/*
* #%L
* gitools-core
* %%
* Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
package org.gitools.heatmap;
import com.google.common.collect.ForwardingSet;
import java.util.Collection;
import java.util.Set;
public abstract class ObservableSet<T> extends ForwardingSet<T> {
private Set<T> innerSet;
public ObservableSet(Set<T> innerSet) {
this.innerSet = innerSet;
}
@Override
protected Set<T> delegate() {
return innerSet;
}
@Override
public boolean add(T element) {
return fire(delegate().add(element));
}
@Override
public boolean addAll(Collection<? extends T> collection) {
return fire(delegate().addAll(collection));
}
@Override
public void clear() {
delegate().clear();
fire();
}
@Override
public boolean remove(Object object) {
return fire(delegate().remove(object));
}
@Override
public boolean removeAll(Collection<?> collection) {
return fire(delegate().removeAll(collection));
}
@Override
public boolean retainAll(Collection<?> collection) {
return fire(delegate().retainAll(collection));
}
private <T> T fire(T result) {
fire();
return result;
}
protected abstract void fire();
}