abstractbpelvisitor.java

ejb3 java session bean

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the JBPM BPEL PUBLIC LICENSE AGREEMENT as
 * published by JBoss Inc.; either version 1.0 of the License, or
 * (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */
package org.jbpm.bpel.graph.def;

import java.util.List;

import org.jbpm.bpel.graph.basic.Assign;
import org.jbpm.bpel.graph.basic.Empty;
import org.jbpm.bpel.graph.basic.Exit;
import org.jbpm.bpel.graph.basic.Invoke;
import org.jbpm.bpel.graph.basic.Receive;
import org.jbpm.bpel.graph.basic.Reply;
import org.jbpm.bpel.graph.basic.Rethrow;
import org.jbpm.bpel.graph.basic.Throw;
import org.jbpm.bpel.graph.basic.Validate;
import org.jbpm.bpel.graph.basic.Wait;
import org.jbpm.bpel.graph.scope.Compensate;
import org.jbpm.bpel.graph.scope.CompensateScope;
import org.jbpm.bpel.graph.scope.Scope;
import org.jbpm.bpel.graph.struct.Flow;
import org.jbpm.bpel.graph.struct.If;
import org.jbpm.bpel.graph.struct.Pick;
import org.jbpm.bpel.graph.struct.RepeatUntil;
import org.jbpm.bpel.graph.struct.Sequence;
import org.jbpm.bpel.graph.struct.StructuredActivity;
import org.jbpm.bpel.graph.struct.While;

/**
 * @author Juan Cantu
 * @version $Revision: 1.2 $ $Date: 2008/01/30 08:15:33 $
 */
public class AbstractBpelVisitor implements BpelVisitor {

  public void visit(BpelProcessDefinition process) {
    visit(process.getGlobalScope());
  }

  public void visit(Empty empty) {
  }

  public void visit(Receive receive) {
  }

  public void visit(Reply reply) {
  }

  public void visit(Invoke invoke) {
  }

  public void visit(Assign assign) {
  }

  public void visit(Throw _throw) {
  }

  public void visit(Exit exit) {
  }

  public void visit(Wait wait) {
  }

  public void visit(Sequence sequence) {
    propagate(sequence);
  }

  public void visit(If _if) {
    propagate(_if);
  }

  public void visit(While _while) {
    propagate(_while);
  }

  public void visit(RepeatUntil repeatUntil) {
    propagate(repeatUntil);
  }

  public void visit(Pick pick) {
    propagate(pick);
  }

  public void visit(Flow flow) {
    propagate(flow);
  }

  public void visit(Scope scope) {
    scope.getActivity().accept(this);
  }

  public void visit(Compensate compensate) {
  }

  public void visit(CompensateScope compensateScope) {
  }

  public void visit(Rethrow rethrow) {
  }

  public void visit(Validate validate) {
  }

  protected void propagate(StructuredActivity structure) {
    List activities = structure.getNodes();
    for (int i = 0, n = activities.size(); i < n; i++) {
      Activity activity = (Activity) activities.get(i);
      activity.accept(this);
    }
  }
}