GH-1425: groundwork to allow nested beans in internal index structure

headless-services/commons/commons-lsp-extensions/src/main/java/org/springframework/ide/vscode/commons/protocol/spring/AbstractSpringIndexElement.java

@@ -10,19 +10,39 @@
  *******************************************************************************/
 package org.springframework.ide.vscode.commons.protocol.spring;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public abstract class AbstractSpringIndexElement implements SpringIndexElement {
 	
-	public static final SpringIndexElement[] NO_CHILDREN = new SpringIndexElement[0];
-	
-	private final SpringIndexElement[] children;
+	public static final List<SpringIndexElement> NO_CHILDREN = List.of();
+	private List<SpringIndexElement> children;
 
-	public AbstractSpringIndexElement(SpringIndexElement[] children) {
-		this.children = children != null ? children : NO_CHILDREN;
+	public AbstractSpringIndexElement() {
+		this.children = NO_CHILDREN;
 	}
 
 	@Override
-	public SpringIndexElement[] getChildren() {
+	public List<SpringIndexElement> getChildren() {
 		return children;
 	}
+	
+	public void addChild(SpringIndexElement child) {
+		if (children == NO_CHILDREN) {
+			children = new ArrayList<>();
+		}
+
+		this.children.add(child);
+	}
+	
+	public void removeChild(SpringIndexElement doc) {
+		boolean removed = this.children.remove(doc);
+		
+		if (removed && this.children.size() == 0) {
+			this.children = NO_CHILDREN;
+		}
+	}
+
+
 
 }

headless-services/commons/commons-lsp-extensions/src/main/java/org/springframework/ide/vscode/commons/protocol/spring/Bean.java

@@ -33,11 +33,8 @@ public class Bean extends AbstractSpringIndexElement {
 			InjectionPoint[] injectionPoints,
 			Set<String> supertypes,
 			AnnotationMetadata[] annotations,
-			boolean isConfiguration,
-			SpringIndexElement[] children) {
+			boolean isConfiguration) {
 		
-		super(children);
-
 		this.name = name;
 		this.type = type;
 		this.location = location;
@@ -68,18 +65,6 @@ public class Bean extends AbstractSpringIndexElement {
 		}
 	}
 	
-	public Bean(
-			String name,
-			String type,
-			Location location,
-			InjectionPoint[] injectionPoints,
-			Set<String> supertypes,
-			AnnotationMetadata[] annotations,
-			boolean isConfiguration) {
-		this(name, type, location, injectionPoints, supertypes, annotations, isConfiguration, AbstractSpringIndexElement.NO_CHILDREN);
-	}
-
-	
 	public String getName() {
 		return name;
 	}

headless-services/commons/commons-lsp-extensions/src/main/java/org/springframework/ide/vscode/commons/protocol/spring/DocumentElement.java

@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Broadcom
+ * 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
+ * https://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Broadcom - initial API and implementation
+ *******************************************************************************/
+package org.springframework.ide.vscode.commons.protocol.spring;
+
+public class DocumentElement extends AbstractSpringIndexElement {
+
+	private final String docURI;
+
+	public DocumentElement(String docURI) {
+		this.docURI = docURI;
+	}
+	
+	public String getDocURI() {
+		return docURI;
+	}
+
+}

headless-services/commons/commons-lsp-extensions/src/main/java/org/springframework/ide/vscode/commons/protocol/spring/ProjectElement.java

@@ -0,0 +1,39 @@
+/*******************************************************************************
+ * Copyright (c) 2025 Broadcom
+ * 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
+ * https://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Broadcom - initial API and implementation
+ *******************************************************************************/
+package org.springframework.ide.vscode.commons.protocol.spring;
+
+import java.util.Iterator;
+import java.util.List;
+
+public class ProjectElement extends AbstractSpringIndexElement {
+
+	private String projectName;
+
+	public ProjectElement(String projectName) {
+		this.projectName = projectName;
+	}
+	
+	public String getProjectName() {
+		return projectName;
+	}
+
+	public void removeDocument(String docURI) {
+		List<SpringIndexElement> children = this.getChildren();
+		
+		for (Iterator<SpringIndexElement> iterator = children.iterator(); iterator.hasNext();) {
+			SpringIndexElement springIndexElement = (SpringIndexElement) iterator.next();
+			if (springIndexElement instanceof DocumentElement doc && doc.getDocURI().equals(docURI)) {
+				iterator.remove();
+			}
+		}
+	}
+
+}

headless-services/commons/commons-lsp-extensions/src/main/java/org/springframework/ide/vscode/commons/protocol/spring/SpringIndexElement.java

@@ -10,8 +10,10 @@
  *******************************************************************************/
 package org.springframework.ide.vscode.commons.protocol.spring;
 
+import java.util.List;
+
 public interface SpringIndexElement {
 	
-	SpringIndexElement[] getChildren();
+	List<SpringIndexElement> getChildren();
 	
 }