Java tutorial
// The MIT License (MIT) // // Copyright (c) 2016 Tim Jones // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. package io.github.jonestimd.hibernate; import java.io.Serializable; import java.util.Arrays; import java.util.List; import org.hibernate.CallbackException; import org.hibernate.EmptyInterceptor; import org.hibernate.Interceptor; import org.hibernate.Transaction; import org.hibernate.type.Type; public class InterceptorChain extends EmptyInterceptor { private final List<Interceptor> chain; public InterceptorChain(Interceptor... chain) { this.chain = Arrays.asList(chain); } @Override public boolean onFlushDirty(Object entity, Serializable id, Object[] currentState, Object[] previousState, String[] propertyNames, Type[] types) throws CallbackException { boolean modified = false; for (Interceptor interceptor : chain) { modified |= interceptor.onFlushDirty(entity, id, currentState, previousState, propertyNames, types); } return modified; } @Override public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) throws CallbackException { boolean modified = false; for (Interceptor interceptor : chain) { modified |= interceptor.onSave(entity, id, state, propertyNames, types); } return modified; } @Override public void onDelete(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) throws CallbackException { for (Interceptor interceptor : chain) { interceptor.onDelete(entity, id, state, propertyNames, types); } } @Override public void afterTransactionBegin(Transaction tx) { for (Interceptor interceptor : chain) { interceptor.afterTransactionBegin(tx); } } @Override public void afterTransactionCompletion(Transaction tx) { for (Interceptor interceptor : chain) { interceptor.afterTransactionCompletion(tx); } } }