kr.debop4j.data.hibernate.interceptor.StatefulEntityInterceptor.java Source code

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Here is the source code for kr.debop4j.data.hibernate.interceptor.StatefulEntityInterceptor.java

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/*
 * Copyright 2011-2013 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 kr.debop4j.data.hibernate.interceptor;

import kr.debop4j.data.model.IStatefulEntity;
import lombok.extern.slf4j.Slf4j;
import org.hibernate.EmptyInterceptor;
import org.hibernate.type.Type;

import java.io.Serializable;

/**
 * ? ?   Interceptor.
 *
 * @author ? ( sunghyouk.bae@gmail.com )
 * @since 12. 11. 21.
 */
@Slf4j
public class StatefulEntityInterceptor extends EmptyInterceptor {

    private static final long serialVersionUID = 6945967982003155513L;

    /**  ? ? ? ?  . */
    public Boolean isPersisted(Object entity) {
        if (entity instanceof IStatefulEntity)
            return ((IStatefulEntity) entity).isPersisted();
        return null;
    }

    /**    ? ? ?. ? isPersisted ? true  . */
    @Override
    public boolean onLoad(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (entity instanceof IStatefulEntity) {
            ((IStatefulEntity) entity).onLoad();
        }
        return false;
    }

    /**  ? ? ? . ? isPersisted ? false  . */
    public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (entity instanceof IStatefulEntity) {
            ((IStatefulEntity) entity).onSave();
        }
        return false;
    }
}