debop4k.data.orm.hibernate.interceptors.MultipleInterceptor.java Source code

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Here is the source code for debop4k.data.orm.hibernate.interceptors.MultipleInterceptor.java

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/*
 * Copyright (c) 2016. Sunghyouk Bae <sunghyouk.bae@gmail.com>
 * 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 debop4k.data.orm.hibernate.interceptors;

import lombok.extern.slf4j.Slf4j;
import org.eclipse.collections.impl.list.mutable.FastList;
import org.hibernate.EmptyInterceptor;
import org.hibernate.Interceptor;
import org.hibernate.type.Type;

import java.io.Serializable;
import java.util.Iterator;

/**
 * Hibernate? ? ? {@link Interceptor} ? ?  .
 * MultipleInterceptor  ? Interceptor   ?.
 *
 * @author sunghyouk.bae@gmail.com
 */
@Slf4j
public class MultipleInterceptor extends EmptyInterceptor {

    final FastList<Interceptor> interceptors = FastList.newList();

    public void add(Interceptor interceptor) {
        if (interceptor != null)
            interceptors.add(interceptor);
    }

    public void remove(Interceptor interceptor) {
        if (interceptor != null)
            interceptors.remove(interceptor);
    }

    public boolean isEmpty() {
        return interceptors.isEmpty();
    }

    public boolean nonEmpty() {
        return !isEmpty();
    }

    @Override
    public void onDelete(Object entity, Serializable id, Object[] state, final String[] propertyNames,
            Type[] types) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.onDelete(entity, id, state, propertyNames, types);
            }
        }
    }

    @Override
    public boolean onFlushDirty(Object entity, Serializable id, Object[] currentState, Object[] previousState,
            String[] propertyNames, Type[] types) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.onFlushDirty(entity, id, currentState, previousState, propertyNames, types);
            }
        }
        return false;
    }

    @Override
    public boolean onLoad(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.onLoad(entity, id, state, propertyNames, types);
            }
        }
        return false;
    }

    @Override
    public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.onSave(entity, id, state, propertyNames, types);
            }
        }
        return false;
    }

    @Override
    public void postFlush(Iterator entities) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.postFlush(entities);
            }
        }
    }

    @Override
    public void preFlush(Iterator entities) {
        if (nonEmpty()) {
            for (Interceptor interceptor : interceptors) {
                interceptor.preFlush(entities);
            }
        }
    }

    private static final long serialVersionUID = -8461427225818266204L;
}