Flow (Spring Batch 4.1.4.RELEASE API)

所有已知实现类:
JsrFlow, SimpleFlow
```
public interface Flow
```
从以下版本开始:
2.0
作者:
Dave Syer

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`java.lang.String`	`getName()`
`State`	`getState(java.lang.String stateName)`	Retrieve the State with the given name.
`java.util.Collection<State>`	`getStates()`	Convenient accessor for clients needing to explore the states of this flow.
`FlowExecution`	`resume(java.lang.String stateName, FlowExecutor executor)`
`FlowExecution`	`start(FlowExecutor executor)`

- 方法详细资料
  - getName
```
java.lang.String getName()
```
    返回:
    the name of the flow
  - getState
```
State getState(java.lang.String stateName)
```
    Retrieve the State with the given name. If there is no State with the given name, then return null.
    参数:
    stateName - the name of the state to retrieve
    返回:
    the State
  - start
```
FlowExecution start(FlowExecutor executor)
             throws FlowExecutionException
```
    参数:
    executor - the FlowExecutor instance to use for the flow execution.
    返回:
    a FlowExecution containing the exit status of the flow.
    抛出:
    FlowExecutionException - thrown if error occurs during flow execution.
  - resume
```
FlowExecution resume(java.lang.String stateName,
                     FlowExecutor executor)
              throws FlowExecutionException
```
    参数:
    stateName - the name of the state to resume on.
    executor - the context to be passed into each state executed.
    返回:
    a FlowExecution containing the exit status of the flow.
    抛出:
    FlowExecutionException - thrown if error occurs during flow execution.
  - getStates
```
java.util.Collection<State> getStates()
```
    Convenient accessor for clients needing to explore the states of this flow.
    返回:
    the states