Java tutorial
/* * Copyright 2012-2019 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 * * https://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.springframework.boot.autoconfigure.transaction; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.List; import org.springframework.boot.util.LambdaSafe; import org.springframework.transaction.PlatformTransactionManager; /** * A collection of {@link PlatformTransactionManagerCustomizer}. * * @author Phillip Webb * @since 1.5.0 */ public class TransactionManagerCustomizers { private final List<PlatformTransactionManagerCustomizer<?>> customizers; public TransactionManagerCustomizers( Collection<? extends PlatformTransactionManagerCustomizer<?>> customizers) { this.customizers = (customizers != null) ? new ArrayList<>(customizers) : Collections.emptyList(); } @SuppressWarnings("unchecked") public void customize(PlatformTransactionManager transactionManager) { LambdaSafe.callbacks(PlatformTransactionManagerCustomizer.class, this.customizers, transactionManager) .withLogger(TransactionManagerCustomizers.class) .invoke((customizer) -> customizer.customize(transactionManager)); } }