/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 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.util.debug;
import java.util.LinkedList;
import java.util.Stack;
import org.drools.common.NetworkNode;
import org.drools.reteoo.QueryTerminalNode;
import org.drools.rule.Rule;
public class QueryTerminalNodeVisitor extends AbstractNetworkNodeVisitor {
public static final QueryTerminalNodeVisitor INSTANCE = new QueryTerminalNodeVisitor();
protected QueryTerminalNodeVisitor() {
}
@Override
protected void doVisit(NetworkNode node,
Stack<NetworkNode> nodeStack,
StatefulKnowledgeSessionInfo info) {
QueryTerminalNode rtn = (QueryTerminalNode) node;
Rule rule = rtn.getRule();
// first thing, associate all nodes belonging to this rule
for( NetworkNode snode : nodeStack ) {
info.assign( snode, rule );
}
// Query Terminal Nodes no longer have memory
// TODO delete this
// final LinkedList<?> memory = (LinkedList<?>) info.getSession().getNodeMemory( rtn );
// final DefaultNodeInfo ni = (DefaultNodeInfo) info.getNodeInfo( node );
// ni.setMemoryEnabled( true );
// ni.setTupleMemorySize( memory.size() );
}
}