Package fr.gouv.vitam.worker.core.plugin.traceability

Class VerifyMerkleTreeActionHandler

java.lang.Object

fr.gouv.vitam.worker.core.handler.ActionHandler

fr.gouv.vitam.worker.core.plugin.traceability.VerifyMerkleTreeActionHandler

All Implemented Interfaces:

VitamAutoCloseable, AutoCloseable

public class VerifyMerkleTreeActionHandler
extends ActionHandler

Using Merkle trees to detect inconsistencies in data

Constructor Summary

Constructors

Constructor	Description
VerifyMerkleTreeActionHandler()

Method Summary

Modifier and Type	Method	Description
void	checkMandatoryIOParameter(HandlerIO handler)	Check mandatory parameter
static MerkleTreeAlgo	computeMerkleTree(InputStream inputStream, DigestType digestType)	Compute merkle tree
ItemStatus	execute(WorkerParameters params, HandlerIO handler)	Execute an action
static String	getId()

Methods inherited from class fr.gouv.vitam.worker.core.handler.ActionHandler

checkMandatoryParameters, close, executeList, updateDetailItemStatus

Methods inherited from class java.lang.Object

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

Constructor Details

VerifyMerkleTreeActionHandler

public VerifyMerkleTreeActionHandler()

Method Details

getId

public static String getId()

Returns:

HANDLER_ID

execute

public ItemStatus execute(WorkerParameters params,
 HandlerIO handler)
                   throws ProcessingException

Description copied from class: ActionHandler

Execute an action

Overrides:

execute in class ActionHandler

Parameters:

params - WorkerParameters

handler - the handlerIo

Returns:

CompositeItemStatus:response contains a list of functional message and status code

Throws:

ProcessingException - if an error is encountered when executing the action

computeMerkleTree

public static MerkleTreeAlgo computeMerkleTree(InputStream inputStream,
 DigestType digestType)
                                        throws ProcessingException

Compute merkle tree

Parameters:

inputStream -

digestType -

Returns:

the computed Merkle tree

Throws:

ProcessingException

checkMandatoryIOParameter

public void checkMandatoryIOParameter(HandlerIO handler)
                               throws ProcessingException

Description copied from class: ActionHandler

Check mandatory parameter

Overrides:

checkMandatoryIOParameter in class ActionHandler

Parameters:

handler - input output list

Throws:

ProcessingException - when handler io is not complete