com.github.carlomicieli.service.hibernate.SessionEventInterceptor.java Source code

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Here is the source code for com.github.carlomicieli.service.hibernate.SessionEventInterceptor.java

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/*
 * Copyright 2012 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.github.carlomicieli.service.hibernate;

import java.io.Serializable;
import java.util.Date;

import org.hibernate.EmptyInterceptor;
import org.hibernate.type.Type;

import com.github.carlomicieli.model.Player;

/**
 * Hibernate interceptor class for entity events.
 * @author Carlo P. Micieli
 *
 */
public class SessionEventInterceptor extends EmptyInterceptor {

    private static final long serialVersionUID = 1L;

    // event for the inserts
    @Override
    public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {

        if (entity instanceof Player) {
            for (int i = 0; i < propertyNames.length; i++) {
                if ("lastUpdated".equals(propertyNames[i])) {
                    state[i] = new Date();
                    return true;
                }
            }
        }

        return false;
    }

    // event for the updates
    @Override
    public boolean onFlushDirty(Object entity, Serializable id, Object[] currentState, Object[] previousState,
            String[] propertyNames, Type[] types) {

        if (entity instanceof Player) {
            for (int i = 0; i < propertyNames.length; i++) {
                if ("lastUpdated".equals(propertyNames[i])) {
                    currentState[i] = new Date();
                    return true;
                }
            }
        }

        return false;
    }
}