1 files changed, 0 insertions, 175 deletions
diff --git a/org.eclipse.search/search/org/eclipse/search/internal/ui/ResourceToItemsMapper.java b/org.eclipse.search/search/org/eclipse/search/internal/ui/ResourceToItemsMapper.java
deleted file mode 100644
index 3c5605bca54..00000000000
--- a/org.eclipse.search/search/org/eclipse/search/internal/ui/ResourceToItemsMapper.java
+++ /dev/null
@@ -1,175 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2015 IBM Corporation and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.search.internal.ui;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Stack;
-
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.widgets.Item;
-
-import org.eclipse.core.resources.IResource;
-
-import org.eclipse.jface.viewers.ContentViewer;
-import org.eclipse.jface.viewers.ILabelProvider;
-
-import org.eclipse.search.ui.ISearchResultViewEntry;
-
-/**
- * Helper class for updating error markers and other decorators that work on resources.
- * Items are mapped to their element's underlying resource.
- * Method <code>resourceChanged</code> updates all items that are affected from the changed
- * elements.
- * @deprecated old search
- */
-@Deprecated
-class ResourceToItemsMapper {
-
-	private static final int NUMBER_LIST_REUSE= 10;
-
-	/** map from IResource to {@code Item | List<Item>} **/
-	private HashMap<IResource, Object> fResourceToItem;
-	private Stack<List<Item>> fReuseLists;
-
-	private ContentViewer fContentViewer;
-
-	public ResourceToItemsMapper(ContentViewer viewer) {
-		fResourceToItem= new HashMap<>();
-		fReuseLists= new Stack<>();
-
-		fContentViewer= viewer;
-	}
-
-	/**
-	 * Must be called from the UI thread.
-	 * @param changedResource changed resources
-	 */
-	@SuppressWarnings("unchecked")
-	public void resourceChanged(IResource changedResource) {
-		Object obj= fResourceToItem.get(changedResource);
-		if (obj == null) {
-			// not mapped
-		} else if (obj instanceof Item) {
-			updateItem((Item) obj);
-		} else { // List of Items
-			for (Item element : (List<Item>) obj) {
-				updateItem(element);
-			}
-		}
-	}
-
-	private void updateItem(Item item) {
-		if (!item.isDisposed()) { // defensive code
-			ILabelProvider lprovider= (ILabelProvider) fContentViewer.getLabelProvider();
-
-			Object data= item.getData();
-
-			String oldText= item.getText();
-			String text= lprovider.getText(data);
-			if (text != null && !text.equals(oldText)) {
-				item.setText(text);
-			}
-
-			Image oldImage= item.getImage();
-			Image image= lprovider.getImage(data);
-			if (image != null && !image.equals(oldImage)) {
-				item.setImage(image);
-			}
-		}
-	}
-
-	/**
-	 * Adds a new item to the map.
-	 * @param element Element to map
-	 * @param item The item used for the element
-	 */
-	public void addToMap(Object element, Item item) {
-		IResource resource= ((ISearchResultViewEntry)element).getResource();
-		if (resource != null) {
-			Object existingMapping= fResourceToItem.get(resource);
-			if (existingMapping == null) {
-				fResourceToItem.put(resource, item);
-			} else if (existingMapping instanceof Item) {
-				if (existingMapping != item) {
-					List<Item> list= getNewList();
-					list.add((Item) existingMapping);
-					list.add(item);
-					fResourceToItem.put(resource, list);
-				}
-			} else { // List
-				@SuppressWarnings("unchecked")
-				List<Item> list= (List<Item>) existingMapping;
-				if (!list.contains(item)) {
-					list.add(item);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Removes an element from the map.
-	 * @param element element to remove
-	 * @param item The item used for the element
-	 */
-	@SuppressWarnings("unlikely-arg-type")
-	public void removeFromMap(Object element, Item item) {
-		IResource resource= ((ISearchResultViewEntry)element).getResource();
-		if (resource != null) {
-			Object existingMapping= fResourceToItem.get(resource);
-			if (existingMapping == null) {
-				return;
-			} else if (existingMapping instanceof Item) {
-				fResourceToItem.remove(resource);
-			} else { // List
-				@SuppressWarnings("unchecked")
-				List<Item> list= (List<Item>) existingMapping;
-				list.remove(item);
-				if (list.isEmpty()) {
-					fResourceToItem.remove(list);
-					releaseList(list);
-				}
-			}
-		}
-	}
-
-	private List<Item> getNewList() {
-		if (!fReuseLists.isEmpty()) {
-			return fReuseLists.pop();
-		}
-		return new ArrayList<>(2);
-	}
-
-	private void releaseList(List<Item> list) {
-		if (fReuseLists.size() < NUMBER_LIST_REUSE) {
-			fReuseLists.push(list);
-		}
-	}
-
-	/**
-	 * Clears the map.
-	 */
-	public void clearMap() {
-		fResourceToItem.clear();
-	}
-
-	/**
-	 * Tests if the map is empty
-	 * @return returns if the map is empty
-	 */
-	public boolean isEmpty() {
-		return fResourceToItem.isEmpty();
-	}
-}