org.nuxeo.ecm.platform.rendition.lazy

Class AbstractRenditionBuilderWork

java.lang.Object

org.nuxeo.ecm.core.work.AbstractWork

org.nuxeo.ecm.core.transientstore.work.TransientStoreWork

org.nuxeo.ecm.platform.rendition.lazy.AbstractRenditionBuilderWork

All Implemented Interfaces:

Serializable, Work

Direct Known Subclasses:

AutomationRenditionBuilder

public abstract class AbstractRenditionBuilderWork
extends TransientStoreWork

Since:

7.2

Author:

Tiry

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.nuxeo.ecm.core.work.api.Work

Work.Progress, Work.State

Field Summary

Fields

Modifier and Type	Field and Description
static String	CATEGORY
protected DocumentRef	docRef
protected String	key
protected static org.apache.commons.logging.Log	log
protected String	renditionName

Fields inherited from class org.nuxeo.ecm.core.transientstore.work.TransientStoreWork

entryKey, KEY_SUFFIX, STORE_NAME

Fields inherited from class org.nuxeo.ecm.core.work.AbstractWork

callerThread, completionTime, docId, docIds, FAILURE_EXCEPTION, FAILURE_MSG, id, isTree, loginContext, originatingUsername, progress, RANDOM, repositoryName, schedulePath, schedulingTime, session, startTime, state, status, suspended, suspending, WORK_FAILED_EVENT, WORK_INSTANCE

Constructor Summary

Constructors

Constructor and Description
AbstractRenditionBuilderWork(String key, DocumentModel doc, RenditionDefinition def)

Method Summary

Modifier and Type	Method and Description
protected String	buildId(DocumentModel doc, RenditionDefinition def)
void	cleanUp(boolean ok, Exception e) This method is called after AbstractWork.work() is done in a finally block, whether work completed normally or was in error or was interrupted.
protected abstract List<Blob>	doComputeRendition(CoreSession session, DocumentModel doc, RenditionDefinition def) Does the actual Rendition Computation : this code will be called from inside an Asynchronous Work
String	getCategory() Gets the category for this work.
protected String	getSourceDocumentModificationDate(DocumentModel doc)
String	getTitle() Gets a human-readable name for this work instance.
protected String	getTransientStoreName()
boolean	isCoalescing() When setting the coalescing flag to true you indicate to the work manager that if multiple works with the same id are scheduled you only care about the lastest execution.
boolean	isIdempotent() Returns true if a work with a given Work.getId() should always produce the same result.
void	work() This method should implement the actual work done by the Work instance.

Methods inherited from class org.nuxeo.ecm.core.transientstore.work.TransientStoreWork

computeEntryKey, computeEntryKey, containsBlobHolder, getBlobHolder, getEntryKey, getStore, putBlobHolder, putBlobHolder, removeBlobHolder

Methods inherited from class org.nuxeo.ecm.core.work.AbstractWork

buildWorkFailureEventProps, closeSession, commitOrRollbackTransaction, equals, getCompletionTime, getDocument, getDocuments, getId, getOriginatingUsername, getPartitionKey, getProgress, getRetryCount, getSchedulePath, getSchedulingTime, getStartTime, getStatus, getWorkInstanceState, hashCode, initSession, initSession, isDocumentTree, isSuspending, isWorkInstanceSuspended, newDocumentLocation, openSystemSession, openUserSession, run, runWorkWithTransaction, setCompletionTime, setDocument, setDocument, setDocuments, setOriginatingUsername, setProgress, setSchedulePath, setStartTime, setStatus, setWorkInstanceState, setWorkInstanceSuspending, startTransaction, suspended, toString, workFailed

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

key

protected final String key

docRef

protected final DocumentRef docRef

renditionName

protected final String renditionName

log

protected static org.apache.commons.logging.Log log

CATEGORY

public static final String CATEGORY

See Also:

Constant Field Values

Constructor Detail

AbstractRenditionBuilderWork

public AbstractRenditionBuilderWork(String key,
                                    DocumentModel doc,
                                    RenditionDefinition def)

Method Detail

buildId

protected String buildId(DocumentModel doc,
                         RenditionDefinition def)

getTitle

public String getTitle()

Description copied from interface: Work

Gets a human-readable name for this work instance.

Returns:

a human-readable name

getCategory

public String getCategory()

Description copied from interface: Work

Gets the category for this work.

Used to choose an execution queue.

Specified by:

getCategory in interface Work

Overrides:

getCategory in class AbstractWork

Returns:

the category, or null for the default

getTransientStoreName

protected String getTransientStoreName()

isIdempotent

public boolean isIdempotent()

Description copied from interface: Work

Returns true if a work with a given Work.getId() should always produce the same result. The WorkManager implementation can safely skip duplicate executions of idempotent work.

isCoalescing

public boolean isCoalescing()

Description copied from interface: Work

When setting the coalescing flag to true you indicate to the work manager that if multiple works with the same id are scheduled you only care about the lastest execution. The goal is to skip useless executions to save resources, It is up to the work manager implementation to support or not this optimization.

work

public void work()

Description copied from interface: Work

This method should implement the actual work done by the Work instance.

It should periodically update its progress through Work.setProgress(org.nuxeo.ecm.core.work.api.Work.Progress).

To allow for suspension by the WorkManager, it should periodically call Work.isSuspending(), and if true call Work.suspended() return early with saved state data.

Clean up can by implemented by #cleanUp().

Specified by:

work in interface Work

Specified by:

work in class AbstractWork

See Also:

Work.isSuspending(), Work.suspended(), Work.cleanUp(boolean, java.lang.Exception)

cleanUp

public void cleanUp(boolean ok,
                    Exception e)

Description copied from class: AbstractWork

This method is called after AbstractWork.work() is done in a finally block, whether work completed normally or was in error or was interrupted.

Specified by:

cleanUp in interface Work

Overrides:

cleanUp in class AbstractWork

Parameters:

ok - true if the work completed normally

e - the exception, if available

getSourceDocumentModificationDate

protected String getSourceDocumentModificationDate(DocumentModel doc)

doComputeRendition

protected abstract List<Blob> doComputeRendition(CoreSession session,
                                                 DocumentModel doc,
                                                 RenditionDefinition def)

Does the actual Rendition Computation : this code will be called from inside an Asynchronous Work

Parameters:

session -

doc -

def -

Returns: