/**
    * Copyright 2010-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util.execute;
  
  import java.util.Date;
  import java.util.List;
  
  import org.kuali.common.util.CollectionUtils;
  import org.kuali.common.util.FormatUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Execute the list of <code>executables</code> supplied to this bean
   */
  public class ExecutablesExecutable implements Executable {
  
  	private static final Logger logger = LoggerFactory.getLogger(ExecutablesExecutable.class);
  
  	public ExecutablesExecutable() {
  		this(null);
  	}
  
  	public ExecutablesExecutable(List<Executable> executables) {
  		super();
  		this.executables = executables;
  	}
  
  	List<Executable> executables;
  	boolean skip;
  	boolean timed;
  
  	@Override
  	public void execute() {
  		if (skip) {
  			logger.info("Skipping execution of {} executables", CollectionUtils.toEmptyList(executables).size());
  			return;
  		}
  		long start = System.currentTimeMillis();
  		for (Executable executable : executables) {
  			executable.execute();
  		}
  		long stop = System.currentTimeMillis();
  		if (timed) {
  			String elapsed = FormatUtils.getTime(stop - start);
  			logger.info("------------------------------------------------------------------------");
  			logger.info("Total Time: {}", elapsed);
  			logger.info("Finished at: {}", new Date(stop));
  			logger.info("------------------------------------------------------------------------");
  		}
  	}
  
  	public List<Executable> getExecutables() {
  		return executables;
  	}
  
  	public void setExecutables(List<Executable> executables) {
  		this.executables = executables;
  	}
  
  	public boolean isSkip() {
  		return skip;
  	}
  
  	public void setSkip(boolean skip) {
  		this.skip = skip;
  	}
  
  	public boolean isTimed() {
  		return timed;
  	}
  
  	public void setTimed(boolean timed) {
  		this.timed = timed;
  	}
  
  }