/*
* 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.Stack;
import org.drools.common.NetworkNode;
import org.drools.core.util.FastIterator;
import org.drools.reteoo.AccumulateNode;
import org.drools.reteoo.AccumulateNode.AccumulateContext;
import org.drools.reteoo.AccumulateNode.AccumulateMemory;
import org.drools.reteoo.BetaNode;
import org.drools.reteoo.LeftTuple;
public class AccumulateNodeVisitor extends AbstractNetworkNodeVisitor {
public static final AccumulateNodeVisitor INSTANCE = new AccumulateNodeVisitor();
protected AccumulateNodeVisitor() {
}
@Override
protected void doVisit(NetworkNode node,
Stack<NetworkNode> nodeStack,
StatefulKnowledgeSessionInfo info) {
AccumulateNode an = (AccumulateNode) node;
DefaultNodeInfo ni = (DefaultNodeInfo) info.getNodeInfo( node );
final AccumulateMemory memory = (AccumulateMemory) info.getSession().getNodeMemory( an );
ni.setMemoryEnabled( true );
if( an.isObjectMemoryEnabled() ) {
ni.setFactMemorySize( memory.betaMemory.getRightTupleMemory().size() );
}
if( an.isLeftTupleMemoryEnabled() ) {
ni.setTupleMemorySize( memory.betaMemory.getLeftTupleMemory().size() );
FastIterator it = memory.betaMemory.getLeftTupleMemory().fullFastIterator();
int i = 0;
for ( LeftTuple leftTuple = BetaNode.getFirstLeftTuple( memory.betaMemory.getLeftTupleMemory(), it ); leftTuple != null; leftTuple = ( LeftTuple) it.next( leftTuple )) {
AccumulateContext ctx = (AccumulateContext) leftTuple.getObject();
if ( ctx != null && ctx.result != null ) {
i++;
}
}
ni.setCreatedFactHandles( i );
}
}
}