AbstractNetworkNodeVisitor.java

/**
 * 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;

public abstract class AbstractNetworkNodeVisitor
    implements
    NetworkNodeVisitor {
    
    protected AbstractNetworkNodeVisitor() {
    }

    public void visit(NetworkNode node,
                      Stack<NetworkNode> nodeStack,
                      StatefulKnowledgeSessionInfo info) {
        info.info( this.getClass().getSimpleName() + " - Visiting "+node );
        DefaultNodeInfo dni = new DefaultNodeInfo( node );
        info.addNodeInfo( node,
                          dni );
        doVisit( node,
                 nodeStack,
                 info );
    }

    protected abstract void doVisit(NetworkNode node,
                                    Stack<NetworkNode> nodeStack,
                                    StatefulKnowledgeSessionInfo info);

}