se.sperber.cryson.hibernate.CrysonInterceptor.java Source code

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Here is the source code for se.sperber.cryson.hibernate.CrysonInterceptor.java

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/*
  Cryson
      
  Copyright 2011-2012 Bjrn Sperber (cryson@sperber.se)
      
  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 se.sperber.cryson.hibernate;

import org.hibernate.EmptyInterceptor;
import org.hibernate.Interceptor;
import org.hibernate.type.Type;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

@Component
public class CrysonInterceptor extends EmptyInterceptor {

    @Autowired
    private DefaultListableBeanFactory defaultListableBeanFactory;

    Set<Interceptor> interceptors;

    @PostConstruct
    public void findInterceptors() {
        interceptors = new HashSet<Interceptor>(
                defaultListableBeanFactory.getBeansOfType(Interceptor.class).values());
        interceptors.remove(this);
    }

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

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

}