/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.entities.mapper.relation.lazy.proxy;
import java.io.Serializable;
import java.util.Collection;
import java.util.Iterator;
import org.hibernate.envers.entities.mapper.relation.lazy.initializor.Initializor;
/**
* @author Adam Warski (adam at warski dot org)
*/
public abstract class CollectionProxy<U, T extends Collection<U>> implements Collection<U>, Serializable {
private static final long serialVersionUID = 8698249863871832402L;
private transient org.hibernate.envers.entities.mapper.relation.lazy.initializor.Initializor<T> initializor;
protected T delegate;
protected CollectionProxy() {
}
public CollectionProxy(Initializor<T> initializor) {
this.initializor = initializor;
}
protected void checkInit() {
if (delegate == null) {
delegate = initializor.initialize();
}
}
public int size() {
checkInit();
return delegate.size();
}
public boolean isEmpty() {
checkInit();
return delegate.isEmpty();
}
public boolean contains(Object o) {
checkInit();
return delegate.contains(o);
}
public Iterator<U> iterator() {
checkInit();
return delegate.iterator();
}
public Object[] toArray() {
checkInit();
return delegate.toArray();
}
public <V> V[] toArray(V[] a) {
checkInit();
return delegate.toArray(a);
}
public boolean add(U o) {
checkInit();
return delegate.add(o);
}
public boolean remove(Object o) {
checkInit();
return delegate.remove(o);
}
public boolean containsAll(Collection<?> c) {
checkInit();
return delegate.containsAll(c);
}
public boolean addAll(Collection<? extends U> c) {
checkInit();
return delegate.addAll(c);
}
public boolean removeAll(Collection<?> c) {
checkInit();
return delegate.removeAll(c);
}
public boolean retainAll(Collection<?> c) {
checkInit();
return delegate.retainAll(c);
}
public void clear() {
checkInit();
delegate.clear();
}
@Override
public String toString() {
checkInit();
return delegate.toString();
}
@SuppressWarnings({"EqualsWhichDoesntCheckParameterClass"})
@Override
public boolean equals(Object obj) {
checkInit();
return delegate.equals(obj);
}
@Override
public int hashCode() {
checkInit();
return delegate.hashCode();
}
}