Add JavaDSL code, update gitignore, Add to main doc generation
This commit is contained in:
Mark Pollack
32
.gitignore
vendored
32
.gitignore
vendored
@@ -1,2 +1,34 @@
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*~
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.#*
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*#
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*.sw*
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_site/
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.factorypath
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.gradletasknamecache
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.DS_Store
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.DS_Store
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.checkstyle
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/application.yml
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/application.properties
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asciidoctor.css
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atlassian-ide-plugin.xml
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bin/
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build/
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dump.rdb
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out
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spring-shell.log
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target/
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target/
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test-output
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# Eclipse artifacts, including WTP generated manifests
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.classpath
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.project
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.settings/
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.springBeans
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spring-*/src/main/java/META-INF/MANIFEST.MF
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# IDEA artifacts and output dirs
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*.iml
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*.ipr
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*.iws
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.idea/*
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rebel.xml
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BIN
javadsl/.mvn/wrapper/maven-wrapper.jar
vendored
Normal file
BIN
javadsl/.mvn/wrapper/maven-wrapper.jar
vendored
Normal file
Binary file not shown.
1
javadsl/.mvn/wrapper/maven-wrapper.properties
vendored
Normal file
1
javadsl/.mvn/wrapper/maven-wrapper.properties
vendored
Normal file
@@ -0,0 +1 @@
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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.2/apache-maven-3.5.2-bin.zip
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225
javadsl/mvnw
vendored
Executable file
225
javadsl/mvnw
vendored
Executable file
@@ -0,0 +1,225 @@
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#!/bin/sh
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# ----------------------------------------------------------------------------
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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|
# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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|
# specific language governing permissions and limitations
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||||||
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# under the License.
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# ----------------------------------------------------------------------------
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# ----------------------------------------------------------------------------
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# Maven2 Start Up Batch script
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#
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# Required ENV vars:
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# ------------------
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# JAVA_HOME - location of a JDK home dir
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#
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# Optional ENV vars
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# -----------------
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# M2_HOME - location of maven2's installed home dir
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# MAVEN_OPTS - parameters passed to the Java VM when running Maven
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# e.g. to debug Maven itself, use
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# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
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# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
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# ----------------------------------------------------------------------------
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if [ -z "$MAVEN_SKIP_RC" ] ; then
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if [ -f /etc/mavenrc ] ; then
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. /etc/mavenrc
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fi
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if [ -f "$HOME/.mavenrc" ] ; then
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. "$HOME/.mavenrc"
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fi
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fi
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# OS specific support. $var _must_ be set to either true or false.
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cygwin=false;
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darwin=false;
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mingw=false
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case "`uname`" in
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CYGWIN*) cygwin=true ;;
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MINGW*) mingw=true;;
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Darwin*) darwin=true
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# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
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# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
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if [ -z "$JAVA_HOME" ]; then
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if [ -x "/usr/libexec/java_home" ]; then
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export JAVA_HOME="`/usr/libexec/java_home`"
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else
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export JAVA_HOME="/Library/Java/Home"
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fi
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fi
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;;
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esac
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if [ -z "$JAVA_HOME" ] ; then
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if [ -r /etc/gentoo-release ] ; then
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JAVA_HOME=`java-config --jre-home`
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fi
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fi
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if [ -z "$M2_HOME" ] ; then
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## resolve links - $0 may be a link to maven's home
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PRG="$0"
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# need this for relative symlinks
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while [ -h "$PRG" ] ; do
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ls=`ls -ld "$PRG"`
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link=`expr "$ls" : '.*-> \(.*\)$'`
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if expr "$link" : '/.*' > /dev/null; then
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PRG="$link"
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else
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PRG="`dirname "$PRG"`/$link"
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fi
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done
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saveddir=`pwd`
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M2_HOME=`dirname "$PRG"`/..
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# make it fully qualified
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M2_HOME=`cd "$M2_HOME" && pwd`
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cd "$saveddir"
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# echo Using m2 at $M2_HOME
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fi
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# For Cygwin, ensure paths are in UNIX format before anything is touched
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if $cygwin ; then
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[ -n "$M2_HOME" ] &&
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M2_HOME=`cygpath --unix "$M2_HOME"`
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[ -n "$JAVA_HOME" ] &&
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JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
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[ -n "$CLASSPATH" ] &&
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CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
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|
fi
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# For Migwn, ensure paths are in UNIX format before anything is touched
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if $mingw ; then
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[ -n "$M2_HOME" ] &&
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M2_HOME="`(cd "$M2_HOME"; pwd)`"
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[ -n "$JAVA_HOME" ] &&
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JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
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# TODO classpath?
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fi
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if [ -z "$JAVA_HOME" ]; then
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javaExecutable="`which javac`"
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if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
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# readlink(1) is not available as standard on Solaris 10.
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readLink=`which readlink`
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if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
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if $darwin ; then
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javaHome="`dirname \"$javaExecutable\"`"
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javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
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else
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javaExecutable="`readlink -f \"$javaExecutable\"`"
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fi
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javaHome="`dirname \"$javaExecutable\"`"
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javaHome=`expr "$javaHome" : '\(.*\)/bin'`
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JAVA_HOME="$javaHome"
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export JAVA_HOME
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fi
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fi
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fi
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if [ -z "$JAVACMD" ] ; then
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if [ -n "$JAVA_HOME" ] ; then
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if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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# IBM's JDK on AIX uses strange locations for the executables
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JAVACMD="$JAVA_HOME/jre/sh/java"
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else
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JAVACMD="$JAVA_HOME/bin/java"
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fi
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else
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JAVACMD="`which java`"
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fi
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fi
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if [ ! -x "$JAVACMD" ] ; then
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echo "Error: JAVA_HOME is not defined correctly." >&2
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echo " We cannot execute $JAVACMD" >&2
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exit 1
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fi
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if [ -z "$JAVA_HOME" ] ; then
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echo "Warning: JAVA_HOME environment variable is not set."
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fi
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CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
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# traverses directory structure from process work directory to filesystem root
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# first directory with .mvn subdirectory is considered project base directory
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find_maven_basedir() {
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if [ -z "$1" ]
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|
then
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echo "Path not specified to find_maven_basedir"
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return 1
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|
fi
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|
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basedir="$1"
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wdir="$1"
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while [ "$wdir" != '/' ] ; do
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if [ -d "$wdir"/.mvn ] ; then
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basedir=$wdir
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|
break
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|
fi
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|
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
|
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|
if [ -d "${wdir}" ]; then
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wdir=`cd "$wdir/.."; pwd`
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|
fi
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||||||
|
# end of workaround
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||||||
|
done
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||||||
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echo "${basedir}"
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|
}
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|
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||||||
|
# concatenates all lines of a file
|
||||||
|
concat_lines() {
|
||||||
|
if [ -f "$1" ]; then
|
||||||
|
echo "$(tr -s '\n' ' ' < "$1")"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
BASE_DIR=`find_maven_basedir "$(pwd)"`
|
||||||
|
if [ -z "$BASE_DIR" ]; then
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|
exit 1;
|
||||||
|
fi
|
||||||
|
|
||||||
|
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
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||||||
|
echo $MAVEN_PROJECTBASEDIR
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|
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
|
||||||
|
|
||||||
|
# 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 "$CLASSPATH"`
|
||||||
|
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
|
||||||
|
MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
|
||||||
|
fi
|
||||||
|
|
||||||
|
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
|
||||||
|
|
||||||
|
exec "$JAVACMD" \
|
||||||
|
$MAVEN_OPTS \
|
||||||
|
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
|
||||||
|
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
|
||||||
|
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
|
||||||
143
javadsl/mvnw.cmd
vendored
Normal file
143
javadsl/mvnw.cmd
vendored
Normal file
@@ -0,0 +1,143 @@
|
|||||||
|
@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
|
||||||
|
|
||||||
|
@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="%MAVEN_PROJECTBASEDIR%\.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_CONFIG% %*
|
||||||
|
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%
|
||||||
68
javadsl/pom.xml
Normal file
68
javadsl/pom.xml
Normal file
@@ -0,0 +1,68 @@
|
|||||||
|
<?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>scdfdsl</artifactId>
|
||||||
|
<version>0.0.1-SNAPSHOT</version>
|
||||||
|
<packaging>jar</packaging>
|
||||||
|
|
||||||
|
<name>scdfdsl</name>
|
||||||
|
<description>Demo project for Spring Boot</description>
|
||||||
|
|
||||||
|
|
||||||
|
<parent>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-parent</artifactId>
|
||||||
|
<version>1.5.8.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.cloud</groupId>
|
||||||
|
<artifactId>spring-cloud-dataflow-rest-client</artifactId>
|
||||||
|
<version>1.3.0.BUILD-SNAPSHOT</version>
|
||||||
|
</dependency>
|
||||||
|
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-test</artifactId>
|
||||||
|
<scope>test</scope>
|
||||||
|
</dependency>
|
||||||
|
</dependencies>
|
||||||
|
|
||||||
|
<build>
|
||||||
|
<plugins>
|
||||||
|
<plugin>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||||
|
</plugin>
|
||||||
|
</plugins>
|
||||||
|
</build>
|
||||||
|
|
||||||
|
<repositories>
|
||||||
|
<repository>
|
||||||
|
<id>spring-milestones</id>
|
||||||
|
<name>Spring Milestones</name>
|
||||||
|
<url>http://repo.spring.io/libs-milestone-local</url>
|
||||||
|
<snapshots>
|
||||||
|
<enabled>false</enabled>
|
||||||
|
</snapshots>
|
||||||
|
</repository>
|
||||||
|
</repositories>
|
||||||
|
|
||||||
|
|
||||||
|
</project>
|
||||||
@@ -0,0 +1,142 @@
|
|||||||
|
package com.example.scdfdsl;
|
||||||
|
|
||||||
|
import org.springframework.beans.factory.annotation.Autowired;
|
||||||
|
import org.springframework.boot.ApplicationArguments;
|
||||||
|
import org.springframework.boot.ApplicationRunner;
|
||||||
|
import org.springframework.boot.CommandLineRunner;
|
||||||
|
import org.springframework.boot.SpringApplication;
|
||||||
|
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.DataFlowOperations;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.DataFlowTemplate;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.dsl.Stream;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.dsl.StreamApplication;
|
||||||
|
import org.springframework.context.annotation.Bean;
|
||||||
|
|
||||||
|
import java.net.URI;
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
@SpringBootApplication
|
||||||
|
public class ScdfdslApplication implements ApplicationRunner {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
SpringApplication.run(ScdfdslApplication.class, args);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Autowired
|
||||||
|
private StreamApplication source;
|
||||||
|
|
||||||
|
@Autowired
|
||||||
|
private StreamApplication processor;
|
||||||
|
|
||||||
|
@Autowired
|
||||||
|
private StreamApplication sink;
|
||||||
|
|
||||||
|
// Using @Bean defintions makes it easier to reuse an application in multiple streams
|
||||||
|
@Bean
|
||||||
|
public StreamApplication source() {
|
||||||
|
return new StreamApplication("http").addProperty("server.port", 9900);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public StreamApplication processor() {
|
||||||
|
return new StreamApplication("splitter")
|
||||||
|
.addProperty("producer.partitionKeyExpression", "payload");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public StreamApplication sink() {
|
||||||
|
return new StreamApplication("log")
|
||||||
|
.addDeploymentProperty("count", 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void run(ApplicationArguments applicationArguments) throws Exception {
|
||||||
|
DataFlowOperations dataFlowOperations = createDataFlowOperations(applicationArguments);
|
||||||
|
|
||||||
|
if (applicationArguments.containsOption("style")) {
|
||||||
|
String style = applicationArguments.getOptionValues("style").get(0);
|
||||||
|
if (style.equalsIgnoreCase("definition")) {
|
||||||
|
// DEFINITION STYLE
|
||||||
|
definitionStyle(dataFlowOperations);
|
||||||
|
} else if (style.equalsIgnoreCase("fluent")) {
|
||||||
|
// FLUENT STYLE
|
||||||
|
fluentApplicationSytle(dataFlowOperations);
|
||||||
|
} else {
|
||||||
|
System.out.println("Style [" + style + "] not supported");
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
definitionStyle(dataFlowOperations);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
private void definitionStyle(DataFlowOperations dataFlowOperations) throws InterruptedException {
|
||||||
|
Map<String, String> deploymentProperties = createDeploymentProperties();
|
||||||
|
|
||||||
|
System.out.println("Deploying stream.");
|
||||||
|
|
||||||
|
Stream woodchuck = Stream.builder(dataFlowOperations)
|
||||||
|
.name("woodchuck")
|
||||||
|
.definition(
|
||||||
|
"http --server.port=9900 | splitter --expression=payload.split(' ') | log")
|
||||||
|
.create()
|
||||||
|
.deploy(deploymentProperties);
|
||||||
|
|
||||||
|
waitAndDestroy(woodchuck);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
private void fluentApplicationSytle(DataFlowOperations dataFlowOperations) throws InterruptedException {
|
||||||
|
Map<String, String> deploymentProperties = createDeploymentProperties();
|
||||||
|
|
||||||
|
System.out.println("Deploying stream.");
|
||||||
|
|
||||||
|
Stream woodchuck = Stream.builder(dataFlowOperations).name("woodchuck")
|
||||||
|
.source(source)
|
||||||
|
.processor(processor)
|
||||||
|
.sink(sink)
|
||||||
|
.create()
|
||||||
|
.deploy(deploymentProperties);
|
||||||
|
|
||||||
|
waitAndDestroy(woodchuck);
|
||||||
|
}
|
||||||
|
|
||||||
|
private Map<String, String> createDeploymentProperties() {
|
||||||
|
Map<String, String> deploymentProperties = new HashMap<>();
|
||||||
|
deploymentProperties.put("app.splitter.producer.partitionKeyExpression", "payload");
|
||||||
|
deploymentProperties.put("deployer.log.count", "2");
|
||||||
|
return deploymentProperties;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
private DataFlowOperations createDataFlowOperations(ApplicationArguments applicationArguments) {
|
||||||
|
DataFlowOperations dataFlowOperations;
|
||||||
|
if (applicationArguments.containsOption("uri")) {
|
||||||
|
URI dataFlowUri = URI.create(applicationArguments.getOptionValues("uri").get(0));
|
||||||
|
dataFlowOperations = new DataFlowTemplate(dataFlowUri);
|
||||||
|
} else {
|
||||||
|
dataFlowOperations = new DataFlowTemplate(URI.create("http://localhost:9393"));
|
||||||
|
}
|
||||||
|
|
||||||
|
dataFlowOperations.appRegistryOperations().importFromResource(
|
||||||
|
"http://bit.ly/Celsius-RC1-stream-applications-rabbit-maven", true);
|
||||||
|
return dataFlowOperations;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void waitAndDestroy(Stream woodchuck) throws InterruptedException {
|
||||||
|
while(!woodchuck.getStatus().equals("deployed")){
|
||||||
|
System.out.println("Wating for deployment of stream.");
|
||||||
|
Thread.sleep(5000);
|
||||||
|
}
|
||||||
|
|
||||||
|
System.out.println("Letting the stream run for 2 minutes.");
|
||||||
|
// Let woodchuck run for 2 minutes
|
||||||
|
Thread.sleep(120000);
|
||||||
|
|
||||||
|
System.out.println("Destroying stream");
|
||||||
|
woodchuck.destroy();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
0
javadsl/src/main/resources/application.properties
Normal file
0
javadsl/src/main/resources/application.properties
Normal file
@@ -0,0 +1,44 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2017 the original author or authors.
|
||||||
|
*
|
||||||
|
* Licensed 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.
|
||||||
|
*/
|
||||||
|
package com.example.scdfdsl;
|
||||||
|
|
||||||
|
import org.junit.Test;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.DataFlowOperations;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.DataFlowTemplate;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.dsl.Stream;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.dsl.StreamBuilder;
|
||||||
|
|
||||||
|
import java.net.URI;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @author Mark Pollack
|
||||||
|
*/
|
||||||
|
public class SimpleUsageTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void doNothing() {
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public void doStuff() {
|
||||||
|
URI dataFlowUri = URI.create("http://localhost:9393");
|
||||||
|
DataFlowOperations dataFlowOperations = new DataFlowTemplate(dataFlowUri);
|
||||||
|
StreamBuilder streamBuilder = Stream.builder(dataFlowOperations).name("ticktock").definition("time | log").create();
|
||||||
|
Stream stream = streamBuilder.deploy();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
106
src/main/asciidoc/javadsl/main.adoc
Normal file
106
src/main/asciidoc/javadsl/main.adoc
Normal file
@@ -0,0 +1,106 @@
|
|||||||
|
[[spring-cloud-data-flow-samples-javadsl]]
|
||||||
|
:docs_dir: ../..
|
||||||
|
=== Deploying a stream programmaticaly
|
||||||
|
This sample shows the two usage styles of the Java DSL to create and deploy a stream.
|
||||||
|
You should look in the https://github.com/spring-cloud/spring-cloud-dataflow-samples/tree/master/batch/javadsl/src/main[source code] to get a feel for the different styles.
|
||||||
|
|
||||||
|
1) Build the sample application
|
||||||
|
|
||||||
|
[source,bash]
|
||||||
|
----
|
||||||
|
./mvnw clean package
|
||||||
|
----
|
||||||
|
With no command line options, the application will deploy the stream `http --server.port=9900 | splitter --expression=payload.split(' ') | log` using the URI `http://localhost:9393` to connect to the Data Flow server.
|
||||||
|
There is also a command line option `--style` whose value can be either `definition` or `fluent`.
|
||||||
|
This options picks which JavaDSL style will execute.
|
||||||
|
Both are identical in terms of behavior.
|
||||||
|
The `definition` style has code of the style
|
||||||
|
[source,java,options="nowrap"]
|
||||||
|
----
|
||||||
|
Stream woodchuck = Stream.builder(dataFlowOperations)
|
||||||
|
.name("woodchuck")
|
||||||
|
.definition("http --server.port=9900 | splitter --expression=payload.split(' ') | log")
|
||||||
|
.create()
|
||||||
|
.deploy(deploymentProperties);
|
||||||
|
----
|
||||||
|
while the `fluent` style has code of the style
|
||||||
|
[source,java]
|
||||||
|
----
|
||||||
|
Stream woodchuck = Stream.builder(dataFlowOperations).name("woodchuck")
|
||||||
|
.source(source)
|
||||||
|
.processor(processor)
|
||||||
|
.sink(sink)
|
||||||
|
.create()
|
||||||
|
.deploy(deploymentProperties);
|
||||||
|
----
|
||||||
|
where `source`, `processor`, and `sink` variables were defined as `@Bean`s of the type `StreamApplication`
|
||||||
|
[source,java]
|
||||||
|
----
|
||||||
|
@Bean
|
||||||
|
public StreamApplication source() {
|
||||||
|
return new StreamApplication("http").addProperty("server.port", 9900);
|
||||||
|
}
|
||||||
|
----
|
||||||
|
2) Run a local Data Flow Server and run the sample application.
|
||||||
|
This sample demonstrates the use of the local Data Flow Server, but you can pass in the option `--uri` to point to another Data Flow server instance that is running elsewhere.
|
||||||
|
[source,bash]
|
||||||
|
----
|
||||||
|
$ java -jar target/scdfdsl-0.0.1-SNAPSHOT.jar
|
||||||
|
----
|
||||||
|
You will then see the following output.
|
||||||
|
[source,bash]
|
||||||
|
----
|
||||||
|
Deploying stream.
|
||||||
|
Wating for deployment of stream.
|
||||||
|
Wating for deployment of stream.
|
||||||
|
Wating for deployment of stream.
|
||||||
|
Wating for deployment of stream.
|
||||||
|
Wating for deployment of stream.
|
||||||
|
Letting the stream run for 2 minutes.
|
||||||
|
----
|
||||||
|
To verify that the application has been deployed successfully, will tail the logs of one of the log sinks and post some data to the http source.
|
||||||
|
You can find the location for the logs of one of the log sink applications by looking in the Data Flow server's log file.
|
||||||
|
|
||||||
|
3) Post some data to the server
|
||||||
|
|
||||||
|
```
|
||||||
|
curl http://localhost:9900 -H "Content-Type:text/plain" -X POST -d "how much wood would a woodchuck chuck if a woodchuck could chuck wood"
|
||||||
|
```
|
||||||
|
|
||||||
|
5) Verify the output
|
||||||
|
Tailing the log file of the first instance
|
||||||
|
[source,bash,options="nowrap"]
|
||||||
|
----
|
||||||
|
cd /tmp/spring-cloud-dataflow-4323595028663837160/woodchuck-1511390696355/woodchuck.log
|
||||||
|
tail -f stdout_0.log
|
||||||
|
----
|
||||||
|
[source,bash,options="nowrap"]
|
||||||
|
----
|
||||||
|
2017-11-22 18:04:08.631 INFO 26652 --- [r.woodchuck-0-1] log-sink : how
|
||||||
|
2017-11-22 18:04:08.632 INFO 26652 --- [r.woodchuck-0-1] log-sink : chuck
|
||||||
|
2017-11-22 18:04:08.634 INFO 26652 --- [r.woodchuck-0-1] log-sink : chuck
|
||||||
|
----
|
||||||
|
|
||||||
|
Tailing the log file of the second instance
|
||||||
|
[source,bash,options="nowrap"]
|
||||||
|
----
|
||||||
|
cd /tmp/spring-cloud-dataflow-4323595028663837160/woodchuck-1511390696355/woodchuck.log
|
||||||
|
tail -f stdout_1.log
|
||||||
|
----
|
||||||
|
|
||||||
|
You should see the output
|
||||||
|
[source,bash,options="nowrap"]
|
||||||
|
----
|
||||||
|
$ tail -f stdout_1.log
|
||||||
|
2017-11-22 18:04:08.636 INFO 26655 --- [r.woodchuck-1-1] log-sink : much
|
||||||
|
2017-11-22 18:04:08.638 INFO 26655 --- [r.woodchuck-1-1] log-sink : wood
|
||||||
|
2017-11-22 18:04:08.639 INFO 26655 --- [r.woodchuck-1-1] log-sink : would
|
||||||
|
2017-11-22 18:04:08.640 INFO 26655 --- [r.woodchuck-1-1] log-sink : a
|
||||||
|
2017-11-22 18:04:08.641 INFO 26655 --- [r.woodchuck-1-1] log-sink : woodchuck
|
||||||
|
2017-11-22 18:04:08.642 INFO 26655 --- [r.woodchuck-1-1] log-sink : if
|
||||||
|
2017-11-22 18:04:08.644 INFO 26655 --- [r.woodchuck-1-1] log-sink : a
|
||||||
|
2017-11-22 18:04:08.645 INFO 26655 --- [r.woodchuck-1-1] log-sink : woodchuck
|
||||||
|
2017-11-22 18:04:08.646 INFO 26655 --- [r.woodchuck-1-1] log-sink : could
|
||||||
|
2017-11-22 18:04:08.647 INFO 26655 --- [r.woodchuck-1-1] log-sink : wood
|
||||||
|
----
|
||||||
|
Note that the partitioning is done based on the hash of the `java.lang.String` object.
|
||||||
@@ -2,6 +2,9 @@
|
|||||||
== Overview
|
== Overview
|
||||||
This guide contains samples and demonstrations of how to build data pipelines with https://cloud.spring.io/spring-cloud-dataflow/[Spring Cloud Data Flow].
|
This guide contains samples and demonstrations of how to build data pipelines with https://cloud.spring.io/spring-cloud-dataflow/[Spring Cloud Data Flow].
|
||||||
|
|
||||||
|
== Java DSL
|
||||||
|
include::javadsl/main.adoc[]
|
||||||
|
|
||||||
== Streaming
|
== Streaming
|
||||||
include::streaming/cassandra/http-to-cassandra/main.adoc[]
|
include::streaming/cassandra/http-to-cassandra/main.adoc[]
|
||||||
include::streaming/jdbc/http-mysql/main.adoc[]
|
include::streaming/jdbc/http-mysql/main.adoc[]
|
||||||
|
|||||||
Reference in New Issue
Block a user