Package com.axelor.workflow.exec

Class WorkflowReentrancyGuard

java.lang.Object

com.axelor.workflow.exec.WorkflowReentrancyGuard

@Singleton
public class WorkflowReentrancyGuard
extends Object

Guards against runaway cascades: a run may save records whose events start more runs. A context opened around the dispatch spans the whole chain, rejecting runs past a depth limit and any run whose key (tenant|model|jsonModel|name|recordId|cause) is already active in it. Keys clear when the outermost context closes.

Constructor Summary

Constructors

Constructor	Description
WorkflowReentrancyGuard()

Method Summary

Modifier and Type	Method	Description
void	enter()	Open (or descend into) a cascade context; pair with exit() in a finally block.
void	exit()	Leave a cascade level; clears all keys once the top-level context unwinds.
String	key(String tenant, String model, String jsonModel, String name, Long recordId, TriggerKind cause)	Build the execution key for a run; pass to tryAcquire(String).
int	maxDepth()	The configured cascade depth limit.
boolean	tryAcquire(String key)	Reserve a run's key; false past the depth limit or when the key is already active.

Methods inherited from class java.lang.Object

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

Constructor Details

WorkflowReentrancyGuard

public WorkflowReentrancyGuard()

Method Details

enter

public void enter()

Open (or descend into) a cascade context; pair with exit() in a finally block.

exit

public void exit()

Leave a cascade level; clears all keys once the top-level context unwinds.

tryAcquire

public boolean tryAcquire(String key)

Reserve a run's key; false past the depth limit or when the key is already active. Always true outside a guard context.

key

public String key(String tenant,
 String model,
 String jsonModel,
 String name,
 Long recordId,
 TriggerKind cause)

Build the execution key for a run; pass to tryAcquire(String).

maxDepth

public int maxDepth()

The configured cascade depth limit.