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51Degrees Pipeline Java  4.4

51Degrees Pipeline for Java

fiftyone.pipeline.engines.services.DataUpdateService Interface Reference

Detailed Description

The data update service keeps AspectEngine’s data files up to date.

See also
Specification

Inheritance diagram for fiftyone.pipeline.engines.services.DataUpdateService:

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Collaboration diagram for fiftyone.pipeline.engines.services.DataUpdateService:

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Classes

enum  AutoUpdateStatus
Status code indicating the result of an update. More...
class  DataUpdateCompleteArgs

Public Member Functions

AutoUpdateStatus  checkForUpdate (OnPremiseAspectEngine<? extends AspectData, ? extends AspectPropertyMetaData > engine, String dataFileIdentifier)
Check for an available download of a new data file, or a local data file newer than the one currently in use. More...
AutoUpdateStatus  checkForUpdate (OnPremiseAspectEngine<? extends AspectData, ? extends AspectPropertyMetaData > engine)
Check for an available download of a new data file, or a local data file newer than the one currently in use. More...
AutoUpdateStatus  updateFromMemory (AspectEngineDataFile engine, byte[] data)
Update the Engine with the byte array provided. More...
void  onUpdateComplete (OnUpdateComplete onUpdateComplete)
Add an event handler fired when a call to checkForUpdate(OnPremiseAspectEngine) is completed. More...
void  registerDataFile (AspectEngineDataFile dataFile)
Register an engine to be automatically kept up to data. More...
void  unregisterDataFile (AspectEngineDataFile dataFile)
Un-register a data file which was registered with the registerDataFile(AspectEngineDataFile) method. More...

Member Function Documentation

◆ checkForUpdate() [1/2]

AutoUpdateStatus fiftyone.pipeline.engines.services.DataUpdateService.checkForUpdate ( OnPremiseAspectEngine<? extends AspectData, ? extends AspectPropertyMetaData >   engine,
String   dataFileIdentifier  
)

Check for an available download of a new data file, or a local data file newer than the one currently in use.

If either is the case, then the engine is updated with the new data. The engine does not need to be registered with the service for this method to be used.

Parameters
engine - AspectEngine to try updating
dataFileIdentifier - the identifier of the data file to check for. If the engine has only one data file then this parameter is ignored
Returns
AutoUpdateStatus#AUTO_UPDATE_SUCCESS if the data file was successfully updated

Implemented in fiftyone.pipeline.engines.services.DataUpdateServiceDefault.

◆ checkForUpdate() [2/2]

AutoUpdateStatus fiftyone.pipeline.engines.services.DataUpdateService.checkForUpdate ( OnPremiseAspectEngine<? extends AspectData, ? extends AspectPropertyMetaData >   engine )

Check for an available download of a new data file, or a local data file newer than the one currently in use.

If either is the case, then the engine is updated with the new data. The engine does not need to be registered with the service for this method to be used.

Parameters
engine - AspectEngine to try updating
Returns
AutoUpdateStatus#AUTO_UPDATE_SUCCESS if the data file was successfully updated

Implemented in fiftyone.pipeline.engines.services.DataUpdateServiceDefault.

◆ registerDataFile()

void fiftyone.pipeline.engines.services.DataUpdateService.registerDataFile ( AspectEngineDataFile   dataFile )

Register an engine to be automatically kept up to data.

Tasks will be scheduled for downloading and updating when new data files are expected. A regular task is also run to update an engine if the local data file is newer than the one in use.

Parameters
dataFile - data file to register

Implemented in fiftyone.pipeline.engines.services.DataUpdateServiceDefault.

◆ updateFromMemory()

AutoUpdateStatus fiftyone.pipeline.engines.services.DataUpdateService.updateFromMemory ( AspectEngineDataFile   engine,
byte []   data  
)

Update the Engine with the byte array provided.

If the Engine is is using data on disk, then the file is replaced with the new data.

Parameters
engine - AspectEngine to try updating
data - new data file in memory
Returns
AutoUpdateStatus#AUTO_UPDATE_SUCCESS if the data file was successfully updated

Implemented in fiftyone.pipeline.engines.services.DataUpdateServiceDefault.

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