[JBoss JIRA] Created: (BPEL-214) provide a fault handling example
by Alejandro Guizar (JIRA)
provide a fault handling example
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Key: BPEL-214
URL: http://jira.jboss.com/jira/browse/BPEL-214
Project: JBoss jBPM BPEL
Issue Type: Task
Security Level: Public (Everyone can see)
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Fix For: jBPM BPEL 1.1
The BPEL product needs a new example that demonstrates the fault handling capabilities. The sample purchase order process from the BPEL4WS 1.1 specification is a good candidate. Not only it demonstrates fault handling, but also asynchronous interaction with partner services and the use of the <flow> activity to model multiple concurrent paths of execution.
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18 years, 5 months
[JBoss JIRA] Created: (BPEL-212) Modularize package org.jbpm.bpel.def
by Alejandro Guizar (JIRA)
Modularize package org.jbpm.bpel.def
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Key: BPEL-212
URL: http://jira.jboss.com/jira/browse/BPEL-212
Project: JBoss jBPM BPEL
Issue Type: Task
Security Level: Public (Everyone can see)
Affects Versions: jBPM BPEL 1.1 beta 2
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Fix For: jBPM BPEL 1.1
The package org.jbpm.bpel.def concentrates all activity definitions and has become monolithic. The proposal is breaking it as follows:
org.jbpm.bpel.graph.def: Core concepts, including BpelDefinition, Activity, CompositeActivity and LinkDefinition.
org.jbpm.bpel.graph.basic: Basic activities
org.jbpm.bpel.graph.struct: Structured activities
org.jbpm.bpel.graph.scope: Scope activity plus fault, compensation, event and termination handlers
For consistency, org.jbpm.bpel.exe becomes org.jbpm.bpel.graph.exe. Because the number of execution objects is small, there is no need to break this package.
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18 years, 5 months
[JBoss JIRA] Created: (BPEL-206) activity readers file is reparsed every time a bpelReader is instantiated
by Alejandro Guizar (JIRA)
activity readers file is reparsed every time a bpelReader is instantiated
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Key: BPEL-206
URL: http://jira.jboss.com/jira/browse/BPEL-206
Project: JBoss jBPM BPEL
Issue Type: Task
Security Level: Public (Everyone can see)
Components: Engine
Affects Versions: jBPM BPEL 1.1 beta 1
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Fix For: jBPM BPEL 1.1 beta 2
The activity readers file, located by default in org/jbpm/bpel/xml/activity.readers.xml, contains the activity tag names available to the process along with the ActivityReader capable of unmarshalling the XML element to a definition object.
Each bpelReader contains its own set of activityReaders. To instantiate them, it parses the activity readers file, retrieves the ActivityReader class names, loads the classes and instantiates them. This is wasteful.
We need to parse the resource and keep a reference to the loaded classes in advance so that the bpelReader instance only instantiates the classes.
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18 years, 5 months
[JBoss JIRA] Created: (BPEL-205) employ inheritance instead of enumeration to distinguish sublanguage uses
by Alejandro Guizar (JIRA)
employ inheritance instead of enumeration to distinguish sublanguage uses
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Key: BPEL-205
URL: http://jira.jboss.com/jira/browse/BPEL-205
Project: JBoss jBPM BPEL
Issue Type: Task
Security Level: Public (Everyone can see)
Components: Engine
Affects Versions: jBPM BPEL 1.1 beta 1
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Fix For: jBPM BPEL 1.1 beta 2
ScriptDefinition has a property of enum type Use to distinguish the intent of the sublanguage snippet in the context where it appears. Collecting this information is important because each use has different semantics.
Inheritance models the relationship between the diverse uses better from an object-oriented perspective. Therefore, the Use enumeration has to be dropped in favor of a Snippet hierarchy.
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18 years, 5 months
[JBoss JIRA] Created: (BPEL-198) prevent stale object state exceptions
by Alejandro Guizar (JIRA)
prevent stale object state exceptions
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Key: BPEL-198
URL: http://jira.jboss.com/jira/browse/BPEL-198
Project: JBoss jBPM BPEL
Issue Type: Task
Security Level: Public (Everyone can see)
Affects Versions: jBPM BPEL 1.1 beta 1
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Priority: Critical
Fix For: jBPM BPEL 1.1 beta 2
After incorporating optimistic concurrency control, Hibernate frequently throwed StaleObjectStateExceptions due to the integration service's enabling of RequestListeners as soon as the process instance reached an inbound message activity. When the expected message comes before the transaction that reached the activity ends, nothing prevents JMS from delivering it. The unavoidable outcome of this situation is a StaleObjectStateException.
We must find a way to enable RequestListeners after the originating transaction ends.
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18 years, 5 months