com.orientechnologies.orient.server.distributed.impl.task

Class OUnreachableServerLocalTask

java.lang.Object

com.orientechnologies.orient.server.distributed.task.OAbstractRemoteTask

com.orientechnologies.orient.server.distributed.impl.task.OUnreachableServerLocalTask

All Implemented Interfaces:

ORemoteTask

public class OUnreachableServerLocalTask
extends OAbstractRemoteTask

Task executed when a server becomes unreachable. It's responsible to rollback all the transactions and free all the locks owned by the unreachable server. This is executed as task to block any concurrent operation and to be in the request queue after any request sent by the unreachable server and not executed yet.

Author:

Luca Garulli (l.garulli--at--orientdb.com)

Nested Class Summary

Nested classes/interfaces inherited from interface com.orientechnologies.orient.server.distributed.task.ORemoteTask

ORemoteTask.RESULT_STRATEGY

Field Summary

Fields

Modifier and Type	Field and Description
static int	FACTORYID

Fields inherited from class com.orientechnologies.orient.server.distributed.task.OAbstractRemoteTask

ALL, ANY, FAST_NOLOCK, LOCK, nodeSource

Constructor Summary

Constructors

Constructor and Description
OUnreachableServerLocalTask(String unreachableServer)

Method Summary

Modifier and Type	Method and Description
Object	execute(ODistributedRequestId msgId, OServer iServer, ODistributedServerManager iManager, ODatabaseDocumentInternal database)
long	getDistributedTimeout()
int	getFactoryId()
String	getName()
int[]	getPartitionKey() Execute the task with no concurrency.
OCommandDistributedReplicateRequest.QUORUM_TYPE	getQuorumType()
boolean	hasResponse()
boolean	isNodeOnlineRequired()
String	toString()

Methods inherited from class com.orientechnologies.orient.server.distributed.task.OAbstractRemoteTask

checkIsValid, fromStream, getNodeSource, getResultStrategy, getSynchronousTimeout, getTotalTimeout, isIdempotent, isUsingDatabase, setNodeSource, toStream

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.server.distributed.task.ORemoteTask

finished, received

Field Detail

FACTORYID

public static final int FACTORYID

See Also:

Constant Field Values

Constructor Detail

OUnreachableServerLocalTask

public OUnreachableServerLocalTask(String unreachableServer)

Method Detail

getPartitionKey

public int[] getPartitionKey()

Execute the task with no concurrency.

Specified by:

getPartitionKey in interface ORemoteTask

Overrides:

getPartitionKey in class OAbstractRemoteTask

execute

public Object execute(ODistributedRequestId msgId,
                      OServer iServer,
                      ODistributedServerManager iManager,
                      ODatabaseDocumentInternal database)
               throws Exception

Specified by:

execute in interface ORemoteTask

Specified by:

execute in class OAbstractRemoteTask

Throws:

Exception

hasResponse

public boolean hasResponse()

Specified by:

hasResponse in interface ORemoteTask

Overrides:

hasResponse in class OAbstractRemoteTask

getName

public String getName()

Specified by:

getName in interface ORemoteTask

Specified by:

getName in class OAbstractRemoteTask

getDistributedTimeout

public long getDistributedTimeout()

Specified by:

getDistributedTimeout in interface ORemoteTask

Overrides:

getDistributedTimeout in class OAbstractRemoteTask

getQuorumType

public OCommandDistributedReplicateRequest.QUORUM_TYPE getQuorumType()

Specified by:

getQuorumType in interface ORemoteTask

Specified by:

getQuorumType in class OAbstractRemoteTask

isNodeOnlineRequired

public boolean isNodeOnlineRequired()

Specified by:

isNodeOnlineRequired in interface ORemoteTask

Overrides:

isNodeOnlineRequired in class OAbstractRemoteTask

getFactoryId

public int getFactoryId()

toString

public String toString()

Overrides:

toString in class OAbstractRemoteTask