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

Class OSQLCommandTask

java.lang.Object

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

com.orientechnologies.orient.server.distributed.task.OAbstractReplicatedTask

com.orientechnologies.orient.server.distributed.task.OAbstractCommandTask

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

All Implemented Interfaces:

ORemoteTask

public class OSQLCommandTask
extends OAbstractCommandTask

Distributed task used for synchronization.

Author:

Luca Garulli (l.garulli--at--orientechnologies.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
protected Collection<String>	clusters
static int	FACTORYID
protected boolean	idempotent
protected Map<Object,Object>	params
protected OCommandDistributedReplicateRequest.QUORUM_TYPE	quorumType
protected ORemoteTask.RESULT_STRATEGY	resultStrategy
protected String	text
protected long	timeout

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

lastLSN

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

ALL, ANY, FAST_NOLOCK, LOCK, nodeSource

Constructor Summary

Constructors

Constructor and Description
OSQLCommandTask()
OSQLCommandTask(OCommandRequestText iCommand, Collection<String> iClusterNames)

Method Summary

Modifier and Type	Method and Description
Object	execute(ODistributedRequestId requestId, OServer iServer, ODistributedServerManager iManager, ODatabaseDocumentInternal database)
void	fromStream(DataInput in, ORemoteTaskFactory factory)
long	getDistributedTimeout()
int	getFactoryId()
String	getName()
OCommandDistributedReplicateRequest.QUORUM_TYPE	getQuorumType()
ORemoteTask.RESULT_STRATEGY	getResultStrategy()
ORemoteTask	getUndoTask(ODistributedServerManager dManager, ODistributedRequestId reqId, List<String> servers)
boolean	isIdempotent()
void	setResultStrategy(ORemoteTask.RESULT_STRATEGY resultStrategy)
void	toStream(DataOutput out)
String	toString()

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

getFixTask, getLastLSN

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

checkIsValid, getNodeSource, getPartitionKey, getSynchronousTimeout, getTotalTimeout, hasResponse, isNodeOnlineRequired, isUsingDatabase, setNodeSource

Methods inherited from class java.lang.Object

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

Field Detail

FACTORYID

public static final int FACTORYID

See Also:

Constant Field Values

text

protected String text

params

protected Map<Object,Object> params

resultStrategy

protected ORemoteTask.RESULT_STRATEGY resultStrategy

clusters

protected Collection<String> clusters

quorumType

protected OCommandDistributedReplicateRequest.QUORUM_TYPE quorumType

timeout

protected long timeout

idempotent

protected boolean idempotent

Constructor Detail

OSQLCommandTask

public OSQLCommandTask()

OSQLCommandTask

public OSQLCommandTask(OCommandRequestText iCommand,
                       Collection<String> iClusterNames)

Method Detail

execute

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

Specified by:

execute in interface ORemoteTask

Specified by:

execute in class OAbstractRemoteTask

Throws:

Exception

getQuorumType

public OCommandDistributedReplicateRequest.QUORUM_TYPE getQuorumType()

Specified by:

getQuorumType in interface ORemoteTask

Specified by:

getQuorumType in class OAbstractRemoteTask

getResultStrategy

public ORemoteTask.RESULT_STRATEGY getResultStrategy()

Specified by:

getResultStrategy in interface ORemoteTask

Specified by:

getResultStrategy in class OAbstractCommandTask

setResultStrategy

public void setResultStrategy(ORemoteTask.RESULT_STRATEGY resultStrategy)

Specified by:

setResultStrategy in class OAbstractCommandTask

getDistributedTimeout

public long getDistributedTimeout()

Specified by:

getDistributedTimeout in interface ORemoteTask

Overrides:

getDistributedTimeout in class OAbstractRemoteTask

toStream

public void toStream(DataOutput out)
              throws IOException

Specified by:

toStream in interface ORemoteTask

Overrides:

toStream in class OAbstractRemoteTask

Throws:

IOException

fromStream

public void fromStream(DataInput in,
                       ORemoteTaskFactory factory)
                throws IOException

Specified by:

fromStream in interface ORemoteTask

Overrides:

fromStream in class OAbstractRemoteTask

Throws:

IOException

getName

public String getName()

Specified by:

getName in interface ORemoteTask

Specified by:

getName in class OAbstractRemoteTask

toString

public String toString()

Overrides:

toString in class OAbstractRemoteTask

getUndoTask

public ORemoteTask getUndoTask(ODistributedServerManager dManager,
                               ODistributedRequestId reqId,
                               List<String> servers)

Overrides:

getUndoTask in class OAbstractReplicatedTask

isIdempotent

public boolean isIdempotent()

Specified by:

isIdempotent in interface ORemoteTask

Overrides:

isIdempotent in class OAbstractRemoteTask

getFactoryId

public int getFactoryId()