spring-batch Flow 源码
spring-batch Flow 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/job/flow/Flow.java
/*
* Copyright 2006-2007 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;
import java.util.Collection;
/**
* @author Dave Syer
* @since 2.0
*/
public interface Flow {
/**
* @return the name of the flow
*/
String getName();
/**
* Retrieve the State with the given name. If there is no State with the given name,
* then return null.
* @param stateName the name of the state to retrieve
* @return the State
*/
State getState(String stateName);
/**
* @param executor the {@link FlowExecutor} instance to use for the flow execution.
* @return a {@link FlowExecution} containing the exit status of the flow.
* @throws FlowExecutionException thrown if error occurs during flow execution.
*/
FlowExecution start(FlowExecutor executor) throws FlowExecutionException;
/**
* @param stateName the name of the state to resume on.
* @param executor the context to be passed into each state executed.
* @return a {@link FlowExecution} containing the exit status of the flow.
* @throws FlowExecutionException thrown if error occurs during flow execution.
*/
FlowExecution resume(String stateName, FlowExecutor executor) throws FlowExecutionException;
/**
* Convenient accessor for clients needing to explore the states of this flow.
* @return the states
*/
Collection<State> getStates();
}
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spring-batch FlowExecutionException 源码
spring-batch FlowExecutionStatus 源码
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