/* * Copyright 2006-2010 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.springframework.batch.integration.step; import org.springframework.batch.core.Step; import org.springframework.batch.core.StepExecution; import org.springframework.batch.core.step.AbstractStep; import org.springframework.util.Assert; /** * Provides a wrapper for an existing {@link Step}, delegating execution to it, * but serving all other operations locally. * * @author Dave Syer * */ public class DelegateStep extends AbstractStep { private Step delegate; /** * @param delegate the delegate to set */ public void setDelegate(Step delegate) { this.delegate = delegate; } /** * Check mandatory properties (delegate). */ @Override public void afterPropertiesSet() throws Exception { Assert.state(delegate!=null, "A delegate Step must be provided"); super.afterPropertiesSet(); } @Override protected void doExecute(StepExecution stepExecution) throws Exception { delegate.execute(stepExecution); } }