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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.index;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
import tools.refinery.viatra.runtime.matchers.util.Direction;
import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
import tools.refinery.viatra.runtime.rete.network.Receiver;
import tools.refinery.viatra.runtime.rete.network.ReteContainer;
import tools.refinery.viatra.runtime.rete.network.communication.Timestamp;
/**
* A generic Indexer capable of indexing along any valid TupleMask. Does not keep track of parents, because will not
* ever pull parents.
*
* @author Gabor Bergmann
*
*/
public class GenericProjectionIndexer extends IndexerWithMemory implements ProjectionIndexer {
public GenericProjectionIndexer(ReteContainer reteContainer, TupleMask mask) {
super(reteContainer, mask);
}
@Override
protected void update(Direction direction, Tuple updateElement, Tuple signature, boolean change,
Timestamp timestamp) {
propagate(direction, updateElement, signature, change, timestamp);
}
@Override
public Collection<Tuple> get(Tuple signature) {
return memory.get(signature);
}
@Override
public Map<Tuple, Timeline<Timestamp>> getTimeline(Tuple signature) {
return memory.getWithTimeline(signature);
}
@Override
public Iterator<Tuple> iterator() {
return memory.iterator();
}
@Override
public Iterable<Tuple> getSignatures() {
return memory.getSignatures();
}
/**
* @since 2.0
*/
@Override
public int getBucketCount() {
return memory.getKeysetSize();
}
@Override
public Receiver getActiveNode() {
return this;
}
}
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