1 files changed, 0 insertions, 448 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeCollectionValueModel.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeCollectionValueModel.java
deleted file mode 100644
index 72f16a3344..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeCollectionValueModel.java
+++ /dev/null
@@ -1,448 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2009 Oracle. 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:
- *     Oracle - initial API and implementation
- ******************************************************************************/
-package org.eclipse.jpt.common.utility.internal.model.value;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.IdentityHashMap;
-import java.util.Iterator;
-import java.util.List;
-
-import org.eclipse.jpt.common.utility.internal.CollectionTools;
-import org.eclipse.jpt.common.utility.internal.NullList;
-import org.eclipse.jpt.common.utility.internal.StringTools;
-import org.eclipse.jpt.common.utility.internal.Transformer;
-import org.eclipse.jpt.common.utility.internal.iterators.CompositeIterator;
-import org.eclipse.jpt.common.utility.internal.iterators.TransformationIterator;
-import org.eclipse.jpt.common.utility.model.event.CollectionAddEvent;
-import org.eclipse.jpt.common.utility.model.event.CollectionChangeEvent;
-import org.eclipse.jpt.common.utility.model.event.CollectionClearEvent;
-import org.eclipse.jpt.common.utility.model.event.CollectionEvent;
-import org.eclipse.jpt.common.utility.model.event.CollectionRemoveEvent;
-import org.eclipse.jpt.common.utility.model.listener.CollectionChangeListener;
-import org.eclipse.jpt.common.utility.model.value.CollectionValueModel;
-import org.eclipse.jpt.common.utility.model.value.ListValueModel;
-
-/**
- * A <code>CompositeCollectionValueModel</code> wraps another
- * {@link CollectionValueModel} and uses a {@link Transformer}
- * to convert each item in the wrapped collection to yet another
- * {@link CollectionValueModel}. This composite collection contains
- * the combined items from all these component collections.
- * <p>
- * <strong>NB:</strong> The wrapped collection must be an "identity set" that does not
- * contain the same item twice or this class will throw an exception.
- * <p>
- * Terminology:<ul>
- * <li><em>sources</em> - the items in the wrapped collection value model; these
- *    are converted into component CVMs by the transformer
- * <li><em>component CVMs</em> - the component collection value models that are combined
- *    by this composite collection value model
- * <li><em>items</em> - the items held by the component CVMs
- * </ul>
- */
-public class CompositeCollectionValueModel<E1, E2>
-	extends CollectionValueModelWrapper<E1>
-	implements CollectionValueModel<E2>
-{
-	/**
-	 * This is the (optional) user-supplied object that transforms
-	 * the items in the wrapped collection to collection value models.
-	 */
-	private final Transformer<E1, CollectionValueModel<E2>> transformer;
-
-	/**
-	 * Cache of the component collection value models that
-	 * were generated by the transformer; keyed by the item
-	 * in the wrapped collection that was passed to the transformer.
-	 */
-	private final IdentityHashMap<E1, CollectionValueModel<E2>> componentCVMs =
-			new IdentityHashMap<E1, CollectionValueModel<E2>>();
-
-	/**
-	 * Cache of the collections corresponding to the component
-	 * collection value models above; keyed by the component
-	 * collection value models.
-	 * Use {@link ArrayList}s so we can use {@link ArrayList}-specific methods
-	 * (e.g. {@link ArrayList#clone()} and {@link ArrayList#ensureCapacity(int)}).
-	 */
-	private final IdentityHashMap<CollectionValueModel<E2>, ArrayList<E2>> collections =
-			new IdentityHashMap<CollectionValueModel<E2>, ArrayList<E2>>();
-
-	/** Listener that listens to all the component collection value models. */
-	private final CollectionChangeListener componentCVMListener;
-
-	/** Cache the size of the composite collection. */
-	private int size;
-
-
-	// ********** constructors **********
-
-	/**
-	 * Construct a collection value model with the specified wrapped
-	 * collection value model. Use this constructor if<ul>
-	 * <li> the wrapped collection value model already contains other
-	 *       collection value models, or
-	 * <li> you want to override {@link #transform(E1)}
-	 *       instead of building a {@link Transformer}
-	 * </ul>
-	 */
-	public CompositeCollectionValueModel(CollectionValueModel<? extends E1> collectionHolder) {
-		this(collectionHolder, Transformer.Null.<E1, CollectionValueModel<E2>>instance());
-	}
-
-	/**
-	 * Construct a collection value model with the specified wrapped
-	 * collection value model and transformer.
-	 */
-	public CompositeCollectionValueModel(CollectionValueModel<? extends E1> collectionHolder, Transformer<E1, CollectionValueModel<E2>> transformer) {
-		super(collectionHolder);
-		this.transformer = transformer;
-		this.componentCVMListener = this.buildComponentListener();
-		this.size = 0;
-	}
-
-	/**
-	 * Construct a collection value model with the specified wrapped
-	 * list value model. Use this constructor if<ul>
-	 * <li> the wrapped collection value model already contains other
-	 *       collection value models, or
-	 * <li> you want to override {@link #transform(E1)}
-	 *       instead of building a {@link Transformer}
-	 * </ul>
-	 */
-	public CompositeCollectionValueModel(ListValueModel<? extends E1> listHolder) {
-		this(new ListCollectionValueModelAdapter<E1>(listHolder));
-	}
-
-	/**
-	 * Construct a collection value model with the specified wrapped
-	 * list value model and transformer.
-	 */
-	public CompositeCollectionValueModel(ListValueModel<? extends E1> listHolder, Transformer<E1, CollectionValueModel<E2>> transformer) {
-		this(new ListCollectionValueModelAdapter<E1>(listHolder), transformer);
-	}
-
-	/**
-	 * Construct a collection value model with the specified, unchanging, wrapped
-	 * collection. Use this constructor if<ul>
-	 * <li> the wrapped collection value model already contains other
-	 *       collection value models, or
-	 * <li> you want to override {@link #transform(E1)}
-	 *       instead of building a {@link Transformer}
-	 * </ul>
-	 */
-	public CompositeCollectionValueModel(Collection<? extends E1> collection) {
-		this(new StaticCollectionValueModel<E1>(collection));
-	}
-
-	/**
-	 * Construct a collection value model with the specified, unchanging, wrapped
-	 * collection and transformer.
-	 */
-	public CompositeCollectionValueModel(Collection<? extends E1> collection, Transformer<E1, CollectionValueModel<E2>> transformer) {
-		this(new StaticCollectionValueModel<E1>(collection), transformer);
-	}
-
-	/**
-	 * Construct a collection value model with the specified, unchanging, wrapped
-	 * collection. Use this constructor if<ul>
-	 * <li> the wrapped collection value model already contains other
-	 *       collection value models, or
-	 * <li> you want to override {@link #transform(E1)}
-	 *       instead of building a {@link Transformer}
-	 * </ul>
-	 */
-	public CompositeCollectionValueModel(E1... collection) {
-		this(new StaticCollectionValueModel<E1>(collection));
-	}
-
-	/**
-	 * Construct a collection value model with the specified, unchanging, wrapped
-	 * collection and transformer.
-	 */
-	public CompositeCollectionValueModel(E1[] collection, Transformer<E1, CollectionValueModel<E2>> transformer) {
-		this(new StaticCollectionValueModel<E1>(collection), transformer);
-	}
-
-
-	// ********** initialization **********
-
-	protected CollectionChangeListener buildComponentListener() {
-		return new CollectionChangeListener() {
-			public void itemsAdded(CollectionAddEvent event) {
-				CompositeCollectionValueModel.this.componentItemsAdded(event);
-			}		
-			public void itemsRemoved(CollectionRemoveEvent event) {
-				CompositeCollectionValueModel.this.componentItemsRemoved(event);
-			}
-			public void collectionCleared(CollectionClearEvent event) {
-				CompositeCollectionValueModel.this.componentCollectionCleared(event);
-			}
-			public void collectionChanged(CollectionChangeEvent event) {
-				CompositeCollectionValueModel.this.componentCollectionChanged(event);
-			}
-			@Override
-			public String toString() {
-				return "component listener"; //$NON-NLS-1$
-			}
-		};
-	}
-
-
-	// ********** CollectionValueModel implementation **********
-
-	public Iterator<E2> iterator() {
-		return new CompositeIterator<E2>(this.buildCollectionsIterators());
-	}
-
-	protected Iterator<Iterator<E2>> buildCollectionsIterators() {
-		return new TransformationIterator<ArrayList<E2>, Iterator<E2>>(this.collections.values().iterator()) {
-			@Override
-			protected Iterator<E2> transform(ArrayList<E2> next) {
-				return next.iterator();
-			}
-		};
-	}
-
-	public int size() {
-		return this.size;
-	}
-
-
-	// ********** CollectionValueModelWrapper overrides/implementation **********
-
-	@Override
-	protected void engageModel() {
-		super.engageModel();
-		// synch our cache *after* we start listening to the wrapped collection,
-		// since its value might change when a listener is added
-		this.addAllComponentSources();
-	}
-
-	/**
-	 * Transform all the sources to collection value models
-	 * and add their items to our cache, with no event notification.
-	 */
-	protected void addAllComponentSources() {
-		for (E1 source : this.collectionHolder) {
-			this.addComponentSource(source, NullList.<E2>instance());
-		}
-	}
-
-	@Override
-	protected void disengageModel() {
-		super.disengageModel();
-		// stop listening to the components...
-		for (CollectionValueModel<E2> componentCVM : this.componentCVMs.values()) {
-			componentCVM.removeCollectionChangeListener(VALUES, this.componentCVMListener);
-		}
-		// ...and clear the cache
-		this.componentCVMs.clear();
-		this.collections.clear();
-		this.size = 0;
-	}
-
-	/**
-	 * Some component sources were added;
-	 * add their corresponding items to our cache.
-	 */
-	@Override
-	protected void itemsAdded(CollectionAddEvent event) {
-		ArrayList<E2> addedItems = new ArrayList<E2>();
-		for (E1 item : this.getItems(event)) {
-			this.addComponentSource(item, addedItems);
-		}
-		this.fireItemsAdded(VALUES, addedItems);
-	}
-
-	/**
-	 * Transform the specified source to a collection value model
-	 * and add its items to our cache and the "collecting parameter".
-	 */
-	protected void addComponentSource(E1 source, List<E2> addedItems) {
-		CollectionValueModel<E2> componentCVM = this.transform(source);
-		if (this.componentCVMs.put(source, componentCVM) != null) {
-			throw new IllegalStateException("duplicate component: " + source); //$NON-NLS-1$
-		}
-		componentCVM.addCollectionChangeListener(VALUES, this.componentCVMListener);
-		ArrayList<E2> componentCollection = new ArrayList<E2>(componentCVM.size());
-		if (this.collections.put(componentCVM, componentCollection) != null) {
-			throw new IllegalStateException("duplicate collection: " + source); //$NON-NLS-1$
-		}
-		this.addComponentItems(componentCVM, componentCollection);
-		addedItems.addAll(componentCollection);
-	}
-
-	/**
-	 * Add the items in the specified component CVM to the specified component
-	 * collection.
-	 */
-	protected void addComponentItems(CollectionValueModel<E2> componentCVM, ArrayList<E2> componentCollection) {
-		int itemsSize = componentCVM.size();
-		this.size += itemsSize;
-		componentCollection.ensureCapacity(componentCollection.size() + itemsSize);
-		CollectionTools.addAll(componentCollection, componentCVM);
-	}
-
-	/**
-	 * Some component sources were removed;
-	 * remove their corresponding items from our cache.
-	 */
-	@Override
-	protected void itemsRemoved(CollectionRemoveEvent event) {
-		ArrayList<E2> removedItems = new ArrayList<E2>();
-		for (E1 item : this.getItems(event)) {
-			this.removeComponentSource(item, removedItems);
-		}
-		this.fireItemsRemoved(VALUES, removedItems);
-	}
-
-	/**
-	 * Remove the items corresponding to the specified source
-	 * from our cache.
-	 */
-	protected void removeComponentSource(E1 source, List<E2> removedItems) {
-		CollectionValueModel<E2> componentCVM = this.componentCVMs.remove(source);
-		if (componentCVM == null) {
-			throw new IllegalStateException("missing component: " + source); //$NON-NLS-1$
-		}
-		componentCVM.removeCollectionChangeListener(VALUES, this.componentCVMListener);
-		ArrayList<E2> componentCollection = this.collections.remove(componentCVM);
-		if (componentCollection == null) {
-			throw new IllegalStateException("missing collection: " + source); //$NON-NLS-1$
-		}
-		removedItems.addAll(componentCollection);
-		this.removeComponentItems(componentCollection);
-	}
-
-	/**
-	 * Update our size and collection cache.
-	 */
-	protected void removeComponentItems(ArrayList<E2> componentCollection) {
-		this.size -= componentCollection.size();
-		componentCollection.clear();
-	}
-
-	/**
-	 * The component sources cleared;
-	 * clear our cache.
-	 */
-	@Override
-	protected void collectionCleared(CollectionClearEvent event) {
-		this.removeAllComponentSources();
-		this.fireCollectionCleared(VALUES);
-	}
-
-	protected void removeAllComponentSources() {
-		// copy the keys so we don't eat our own tail
-		ArrayList<E1> copy = new ArrayList<E1>(this.componentCVMs.keySet());
-		for (E1 source : copy) {
-			this.removeComponentSource(source, NullList.<E2>instance());
-		}
-	}
-
-	/**
-	 * The component sources changed;
-	 * rebuild our cache.
-	 */
-	@Override
-	protected void collectionChanged(CollectionChangeEvent event) {
-		this.removeAllComponentSources();
-		this.addAllComponentSources();
-		this.fireCollectionChanged(VALUES, CollectionTools.collection(this.iterator()));
-	}
-
-
-	// ********** internal methods **********
-
-	/**
-	 * Transform the specified object into a collection value model.
-	 * <p>
-	 * This method can be overridden by a subclass as an
-	 * alternative to building a {@link Transformer}.
-	 */
-	protected CollectionValueModel<E2> transform(E1 value) {
-		return this.transformer.transform(value);
-	}
-
-	/**
-	 * One of the component collections had items added;
-	 * synchronize our caches.
-	 */
-	protected void componentItemsAdded(CollectionAddEvent event) {
-		int itemsSize = event.getItemsSize();
-		this.size += itemsSize;
-
-		ArrayList<E2> componentCollection = this.collections.get(this.componentCVM(event));
-		componentCollection.ensureCapacity(componentCollection.size() + itemsSize);
-
-		this.addItemsToCollection(this.getComponentItems(event), componentCollection, VALUES);
-	}
-
-	/**
-	 * One of the component collections had items removed;
-	 * synchronize our caches.
-	 */
-	protected void componentItemsRemoved(CollectionRemoveEvent event) {
-		this.size -= event.getItemsSize();
-		ArrayList<E2> componentCollection = this.collections.get(this.componentCVM(event));
-		this.removeItemsFromCollection(this.getComponentItems(event), componentCollection, VALUES);
-	}
-
-	/**
-	 * One of the component collections was cleared;
-	 * synchronize our caches by clearing out the appropriate
-	 * collection.
-	 */
-	protected void componentCollectionCleared(CollectionClearEvent event) {
-		ArrayList<E2> componentCollection = this.collections.get(this.componentCVM(event));
-		ArrayList<E2> removedItems = new ArrayList<E2>(componentCollection);
-		this.removeComponentItems(componentCollection);
-		this.fireItemsRemoved(VALUES, removedItems);
-	}
-
-	/**
-	 * One of the component collections changed;
-	 * synchronize our caches by clearing out the appropriate
-	 * collection and then rebuilding it.
-	 */
-	protected void componentCollectionChanged(CollectionChangeEvent event) {
-		CollectionValueModel<E2> componentCVM = this.componentCVM(event);
-		ArrayList<E2> componentCollection = this.collections.get(componentCVM);
-		this.removeComponentItems(componentCollection);
-		this.addComponentItems(componentCVM, componentCollection);
-		this.fireCollectionChanged(VALUES, CollectionTools.collection(this.iterator()));
-	}
-
-	// minimize scope of suppressed warnings
-	@SuppressWarnings("unchecked")
-	protected Iterable<E2> getComponentItems(CollectionAddEvent event) {
-		return (Iterable<E2>) event.getItems();
-	}
-
-	// minimize scope of suppressed warnings
-	@SuppressWarnings("unchecked")
-	protected Iterable<E2> getComponentItems(CollectionRemoveEvent event) {
-		return (Iterable<E2>) event.getItems();
-	}
-
-	// minimize scope of suppressed warnings
-	@SuppressWarnings("unchecked")
-	protected CollectionValueModel<E2> componentCVM(CollectionEvent event) {
-		return (CollectionValueModel<E2>) event.getSource();
-	}
-
-	@Override
-	public void toString(StringBuilder sb) {
-		StringTools.append(sb, this);
-	}
-
-}