agents.stablestorage.StableStorageImpl Class Reference

Inherits agents.stablestorage.StableStorage.

Inheritance diagram for agents.stablestorage.StableStorageImpl:

[legend]Collaboration diagram for agents.stablestorage.StableStorageImpl:[legend]List of all members.

Public Member Functions
boolean	saveCheckpoint (String appExecutionId, Checkpoint checkpoint)
byte[]	retrieveCheckpoint (String appExecutionId)
boolean	removeCheckpoint (String appExecutionId)
Static Public Attributes
static final String	checkpointDir = "stablestorage/checkpoints"
Protected Member Functions
void	setup ()
Private Member Functions
boolean	storeCheckpoint (String appExecutionId, Object checkpoint)
Private Attributes
ContentManager	manager = getContentManager()
Codec	codec = new LEAPCodec()
Ontology	ontology = MAGOntology.getInstance()

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Detailed Description

Class StableStorageImpl - Implementation of StableStorage

The StableStorageImpl it acts as a stationary agent who is responsible for storing checkpoints of the applications in execution in the grating. It stores checkpoints supplied by each requested MagAgent and also he returns checkpoints for a MagAgent for one determined application.

Author:

Bysmarck Barros de Sousa

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Member Function Documentation

boolean agents.stablestorage.StableStorageImpl.removeCheckpoint (  String  appExecutionId  )

This method removes checkpoint information from the application whose Id of execution is appExecutionId Parameters: appExecutionId  The Id execution Returns: boolean If true, success, otherwise, false Implements agents.stablestorage.StableStorage.

byte [] agents.stablestorage.StableStorageImpl.retrieveCheckpoint (  String  appExecutionId  )

This method returns checkpoint information from the application whose Id of execution is appExecutionId Parameters: appExecutionId  the execution id Returns: the checkpoint object as a byte array Implements agents.stablestorage.StableStorage.

boolean agents.stablestorage.StableStorageImpl.saveCheckpoint (  String  appExecutionId, Checkpoint  checkpoint )

This method is responsable for save checkpoint object Parameters: appExecutionId  application execution id checkpoint  the object (as a byte array) that contains the checkpoint information Returns: boolean true if success, otherwise false Implements agents.stablestorage.StableStorage.

void agents.stablestorage.StableStorageImpl.setup (   )  [protected]

boolean agents.stablestorage.StableStorageImpl.storeCheckpoint (  String  appExecutionId, Object  checkpoint )  [private]

This method storage checkpoint information. It associate the Id execution of application with checkpoint object. Parameters: appExecutionId  The Id execution checkpoint  The object that contains the checkpoint information Returns: boolean If true, success, otherwise, false

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Member Data Documentation

final String agents.stablestorage.StableStorageImpl.checkpointDir = "stablestorage/checkpoints" [static]

Codec agents.stablestorage.StableStorageImpl.codec = new LEAPCodec() [private]

ContentManager agents.stablestorage.StableStorageImpl.manager = getContentManager() [private]

Ontology agents.stablestorage.StableStorageImpl.ontology = MAGOntology.getInstance() [private]

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The documentation for this class was generated from the following file:

• StableStorageImpl.java

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