/* * Copyright 2004-2009 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 org.compass.core.transaction.context; import org.compass.core.transaction.TransactionException; /** * Allows to execute operations within a transactional context. * * @author kimchy */ public interface TransactionContext { /** * Executes the given callback within a transactional context. Note, the transaction * will only be started if needed. See {@link org.compass.core.engine.SearchEngineIndexManager#requiresAsyncTransactionalContext()}. */ <T> T execute(TransactionContextCallback<T> callback) throws TransactionException; /** * Executes the given callback within a transactional context (always). */ <T> T execute(TransactionContextCallbackWithTr<T> callback) throws TransactionException; }