spring-batch FlowState 源码
spring-batch FlowState 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/job/flow/support/state/FlowState.java
/*
* Copyright 2006-2013 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
*
* 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.batch.core.job.flow.support.state;
import java.util.Collection;
import java.util.Collections;
import org.springframework.batch.core.job.flow.Flow;
import org.springframework.batch.core.job.flow.FlowExecutionStatus;
import org.springframework.batch.core.job.flow.FlowExecutor;
import org.springframework.batch.core.job.flow.FlowHolder;
/**
* State that delegates to a Flow
*
* @author Dave Syer
* @since 2.0
*/
public class FlowState extends AbstractState implements FlowHolder {
private final Flow flow;
/**
* @param flow the {@link Flow} to delegate to.
* @param name the name of the state.
*/
public FlowState(Flow flow, String name) {
super(name);
this.flow = flow;
}
/**
* @return the flows
*/
@Override
public Collection<Flow> getFlows() {
return Collections.singleton(flow);
}
@Override
public FlowExecutionStatus handle(FlowExecutor executor) throws Exception {
return flow.start(executor).getStatus();
}
/*
* (non-Javadoc)
*
* @see org.springframework.batch.core.job.flow.State#isEndState()
*/
@Override
public boolean isEndState() {
return false;
}
}
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