1 files changed, 65 insertions, 0 deletions
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/serviceregistry/ShrinkableEntrySetValueCollection.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/serviceregistry/ShrinkableEntrySetValueCollection.java
new file mode 100644
index 000000000..a98fdce71
--- /dev/null
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/serviceregistry/ShrinkableEntrySetValueCollection.java
@@ -0,0 +1,65 @@
+/*******************************************************************************
+ * Copyright (c) 2010 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.osgi.internal.serviceregistry;
+
+import java.util.*;
+
+public class ShrinkableEntrySetValueCollection<E> extends AbstractCollection<E> implements Collection<E> {
+	private final Set<? extends Map.Entry<?, ? extends E>> entrySet;
+
+	public ShrinkableEntrySetValueCollection(Set<? extends Map.Entry<?, ? extends E>> e) {
+		if (e == null) {
+			throw new NullPointerException();
+		}
+		entrySet = e;
+	}
+
+	public void clear() {
+		entrySet.clear();
+	}
+
+	public boolean isEmpty() {
+		return entrySet.isEmpty();
+	}
+
+	public Iterator<E> iterator() {
+		return new ValueIterator<E>(entrySet.iterator());
+	}
+
+	public int size() {
+		return entrySet.size();
+	}
+
+	/**
+	 * Iterator over the values of the entry set.
+	 */
+	static private final class ValueIterator<E> implements Iterator<E> {
+		private final Iterator<? extends Map.Entry<?, ? extends E>> iter;
+
+		ValueIterator(Iterator<? extends Map.Entry<?, ? extends E>> i) {
+			iter = i;
+		}
+
+		public boolean hasNext() {
+			return iter.hasNext();
+		}
+
+		public E next() {
+			final Map.Entry<?, ? extends E> entry = iter.next();
+			return entry.getValue();
+		}
+
+		public void remove() {
+			iter.remove();
+		}
+	}
+}