1 files changed, 131 insertions, 0 deletions
diff --git a/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/databinding/DelegatingObservableCollection.java b/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/databinding/DelegatingObservableCollection.java
new file mode 100644
index 00000000000..88c1079029b
--- /dev/null
+++ b/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/databinding/DelegatingObservableCollection.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2014 CEA 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:
+ *   Christian W. Damus (CEA) - Initial API and implementation
+ *
+ */
+package org.eclipse.papyrus.infra.tools.databinding;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+
+import org.eclipse.core.databinding.observable.IObservableCollection;
+import org.eclipse.core.databinding.observable.Realm;
+
+
+/**
+ * This is the DelegatingObservableCollection type. Enjoy.
+ */
+public abstract class DelegatingObservableCollection<T extends IObservableCollection> extends DelegatingObservable<T> implements IObservableCollection {
+
+	private static final Object[] EMPTY_ARRAY = {};
+
+	DelegatingObservableCollection(T delegate, Class<T> delegateType) {
+		super(delegate, delegateType);
+	}
+
+	DelegatingObservableCollection(Realm realm, Class<T> delegateType) {
+		super(realm, delegateType);
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		getterCalled();
+
+		return super.equals(obj);
+	}
+
+	@Override
+	public int hashCode() {
+		getterCalled();
+
+		return super.hashCode();
+	}
+
+	public int size() {
+		getterCalled();
+
+		return (getDelegate() == null) ? 0 : getDelegate().size();
+	}
+
+	public boolean isEmpty() {
+		getterCalled();
+
+		return (getDelegate() == null) ? true : getDelegate().isEmpty();
+	}
+
+	public boolean contains(Object o) {
+		getterCalled();
+
+		return (getDelegate() == null) ? false : getDelegate().contains(o);
+	}
+
+	@SuppressWarnings("rawtypes")
+	public Iterator iterator() {
+		getterCalled();
+
+		return (getDelegate() == null) ? Collections.EMPTY_LIST.iterator() : getDelegate().iterator();
+	}
+
+	public Object[] toArray() {
+		getterCalled();
+
+		return (getDelegate() == null) ? EMPTY_ARRAY : getDelegate().toArray();
+	}
+
+	@SuppressWarnings("unchecked")
+	public Object[] toArray(Object[] a) {
+		getterCalled();
+
+		return (getDelegate() == null) ? Collections.EMPTY_LIST.toArray(a) : getDelegate().toArray(a);
+	}
+
+	@SuppressWarnings("unchecked")
+	public boolean add(Object e) {
+		return (getDelegate() == null) ? false : getDelegate().add(e);
+	}
+
+	public boolean remove(Object o) {
+		return (getDelegate() == null) ? false : getDelegate().remove(o);
+	}
+
+	@SuppressWarnings({ "unchecked", "rawtypes" })
+	public boolean containsAll(Collection c) {
+		getterCalled();
+
+		return (getDelegate() == null) ? false : getDelegate().containsAll(c);
+	}
+
+	@SuppressWarnings({ "unchecked", "rawtypes" })
+	public boolean addAll(Collection c) {
+		return (getDelegate() == null) ? false : getDelegate().addAll(c);
+	}
+
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	public boolean removeAll(Collection c) {
+		return (getDelegate() == null) ? false : getDelegate().removeAll(c);
+	}
+
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	public boolean retainAll(Collection c) {
+		return (getDelegate() == null) ? false : getDelegate().retainAll(c);
+	}
+
+	public void clear() {
+		if (getDelegate() != null) {
+			getDelegate().clear();
+		}
+	}
+
+	public Object getElementType() {
+		return (getDelegate() == null) ? null : getDelegate().getElementType();
+	}
+
+}