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## org.springframework.webflow.execution.repository
Interface FlowExecutionLock

    public interface FlowExecutionLock

A pessmistic lock to obtain exclusive rights to a flow execution. Used to prevent conflicts when multiple requests to manipulate a flow execution arrive from different threads concurrently.

Author:
  Keith Donald

Method Summary
`void` | `lock()` Acquire the flow execution lock.
`void` | `unlock()` Release the flow execution lock.

Method Detail

### lock

    void lock()

  Acquire the flow execution lock. This method will block until the lock becomes available for acquisition.

### unlock

    void unlock()

  Release the flow execution lock.

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