enable workspace symbol queries to be parameterized with location prefixes and unlimited number of results

headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringSymbolIndex.java

@@ -49,13 +49,13 @@ import org.springframework.ide.vscode.commons.languageserver.util.SimpleWorkspac
 import org.springframework.ide.vscode.commons.util.Futures;
 import org.springframework.ide.vscode.commons.util.StringUtil;
 
-import com.google.common.collect.ImmutableList;
-
 /**
  * @author Martin Lippert
  */
 public class SpringSymbolIndex {
 
+	private static final String QUERY_PARAM_LOCATION_PREFIX = "locationPrefix:";
+
 	private static final int MAX_NUMBER_OF_SYMBOLS_IN_RESPONSE = 50;
 
 	private final SimpleLanguageServer server;
@@ -95,6 +95,7 @@ public class SpringSymbolIndex {
 			deleteProject(project);
 		}
 	};
+
 	private SpringIndexerXML springIndexerXML;
 	private SpringIndexerJava springIndexerJava;
 
@@ -388,9 +389,34 @@ public class SpringSymbolIndex {
 	}
 
 	private List<SymbolInformation> searchMatchingSymbols(List<SymbolInformation> allsymbols, String query, int maxNumberOfSymbolsInResponse) {
+		long limit = maxNumberOfSymbolsInResponse;
+		String locationPrefix = "";
+
+		if (query.startsWith(QUERY_PARAM_LOCATION_PREFIX)) {
+
+			int separatorIndex = query.indexOf("?");
+			if (separatorIndex > 0) {
+				locationPrefix = query.substring(QUERY_PARAM_LOCATION_PREFIX.length(), separatorIndex);
+				query = query.substring(separatorIndex + 1);
+			}
+			else {
+				locationPrefix = query.substring(QUERY_PARAM_LOCATION_PREFIX.length());
+				query = query.substring(QUERY_PARAM_LOCATION_PREFIX.length() + locationPrefix.length());
+			}
+		}
+
+		if (query.startsWith("*")) {
+			limit = Long.MAX_VALUE;
+			query = query.substring(1);
+		}
+
+		String finalQuery = query;
+		String finalLocationPrefix = locationPrefix;
+
 		return allsymbols.stream()
-				.filter(symbol -> StringUtil.containsCharactersCaseInsensitive(symbol.getName(), query))
-				.limit(maxNumberOfSymbolsInResponse)
+				.filter(symbol -> symbol.getLocation().getUri().startsWith(finalLocationPrefix))
+				.filter(symbol -> StringUtil.containsCharactersCaseInsensitive(symbol.getName(), finalQuery))
+				.limit(limit)
 				.collect(Collectors.toList());
 	}
 

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/java/beans/test/SpringIndexerBeansTest.java

@@ -23,7 +23,6 @@ import org.springframework.context.annotation.Import;
 import org.springframework.ide.vscode.boot.app.BootLanguageServerInitializer;
 import org.springframework.ide.vscode.boot.bootiful.BootLanguageServerTest;
 import org.springframework.ide.vscode.boot.bootiful.SymbolProviderTestConf;
-import org.springframework.ide.vscode.boot.java.BootJavaLanguageServerComponents;
 import org.springframework.ide.vscode.boot.java.utils.SpringSymbolIndex;
 import org.springframework.ide.vscode.commons.languageserver.java.JavaProjectFinder;
 import org.springframework.ide.vscode.project.harness.BootLanguageServerHarness;

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/java/utils/test/SpringIndexerMultiProjectTest.java

@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Pivotal, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Pivotal, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.springframework.ide.vscode.boot.java.utils.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.lsp4j.SymbolInformation;
+import org.eclipse.lsp4j.TextDocumentIdentifier;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Import;
+import org.springframework.ide.vscode.boot.bootiful.BootLanguageServerTest;
+import org.springframework.ide.vscode.boot.bootiful.SymbolProviderTestConf;
+import org.springframework.ide.vscode.boot.java.utils.SpringSymbolIndex;
+import org.springframework.ide.vscode.commons.languageserver.java.JavaProjectFinder;
+import org.springframework.ide.vscode.commons.util.UriUtil;
+import org.springframework.ide.vscode.project.harness.BootLanguageServerHarness;
+import org.springframework.ide.vscode.project.harness.ProjectsHarness;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * @author Martin Lippert
+ */
+@RunWith(SpringRunner.class)
+@BootLanguageServerTest
+@Import(SymbolProviderTestConf.class)
+public class SpringIndexerMultiProjectTest {
+
+	@Autowired private BootLanguageServerHarness harness;
+	@Autowired private SpringSymbolIndex indexer;
+	@Autowired private JavaProjectFinder projectFinder;
+
+	private String projectUri1;
+	private String projectUri2;
+
+	@Before
+	public void setup() throws Exception {
+		harness.intialize(null);
+		indexer.configureIndexer(false);
+
+		projectUri1 = UriUtil.toUri(new File(ProjectsHarness.class.getResource("/test-projects/test-annotation-indexing-large-multiproject-1/").toURI())).toString();
+		projectFinder.find(new TextDocumentIdentifier(projectUri1)).get();
+
+		projectUri2 = UriUtil.toUri(new File(ProjectsHarness.class.getResource("/test-projects/test-annotation-indexing-large-multiproject-2").toURI())).toString();
+		projectFinder.find(new TextDocumentIdentifier(projectUri2)).get();
+
+		CompletableFuture<Void> initProject = indexer.waitOperation();
+		initProject.get(5, TimeUnit.SECONDS);
+	}
+
+	@Test
+	public void testQueryingAllSymbolsWithRegularLimit() throws Exception {
+		List<? extends SymbolInformation> symbols = indexer.getAllSymbols("");
+		assertEquals(50, symbols.size());
+	}
+
+	@Test
+	public void testQueryingAllSymbolsWithNoLimit() throws Exception {
+		List<? extends SymbolInformation> symbols = indexer.getAllSymbols("*");
+		assertEquals(220, symbols.size());
+
+		int count1 = 0;
+		int count2 = 0;
+
+		for (SymbolInformation symbol : symbols) {
+			if (symbol.getLocation().getUri().startsWith(projectUri1)) {
+				count1++;
+			}
+			else if (symbol.getLocation().getUri().startsWith(projectUri2)) {
+				count2++;
+			}
+		}
+
+		assertEquals(110, count1);
+		assertEquals(110, count2);
+	}
+
+	@Test
+	public void testQueryingSymbolsForSpecificProjectWithRegularLimit() throws Exception {
+		List<? extends SymbolInformation> symbols = indexer.getAllSymbols("locationPrefix:" + projectUri2);
+		assertEquals(50, symbols.size());
+
+		for (SymbolInformation symbol : symbols) {
+			assertTrue(symbol.getLocation().getUri().startsWith(projectUri2));
+		}
+	}
+
+	@Test
+	public void testQueryingSymbolsForSpecificProjectWithNoLimit() throws Exception {
+		List<? extends SymbolInformation> symbols = indexer.getAllSymbols("locationPrefix:" + projectUri2 + "?*");
+		assertEquals(110, symbols.size());
+
+		for (SymbolInformation symbol : symbols) {
+			assertTrue(symbol.getLocation().getUri().startsWith(projectUri2));
+		}
+	}
+
+	@Test
+	public void testQueryingSymbolsForSpecificProjectWithQuery() throws Exception {
+		List<? extends SymbolInformation> symbols = indexer.getAllSymbols("locationPrefix:" + projectUri2 + "?seventhWowSuperBean");
+		assertEquals(10, symbols.size());
+
+		for (SymbolInformation symbol : symbols) {
+			assertTrue(symbol.getLocation().getUri().startsWith(projectUri2));
+		}
+	}
+
+}

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/java/utils/test/SpringIndexerTest.java

@@ -13,7 +13,6 @@ package org.springframework.ide.vscode.boot.java.utils.test;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 import java.io.File;
@@ -312,6 +311,18 @@ public class SpringIndexerTest {
 		assertTrue(containsSymbol(allSymbols, "@/foo-root-mapping/embedded-foo-mapping-with-root", docUri, 27, 1, 27, 51));
 	}
 
+	@Test
+	public void testDeleteProject() throws Exception {
+		List<? extends SymbolInformation> allSymbols = indexer.getAllSymbols("");
+		assertEquals(7, allSymbols.size());
+
+		CompletableFuture<Void> deleteProject = indexer.deleteProject(project);
+		deleteProject.get(5, TimeUnit.SECONDS);
+
+		allSymbols = indexer.getAllSymbols("");
+		assertEquals(0, allSymbols.size());
+	}
+
 	private boolean containsSymbol(List<? extends SymbolInformation> symbols, String name, String uri) {
 		for (Iterator<? extends SymbolInformation> iterator = symbols.iterator(); iterator.hasNext();) {
 			SymbolInformation symbol = iterator.next();
@@ -344,16 +355,4 @@ public class SpringIndexerTest {
 		return false;
 	}
 
-	@Test
-	public void testDeleteProject() throws Exception {
-		List<? extends SymbolInformation> allSymbols = indexer.getAllSymbols("");
-		assertEquals(7, allSymbols.size());
-
-		CompletableFuture<Void> deleteProject = indexer.deleteProject(project);
-		deleteProject.get(5, TimeUnit.SECONDS);
-
-		allSymbols = indexer.getAllSymbols("");
-		assertEquals(0, allSymbols.size());
-	}
-
 }

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/mvnw

@@ -0,0 +1,233 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+           #
+           # Look for the Apple JDKs first to preserve the existing behaviour, and then look
+           # for the new JDKs provided by Oracle.
+           #
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
+             #
+             # Oracle JDKs
+             #
+             export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=`/usr/libexec/java_home`
+           fi
+           ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Migwn, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  local basedir=$(pwd)
+  local wdir=$(pwd)
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    wdir=$(cd "$wdir/.."; pwd)
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} "$@"

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/mvnw.cmd

@@ -0,0 +1,145 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+set MAVEN_CMD_LINE_ARGS=%*
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+
+set WRAPPER_JAR="".\.mvn\wrapper\maven-wrapper.jar""
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/pom.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.example</groupId>
+	<artifactId>test-annotation-indexing-large-multiproject-1</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+	
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.4.3.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration1.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration1 {
+	
+	@Bean
+	public Object simpleBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object simpleBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration10.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration10 {
+	
+	@Bean
+	public Object tenthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object tenthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration2.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration2 {
+
+	@Bean
+	public Object secondBean1() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object secondBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration3.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration3 {
+	
+	@Bean
+	public Object thirdBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object thirdBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration4.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration4 {
+	
+	@Bean
+	public Object forthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object forthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object forthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration5.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration5 {
+	
+	@Bean
+	public Object fifthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object fifthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration6.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration6 {
+	
+	@Bean
+	public Object sixthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object sixthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration7.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration7 {
+	
+	@Bean
+	public Object seventhBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object seventhBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration8.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration8 {
+	
+	@Bean
+	public Object eigthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object eigthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-1/src/main/java/org/test/SimpleConfiguration9.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration9 {
+	
+	@Bean
+	public Object ninthBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object ninthBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/mvnw

@@ -0,0 +1,233 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+           #
+           # Look for the Apple JDKs first to preserve the existing behaviour, and then look
+           # for the new JDKs provided by Oracle.
+           #
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
+             #
+             # Oracle JDKs
+             #
+             export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=`/usr/libexec/java_home`
+           fi
+           ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Migwn, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  local basedir=$(pwd)
+  local wdir=$(pwd)
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    wdir=$(cd "$wdir/.."; pwd)
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} "$@"

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/mvnw.cmd

@@ -0,0 +1,145 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+set MAVEN_CMD_LINE_ARGS=%*
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+
+set WRAPPER_JAR="".\.mvn\wrapper\maven-wrapper.jar""
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/pom.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.example</groupId>
+	<artifactId>test-annotation-indexing-large-multiproject-2</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+	
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.4.3.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration1.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration1 {
+	
+	@Bean
+	public Object simpleWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object simpleWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object simpleWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration10.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration10 {
+	
+	@Bean
+	public Object tenthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object tenthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object tenthWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration2.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration2 {
+
+	@Bean
+	public Object secondWowSuperBean1() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object secondWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration3.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration3 {
+	
+	@Bean
+	public Object thirdWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object thirdWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object thirdWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration4.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration4 {
+	
+	@Bean
+	public Object forthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object forthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object forthWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration5.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration5 {
+	
+	@Bean
+	public Object fifthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object fifthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object fifthWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration6.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration6 {
+	
+	@Bean
+	public Object sixthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object sixthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object sixthWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration7.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration7 {
+	
+	@Bean
+	public Object seventhWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object seventhWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object seventhWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration8.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration8 {
+	
+	@Bean
+	public Object eigthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object eigthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object eigthWowSuperBean10() {
+		return null;
+	}
+
+}

headless-services/spring-boot-language-server/src/test/resources/test-projects/test-annotation-indexing-large-multiproject-2/src/main/java/org/test/SimpleConfiguration9.java

@@ -0,0 +1,59 @@
+package org.test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SimpleConfiguration9 {
+	
+	@Bean
+	public Object ninthWowSuperBean1() {
+		return null;
+	}
+	
+	@Bean
+	public Object ninthWowSuperBean2() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean3() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean4() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean5() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean6() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean7() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean8() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean9() {
+		return null;
+	}
+
+	@Bean
+	public Object ninthWowSuperBean10() {
+		return null;
+	}
+
+}