com.glaf.activiti.tasklistener.CancelTaskMultiInstanceListener.java Source code

Introduction

Here is the source code for com.glaf.activiti.tasklistener.CancelTaskMultiInstanceListener.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.glaf.activiti.tasklistener;

import org.activiti.engine.delegate.DelegateTask;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.delegate.TaskListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.glaf.core.util.Constants;

public class CancelTaskMultiInstanceListener implements TaskListener {
    private static final long serialVersionUID = 1L;

    protected final static Log logger = LogFactory.getLog(CancelTaskMultiInstanceListener.class);

    protected Expression conditionExpression;

    @Override
    public void notify(DelegateTask delegateTask) {
        logger.debug("----------------------------------------------------");
        logger.debug("---------------CancelTaskMultiInstanceListener------");
        logger.debug("----------------------------------------------------");
        if (conditionExpression != null) {
            Object value = conditionExpression.getValue(delegateTask);
            if (value != null) {
                logger.debug("condition:" + value);
                if (value instanceof Boolean) {
                    Boolean b = (Boolean) value;
                    if (b.booleanValue()) {
                        if (delegateTask.getVariable(Constants.NUMBER_OF_COMPLETED_INSTANCES) != null) {
                            int nrOfCompletedInstances = (Integer) delegateTask
                                    .getVariable(Constants.NUMBER_OF_COMPLETED_INSTANCES);
                            delegateTask.setVariable(Constants.NUMBER_OF_COMPLETED_INSTANCES,
                                    nrOfCompletedInstances + 10000);
                        }
                    }
                }
            }
        }
    }

    public void setConditionExpression(Expression conditionExpression) {
        this.conditionExpression = conditionExpression;
    }

}