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

Class OAbstractSyncDatabaseTask

java.lang.Object

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

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

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

All Implemented Interfaces:

OCommandOutputListener, ORemoteTask

Direct Known Subclasses:

OSyncDatabaseTask

public abstract class OAbstractSyncDatabaseTask
extends OAbstractReplicatedTask
implements OCommandOutputListener

Abstract task for synchronization of database from a remote node.

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	CHUNK_MAX_SIZE
static String	DEPLOYDB
static int	FACTORYID
protected long	lastOperationTimestamp
protected long	random

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

Modifier	Constructor and Description
	OAbstractSyncDatabaseTask()
protected	OAbstractSyncDatabaseTask(long lastOperationTimestamp)

Method Summary

Modifier and Type	Method and Description
protected ODistributedDatabase	databaseIsOld(ODistributedServerManager iManager, String databaseName, ODistributedDatabase dDatabase)
long	getDistributedTimeout()
OCommandDistributedReplicateRequest.QUORUM_TYPE	getQuorumType()
ORemoteTask.RESULT_STRATEGY	getResultStrategy()
boolean	isNodeOnlineRequired()
void	onMessage(String iText)
protected void	readOptionalLSN(DataInput in)
protected void	writeOptionalLSN(DataOutput out)

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

getFixTask, getLastLSN, getUndoTask

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

checkIsValid, execute, fromStream, getName, getNodeSource, getPartitionKey, getSynchronousTimeout, getTotalTimeout, hasResponse, isIdempotent, isUsingDatabase, setNodeSource, toStream, toString

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, getFactoryId, received

Field Detail

CHUNK_MAX_SIZE

public static final int CHUNK_MAX_SIZE

See Also:

Constant Field Values

DEPLOYDB

public static final String DEPLOYDB

See Also:

Constant Field Values

FACTORYID

public static final int FACTORYID

See Also:

Constant Field Values

lastOperationTimestamp

protected long lastOperationTimestamp

random

protected long random

Constructor Detail

OAbstractSyncDatabaseTask

public OAbstractSyncDatabaseTask()

OAbstractSyncDatabaseTask

protected OAbstractSyncDatabaseTask(long lastOperationTimestamp)

Method Detail

getResultStrategy

public ORemoteTask.RESULT_STRATEGY getResultStrategy()

Specified by:

getResultStrategy in interface ORemoteTask

Overrides:

getResultStrategy in class OAbstractRemoteTask

getQuorumType

public OCommandDistributedReplicateRequest.QUORUM_TYPE getQuorumType()

Specified by:

getQuorumType in interface ORemoteTask

Specified by:

getQuorumType in class OAbstractRemoteTask

getDistributedTimeout

public long getDistributedTimeout()

Specified by:

getDistributedTimeout in interface ORemoteTask

Overrides:

getDistributedTimeout in class OAbstractRemoteTask

onMessage

public void onMessage(String iText)

Specified by:

onMessage in interface OCommandOutputListener

isNodeOnlineRequired

public boolean isNodeOnlineRequired()

Specified by:

isNodeOnlineRequired in interface ORemoteTask

Overrides:

isNodeOnlineRequired in class OAbstractRemoteTask

databaseIsOld

protected ODistributedDatabase databaseIsOld(ODistributedServerManager iManager,
                                             String databaseName,
                                             ODistributedDatabase dDatabase)

readOptionalLSN

protected void readOptionalLSN(DataInput in)
                        throws IOException

Throws:

IOException

writeOptionalLSN

protected void writeOptionalLSN(DataOutput out)
                         throws IOException

Throws:

IOException