org.drools.core.reteoo.NodeSet Maven / Gradle / Ivy
/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.core.reteoo;
import org.drools.core.common.BaseNode;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
public class NodeSet implements Iterable {
private final List nodes = new ArrayList();
private final Set nodeIds = new HashSet();
public List getNodes() {
return nodes;
}
public boolean add(BaseNode node) {
if (nodeIds.add(node.getId())) {
nodes.add(node);
return true;
}
return false;
}
public Iterator iterator() {
return nodes.iterator();
}
public boolean contains(BaseNode node) {
return nodeIds.contains(node.getId());
}
}