/* 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.activiti.engine.test.pvm.activities;
import org.activiti.engine.impl.pvm.PvmTransition;
import org.activiti.engine.impl.pvm.delegate.ActivityBehavior;
import org.activiti.engine.impl.pvm.delegate.ActivityExecution;
/**
* @author Tom Baeyens
*/
public class While implements ActivityBehavior {
String variableName;
int from;
int to;
public While(String variableName, int from, int to) {
this.variableName = variableName;
this.from = from;
this.to = to;
}
public void execute(ActivityExecution execution) throws Exception {
PvmTransition more = execution.getActivity().findOutgoingTransition("more");
PvmTransition done = execution.getActivity().findOutgoingTransition("done");
Integer value = (Integer) execution.getVariable(variableName);
if (value==null) {
execution.setVariable(variableName, from);
execution.take(more);
} else {
value = value+1;
if (value<to) {
execution.setVariable(variableName, value);
execution.take(more);
} else {
execution.take(done);
}
}
}
}