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/*
* 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();
}
}
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