Package wt.ixb.publicforapps

Class ExpFaultToleranceHandler

java.lang.Object

wt.ixb.publicforapps.ExpFaultToleranceHandler

public class ExpFaultToleranceHandler
extends Object

Fault tolerance handling while Export.

Supported API: true

Method Summary

Modifier and Type	Method	Description
void	processDependencies(Map<ObjectIdentifier,? extends QueryKey> dependentToPrimaryMap)	Process the dependencies for fault tolerance.
void	processDependency(ObjectIdentifier dependentRefn, QueryKey primaryRefn)	Process the dependencies for fault tolerance.
void	reportError(WTException exc, String stageName, String errorMessage)	Reports an error to the Framework depending on the executor implementation Supported API: true
void	reportFaulty(WTCollection associatedObjects, WTException exc, String stageName, String errorMessage)	Reports the collection of objects as Faulty objects to the Framework depending on the executor implementation Supported API: true
void	reportFaulty(ObjectReference objRefn, WTException exc, String stageName, String errorMessage)	Reports the ObjectIdentifier object as Faulty objects to the Framework depending on the executor implementation Supported API: true
void	reportFaulty(Persistable persistable, WTException exc, String stageName, String errorMessage)	Reports the Persistable object as Faulty objects to the Framework depending on the executor implementation Supported API: true

Methods inherited from class java.lang.Object

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

Method Details

reportFaulty

public void reportFaulty(WTCollection associatedObjects,
 WTException exc,
 String stageName,
 String errorMessage)
                  throws WTException

Reports the collection of objects as Faulty objects to the Framework depending on the executor implementation

Supported API: true

Parameters:

associatedObjects - The Collection to be marked as Faulty

exc - The Exception encountered while processing the associatedObjects

stageName - The Name of the stage during which the Exception occurred

errorMessage - The Error Message to show the user

Throws:

WTException

reportFaulty

public void reportFaulty(Persistable persistable,
 WTException exc,
 String stageName,
 String errorMessage)
                  throws WTException

Reports the Persistable object as Faulty objects to the Framework depending on the executor implementation

Supported API: true

Parameters:

persistable - The Object that will be marked faulty in case exception occurs

exc - The Exception encountered while processing the associatedObjects

stageName - The Name of the stage during which the Exception occurred

errorMessage - The Error Message to show the user

Throws:

WTException

reportFaulty

public void reportFaulty(ObjectReference objRefn,
 WTException exc,
 String stageName,
 String errorMessage)
                  throws WTException

Reports the ObjectIdentifier object as Faulty objects to the Framework depending on the executor implementation

Supported API: true

Parameters:

objRefn - The Object that will be marked faulty in case exception occurs

exc - The Exception encountered while processing the associatedObjects

stageName - The Name of the stage during which the Exception occurred

errorMessage - The Error Message to show the user

Throws:

WTException

reportError

public void reportError(WTException exc,
 String stageName,
 String errorMessage)
                 throws WTException

Reports an error to the Framework depending on the executor implementation

Supported API: true

Parameters:

exc - The Exception encountered while processing the associatedObjects

stageName - The Name of the stage during which the Exception occurred

errorMessage - The Error Message to show the user

Throws:

WTException

processDependencies

public void processDependencies(Map<ObjectIdentifier,? extends QueryKey> dependentToPrimaryMap)

Process the dependencies for fault tolerance. Dependents would be marked based on faulty primary objects
Dependency graph of All dependent to primary is expected to be passed (no knowledge of faulty primary required)
Supported API: true

Parameters:

dependentObjectId - dependency graph of dependent to primary

faultyObjectRefn -

processDependency

public void processDependency(ObjectIdentifier dependentRefn,
 QueryKey primaryRefn)

Process the dependencies for fault tolerance. Dependents would be marked if primary object is faulty
Single object flavor of preferable processDependencies(Map) and recommended to be referred for details Supported API: true

Parameters:

dependentRefn -

primaryRefn -