| 1 | /* |
| 2 | * Copyright 2006-2013 the original author or authors. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.springframework.batch.core.job.flow.support.state; |
| 18 | |
| 19 | import java.util.Collection; |
| 20 | import java.util.Collections; |
| 21 | |
| 22 | import org.springframework.batch.core.job.flow.Flow; |
| 23 | import org.springframework.batch.core.job.flow.FlowExecutionStatus; |
| 24 | import org.springframework.batch.core.job.flow.FlowExecutor; |
| 25 | import org.springframework.batch.core.job.flow.FlowHolder; |
| 26 | |
| 27 | /** |
| 28 | * State that delegates to a Flow |
| 29 | * |
| 30 | * @author Dave Syer |
| 31 | * @since 2.0 |
| 32 | */ |
| 33 | public class FlowState extends AbstractState implements FlowHolder { |
| 34 | |
| 35 | private final Flow flow; |
| 36 | |
| 37 | /** |
| 38 | * @param name |
| 39 | */ |
| 40 | public FlowState(Flow flow, String name) { |
| 41 | super(name); |
| 42 | this.flow = flow; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * @return the flows |
| 47 | */ |
| 48 | @Override |
| 49 | public Collection<Flow> getFlows() { |
| 50 | return Collections.singleton(flow); |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public FlowExecutionStatus handle(FlowExecutor executor) throws Exception { |
| 55 | return flow.start(executor).getStatus(); |
| 56 | } |
| 57 | |
| 58 | /* (non-Javadoc) |
| 59 | * @see org.springframework.batch.core.job.flow.State#isEndState() |
| 60 | */ |
| 61 | @Override |
| 62 | public boolean isEndState() { |
| 63 | return false; |
| 64 | } |
| 65 | |
| 66 | } |