Package com._1c.g5.v8.bm.common.lifecycle

Class LifecycleHelper

java.lang.Object

com._1c.g5.v8.bm.common.lifecycle.LifecycleHelper

public final class LifecycleHelper
extends Object

Lifecycle helper is a tool for managing transitions between lifecycle phases.

The lifecycle helper supports the following set of phases:

• Initial
• Starting
• Running
• Closing
• Closed

The lifecycle helper is thread-safe.

Constructor Summary

Constructors

Constructor	Description
LifecycleHelper()

Method Summary

Modifier and Type	Method	Description
void	beginClose()	Performs transition from Running to Closing phase.
void	beginStart()	Performs transition from Initial to Starting phase.
void	beginUserOperation()	Registers a user operation.
void	endClose()	Performs transition from Closing to Closed phase.
void	endStart(boolean successful)	Performs transition from Starting to Running phase in case the start was successful, otherwise performs transition to Closed phase.
void	endUserOperation()	Deregisters a user operation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LifecycleHelper

public LifecycleHelper()

Method Detail

beginStart

public void beginStart()

Performs transition from Initial to Starting phase.

• In case the current phase is not Initial an exception is thrown.

endStart

public void endStart(boolean successful)

Performs transition from Starting to Running phase in case the start was successful, otherwise performs transition to Closed phase.

• In case the current phase is not Starting an exception is thrown.
• In case this method is invoked by a thread different from the thread that invoked beginStart an exception is thrown.

Parameters:

successful - The flag showing whether the start was successful.

beginUserOperation

public void beginUserOperation()

Registers a user operation.

• In case the current phase is not Running an exception is thrown.

endUserOperation

public void endUserOperation()

Deregisters a user operation.

• In case the current phase is not Running an exception is thrown.
• The method does not check if the operation was registered in the same thread or if it was registered at all, however, in case this method was invoked more times than the beginUserOperation was, an exception in thrown.

beginClose

public void beginClose()

Performs transition from Running to Closing phase. Waits till all the registered user operations are deregistered.

• In case the current phase is not Running an exception is thrown.

endClose

public void endClose()

Performs transition from Closing to Closed phase.

• In case the current phase is not Closing an exception is thrown.
• In case this method is invoked by a thread different from the thread that invoked beginClose an exception is thrown.