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/*******************************************************************************
* Copyright (c) 2004-2008 Gabor Bergmann and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.rete.misc;
import java.util.Collection;
import java.util.LinkedList;
import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
import tools.refinery.viatra.runtime.matchers.util.Direction;
import tools.refinery.viatra.runtime.rete.network.ReteContainer;
import tools.refinery.viatra.runtime.rete.network.communication.Timestamp;
/**
* @author Gabor Bergmann
*
* A bag is a container that tuples can be dumped into. Does NOT propagate updates! Optimized for small contents
* size OR positive updates only.
*/
public class Bag extends SimpleReceiver {
public Collection<Tuple> contents;
public Bag(ReteContainer reteContainer) {
super(reteContainer);
contents = new LinkedList<Tuple>();
}
@Override
public void update(Direction direction, Tuple updateElement, Timestamp timestamp) {
if (direction == Direction.INSERT)
contents.add(updateElement);
else
contents.remove(updateElement);
}
}
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