io.seata.saga.engine.pcext.utils

类 LoopTaskUtils

java.lang.Object

io.seata.saga.engine.pcext.utils.LoopTaskUtils

public class LoopTaskUtils
extends Object

Loop Task Util

字段概要

字段

限定符和类型	字段和说明
static String	LOOP_STATE_NAME_PATTERN

构造器概要

构造器

构造器和说明
LoopTaskUtils()

方法概要

限定符和类型	方法和说明
static int	acquireNextLoopCounter(ProcessContext context)
static void	createLoopCounterContext(ProcessContext context) create loop counter context
static ProcessContext	createLoopEventContext(ProcessContext context, int loopCounter) create context for async publish
static String	decideCurrentExceptionRoute(List<ProcessContext> subContextList, StateMachine stateMachine) decide current exception route for loop publish over
static StateInstance	findOutLastNeedForwardStateInstance(ProcessContext context)
static StateInstance	findOutLastRetriedStateInstance(StateMachineInstance stateMachineInstance, String stateName)
static String	generateLoopStateName(ProcessContext context, String stateName) generate loop state name like stateName-fork-1
static TaskState.Loop	getLoopConfig(ProcessContext context, State currentState) get Loop Config from State
static boolean	isCompletionConditionSatisfied(ProcessContext context) check if satisfied completion condition
static boolean	isForSubStateMachineForward(ProcessContext context) forward with subStateMachine should check each loop state's status
static boolean	matchLoop(State state) match if state has loop property
static void	putContextToParent(ProcessContext context, List<ProcessContext> subContextList, State state) put loop out params to parent context
static void	reloadLoopContext(ProcessContext context, String forwardStateName) reload loop counter context while forward
static int	reloadLoopCounter(String stateName) reload context loop counter from stateInstName

从类继承的方法 java.lang.Object

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

字段详细资料

LOOP_STATE_NAME_PATTERN

public static final String LOOP_STATE_NAME_PATTERN

另请参阅:

常量字段值

构造器详细资料

LoopTaskUtils

public LoopTaskUtils()

方法详细资料

getLoopConfig

public static TaskState.Loop getLoopConfig(ProcessContext context,
                                           State currentState)

get Loop Config from State

参数:

context -

currentState -

返回:

currentState loop config if satisfied, else null

matchLoop

public static boolean matchLoop(State state)

match if state has loop property

参数:

state -

返回:

createLoopCounterContext

public static void createLoopCounterContext(ProcessContext context)

create loop counter context

参数:

context -

reloadLoopContext

public static void reloadLoopContext(ProcessContext context,
                                     String forwardStateName)

reload loop counter context while forward

参数:

context -

forwardStateName -

createLoopEventContext

public static ProcessContext createLoopEventContext(ProcessContext context,
                                                    int loopCounter)

create context for async publish

参数:

context -

loopCounter - acquire new counter if is -1, else means a specific loop-counter

返回:

findOutLastNeedForwardStateInstance

public static StateInstance findOutLastNeedForwardStateInstance(ProcessContext context)

findOutLastRetriedStateInstance

public static StateInstance findOutLastRetriedStateInstance(StateMachineInstance stateMachineInstance,
                                                            String stateName)

isCompletionConditionSatisfied

public static boolean isCompletionConditionSatisfied(ProcessContext context)

check if satisfied completion condition

参数:

context -

返回:

acquireNextLoopCounter

public static int acquireNextLoopCounter(ProcessContext context)

generateLoopStateName

public static String generateLoopStateName(ProcessContext context,
                                           String stateName)

generate loop state name like stateName-fork-1

参数:

stateName -

context -

返回:

reloadLoopCounter

public static int reloadLoopCounter(String stateName)

reload context loop counter from stateInstName

参数:

stateName -

返回:

另请参阅:

generateLoopStateName(ProcessContext, String)

putContextToParent

public static void putContextToParent(ProcessContext context,
                                      List<ProcessContext> subContextList,
                                      State state)

put loop out params to parent context

参数:

context -

isForSubStateMachineForward

public static boolean isForSubStateMachineForward(ProcessContext context)

forward with subStateMachine should check each loop state's status

参数:

context -

返回:

decideCurrentExceptionRoute

public static String decideCurrentExceptionRoute(List<ProcessContext> subContextList,
                                                 StateMachine stateMachine)

decide current exception route for loop publish over

参数:

subContextList -

stateMachine -

返回:

route if current exception route not null