com.googlecode.starflow.engine.event.listener.AbstractProcessListener.java Source code

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Here is the source code for com.googlecode.starflow.engine.event.listener.AbstractProcessListener.java

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/*
 * Copyright 2010-2011 the original author or authors.
 *
 * 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 com.googlecode.starflow.engine.event.listener;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ApplicationContextEvent;

import com.googlecode.starflow.engine.event.AbstractFlowEvent;
import com.googlecode.starflow.engine.event.ActivityCreateEvent;
import com.googlecode.starflow.engine.event.ActivityFinishEvent;
import com.googlecode.starflow.engine.event.ActivityRestartEvent;
import com.googlecode.starflow.engine.event.ActivityRollBackEvent;
import com.googlecode.starflow.engine.event.ActivityStartEvent;
import com.googlecode.starflow.engine.event.ActivityTerminalEvent;
import com.googlecode.starflow.engine.event.ProcessFinishEvent;
import com.googlecode.starflow.engine.event.ProcessStartEvent;
import com.googlecode.starflow.engine.event.ProcessTerminalEvent;

/**
 * 
 * @author libinsong1204@gmail.com
 * @version 1.0
 */
public abstract class AbstractProcessListener implements ApplicationListener<ApplicationContextEvent> {
    protected final Logger logger = LoggerFactory.getLogger(getClass());

    public void onApplicationEvent(ApplicationContextEvent event) {
        AbstractFlowEvent _event = null;
        if (event instanceof AbstractFlowEvent)
            _event = (AbstractFlowEvent) event;
        else
            return;

        if (_event instanceof ProcessStartEvent)
            processStart((ProcessStartEvent) _event);
        else if (_event instanceof ProcessFinishEvent)
            processEnd((ProcessFinishEvent) _event);
        else if (_event instanceof ActivityCreateEvent)
            activityCreate((ActivityCreateEvent) _event);
        else if (_event instanceof ActivityStartEvent)
            activityStart((ActivityStartEvent) _event);
        else if (_event instanceof ActivityRestartEvent)
            activityRestart((ActivityRestartEvent) _event);
        else if (_event instanceof ActivityFinishEvent)
            activityEnd((ActivityFinishEvent) _event);
        else if (_event instanceof ActivityTerminalEvent)
            activityTerminal((ActivityTerminalEvent) _event);
        else if (_event instanceof ActivityRollBackEvent)
            activityRollback((ActivityRollBackEvent) _event);
        else if (_event instanceof ProcessTerminalEvent)
            processTerminal((ProcessTerminalEvent) _event);
    }

    public void processStart(ProcessStartEvent event) {
    }

    public void processEnd(ProcessFinishEvent event) {
    };

    public void activityCreate(ActivityCreateEvent event) {
    };

    public void activityStart(ActivityStartEvent event) {
    };

    public void activityRestart(ActivityRestartEvent event) {
    };

    public void activityEnd(ActivityFinishEvent event) {
    };

    public void activityTerminal(ActivityTerminalEvent event) {
    };

    public void activityRollback(ActivityRollBackEvent event) {
    };

    public void processTerminal(ProcessTerminalEvent event) {
    };
}