io.seata.saga.engine.strategy.impl

Class DefaultStatusDecisionStrategy

java.lang.Object

io.seata.saga.engine.strategy.impl.DefaultStatusDecisionStrategy

All Implemented Interfaces:

StatusDecisionStrategy

public class DefaultStatusDecisionStrategy
extends Object
implements StatusDecisionStrategy

Default state machine execution status decision strategy

See Also:

StatusDecisionStrategy

Constructor Summary

Constructors

Constructor and Description
DefaultStatusDecisionStrategy()

Method Summary

Modifier and Type	Method and Description
static void	decideMachineCompensateStatus(StateMachineInstance stateMachineInstance, CompensationHolder compensationHolder) decide machine compensate status
boolean	decideMachineForwardExecutionStatus(StateMachineInstance stateMachineInstance, Exception exp, boolean specialPolicy) Determine the forward execution state of the state machine
void	decideOnEndState(ProcessContext context, StateMachineInstance stateMachineInstance, Exception exp) Determine state machine execution status when executing to EndState
void	decideOnTaskStateFail(ProcessContext context, StateMachineInstance stateMachineInstance, Exception exp) Determine state machine execution status when executing TaskState error
static void	setMachineStatusBasedOnException(StateMachineInstance stateMachineInstance, Exception exp, boolean hasSuccessUpdateService) set machine status based on net exception
static void	setMachineStatusBasedOnStateListAndException(StateMachineInstance stateMachineInstance, List<StateInstance> stateList, Exception exp) set machine status based on state list

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultStatusDecisionStrategy

public DefaultStatusDecisionStrategy()

Method Detail

decideMachineCompensateStatus

public static void decideMachineCompensateStatus(StateMachineInstance stateMachineInstance,
                                                 CompensationHolder compensationHolder)

decide machine compensate status

Parameters:

stateMachineInstance -

compensationHolder -

setMachineStatusBasedOnStateListAndException

public static void setMachineStatusBasedOnStateListAndException(StateMachineInstance stateMachineInstance,
                                                                List<StateInstance> stateList,
                                                                Exception exp)

set machine status based on state list

Parameters:

stateMachineInstance - the state machine instance

stateList - the state instance list

setMachineStatusBasedOnException

public static void setMachineStatusBasedOnException(StateMachineInstance stateMachineInstance,
                                                    Exception exp,
                                                    boolean hasSuccessUpdateService)

set machine status based on net exception

Parameters:

stateMachineInstance -

exp -

decideOnEndState

public void decideOnEndState(ProcessContext context,
                             StateMachineInstance stateMachineInstance,
                             Exception exp)

Description copied from interface: StatusDecisionStrategy

Determine state machine execution status when executing to EndState

Specified by:

decideOnEndState in interface StatusDecisionStrategy

Parameters:

context - the process context

stateMachineInstance - the state machine instance

exp - exception

decideOnTaskStateFail

public void decideOnTaskStateFail(ProcessContext context,
                                  StateMachineInstance stateMachineInstance,
                                  Exception exp)

Description copied from interface: StatusDecisionStrategy

Determine state machine execution status when executing TaskState error

Specified by:

decideOnTaskStateFail in interface StatusDecisionStrategy

decideMachineForwardExecutionStatus

public boolean decideMachineForwardExecutionStatus(StateMachineInstance stateMachineInstance,
                                                   Exception exp,
                                                   boolean specialPolicy)

Determine the forward execution state of the state machine

Specified by:

decideMachineForwardExecutionStatus in interface StatusDecisionStrategy

Parameters:

stateMachineInstance - the state machine instance

exp - the exception

specialPolicy - the special policy

Returns:

the boolean