/*
    * Copyright 2012-2013 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.core.job.builder;
  
  import org.springframework.batch.core.Step;
  import org.springframework.batch.core.job.flow.Flow;
  import org.springframework.batch.core.job.flow.JobExecutionDecider;
  
  /**
   * @author Dave Syer
   *
   */
  public class JobFlowBuilder extends FlowBuilder<FlowJobBuilder> {
  
  	private FlowJobBuilder parent;
  
  	public JobFlowBuilder(FlowJobBuilder parent) {
  		super(parent.getName());
  		this.parent = parent;
  	}
  
  	public JobFlowBuilder(FlowJobBuilder parent, Step step) {
  		super(parent.getName());
  		this.parent = parent;
  		start(step);
  	}
  
  	public JobFlowBuilder(FlowJobBuilder parent, JobExecutionDecider decider) {
  		super(parent.getName());
  		this.parent = parent;
  		start(decider);
  	}
  
  	public JobFlowBuilder(FlowJobBuilder parent, Flow flow) {
  		super(parent.getName());
  		this.parent = parent;
  		start(flow);
  	}
  
  	/**
  	 * Build a flow and inject it into the parent builder. The parent builder is then returned so it can be enhanced
  	 * before building an actual job.  Normally called explicitly via {@link #end()}.
  	 *
  	 * @see org.springframework.batch.core.job.builder.FlowBuilder#build()
  	 */
  	@Override
  	public FlowJobBuilder build() {
  		Flow flow = flow();
  		parent.flow(flow);
  		return parent;
  	}
  
  }