Package com.orientechnologies.orient.server.distributed.sql

Class OCommandExecutorSQLHASyncCluster

java.lang.Object

com.orientechnologies.common.parser.OBaseParser

com.orientechnologies.orient.core.command.OCommandExecutorAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

com.orientechnologies.orient.server.distributed.sql.OCommandExecutorSQLHASyncCluster

All Implemented Interfaces:

OCommandDistributedReplicateRequest, OCommandExecutor

public class OCommandExecutorSQLHASyncCluster
extends OCommandExecutorSQLAbstract
implements OCommandDistributedReplicateRequest

SQL HA SYNC CLUSTER command: synchronizes a cluster from distributed servers.

Author:

Luca Garulli

Nested Class Summary

Nested classes/interfaces inherited from interface com.orientechnologies.orient.core.command.OCommandDistributedReplicateRequest

OCommandDistributedReplicateRequest.DISTRIBUTED_EXECUTION_MODE, OCommandDistributedReplicateRequest.DISTRIBUTED_RESULT_MGMT, OCommandDistributedReplicateRequest.QUORUM_TYPE

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME

Fields inherited from class com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

CLASS_PREFIX, CLUSTER_PREFIX, DEFAULT_PARAM_USER, DICTIONARY_PREFIX, INDEX_PREFIX, INDEX_VALUES_ASC_PREFIX, INDEX_VALUES_DESC_PREFIX, INDEX_VALUES_PREFIX, KEYWORD_FROM, KEYWORD_KEY, KEYWORD_LET, KEYWORD_LIMIT, KEYWORD_LOCK, KEYWORD_OFFSET, KEYWORD_RETURN, KEYWORD_RID, KEYWORD_SKIP, KEYWORD_TIMEOUT, KEYWORD_UNSAFE, KEYWORD_WHERE, METADATA_DATABASE, METADATA_DISTRIBUTED, METADATA_INDEXMGR, METADATA_PREFIX, METADATA_SCHEMA, METADATA_STORAGE, preParsedStatement, timeoutMs, timeoutStrategy

Fields inherited from class com.orientechnologies.orient.core.command.OCommandExecutorAbstract

context, limit, parameters, progressListener

Fields inherited from class com.orientechnologies.common.parser.OBaseParser

parserText, parserTextUpperCase

Constructor Summary

Constructors

Constructor	Description
OCommandExecutorSQLHASyncCluster()

Method Summary

Modifier and Type	Method	Description
Object	execute(Map<Object,Object> iArgs)	Execute the SYNC CLUSTER.
OCommandDistributedReplicateRequest.DISTRIBUTED_EXECUTION_MODE	getDistributedExecutionMode()	The command is replicated
long	getDistributedTimeout()	Returns the distributed timeout in milliseconds.
OCommandDistributedReplicateRequest.QUORUM_TYPE	getQuorumType()	Returns the quorum type for the command: NONE: no quorum READ: configured Read quorum WRITE: configured Write quorum ALL: all nodes
String	getSyntax()
OCommandExecutorSQLHASyncCluster	parse(OCommandRequest iRequest)	Parse the request.
static Object	replaceCluster(ODistributedPlugin dManager, ODatabaseDocumentInternal database, OServer serverInstance, String databaseName, String clusterName)
static Object	replaceCluster(ODistributedPlugin dManager, OServer serverInstance, String databaseName, String clusterName)
protected static long	writeDatabaseChunk(String iNodeName, int iChunkId, ODistributedDatabaseChunk chunk, FileOutputStream out)

Methods inherited from class com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

bindDefaultContextVariables, checkClusterAccess, decodeClassName, getInvolvedClustersOfClasses, getInvolvedClustersOfClusters, getInvolvedClustersOfIndex, isIdempotent, parseLock, parseTimeout, preParse, throwParsingException, throwParsingException, throwSyntaxErrorException

Methods inherited from class com.orientechnologies.orient.core.command.OCommandExecutorAbstract

checkInterruption, checkInterruption, getContext, getDatabase, getDistributedResultManagement, getFetchPlan, getInvolvedClusters, getLimit, getParameters, getProgressListener, getSecurityOperationType, getUndoCommand, init, involveSchema, isCacheable, isDistributedExecutingOnLocalNodeFirst, isLocalExecution, mergeResults, setContext, setLimit, setProgressListener, toString

Methods inherited from class com.orientechnologies.common.parser.OBaseParser

getLastWordLength, getWordStatic, nextWord, nextWord, parseOptionalWord, parserGetCurrentChar, parserGetCurrentPosition, parserGetLastSeparator, parserGetLastWord, parserGetPreviousPosition, parserGoBack, parserIsEnded, parserMoveCurrentPosition, parserNextChars, parserNextWord, parserNextWord, parserNextWord, parserOptionalKeyword, parserOptionalWord, parserRequiredKeyword, parserRequiredWord, parserRequiredWord, parserRequiredWord, parserSetCurrentPosition, parserSetEndOfText, parserSetLastSeparator, parserSkipWhiteSpaces

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.command.OCommandDistributedReplicateRequest

getDistributedResultManagement, getUndoCommand, isDistributedExecutingOnLocalNodeFirst

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

Constructor Details

OCommandExecutorSQLHASyncCluster

public OCommandExecutorSQLHASyncCluster()

Method Details

parse

public OCommandExecutorSQLHASyncCluster parse(OCommandRequest iRequest)

Description copied from interface: OCommandExecutor

Parse the request. Once parsed the command can be executed multiple times by using the execute() method.

Specified by:

parse in interface OCommandExecutor

Parameters:

iRequest - Command request implementation.

Returns:

See Also:

• #execute(Map<Object, Object>...)

execute

public Object execute(Map<Object,Object> iArgs)

Execute the SYNC CLUSTER.

Specified by:

execute in interface OCommandExecutor

Parameters:

iArgs - Optional variable arguments to pass to the command.

Returns:

See Also:

• OCommandExecutor.parse(OCommandRequest)

replaceCluster

public static Object replaceCluster(ODistributedPlugin dManager,
 ODatabaseDocumentInternal database,
 OServer serverInstance,
 String databaseName,
 String clusterName)
                             throws IOException

Throws:

IOException

replaceCluster

public static Object replaceCluster(ODistributedPlugin dManager,
 OServer serverInstance,
 String databaseName,
 String clusterName)

getDistributedExecutionMode

public OCommandDistributedReplicateRequest.DISTRIBUTED_EXECUTION_MODE getDistributedExecutionMode()

Description copied from class: OCommandExecutorSQLAbstract

The command is replicated

Specified by:

getDistributedExecutionMode in interface OCommandDistributedReplicateRequest

Overrides:

getDistributedExecutionMode in class OCommandExecutorSQLAbstract

getDistributedTimeout

public long getDistributedTimeout()

Description copied from interface: OCommandDistributedReplicateRequest

Returns the distributed timeout in milliseconds.

Specified by:

getDistributedTimeout in interface OCommandDistributedReplicateRequest

Specified by:

getDistributedTimeout in interface OCommandExecutor

Overrides:

getDistributedTimeout in class OCommandExecutorAbstract

getQuorumType

public OCommandDistributedReplicateRequest.QUORUM_TYPE getQuorumType()

Description copied from interface: OCommandDistributedReplicateRequest

Returns the quorum type for the command:

• NONE: no quorum
• READ: configured Read quorum
• WRITE: configured Write quorum
• ALL: all nodes

Specified by:

getQuorumType in interface OCommandDistributedReplicateRequest

getSyntax

public String getSyntax()

Specified by:

getSyntax in interface OCommandExecutor

Overrides:

getSyntax in class OBaseParser

writeDatabaseChunk

protected static long writeDatabaseChunk(String iNodeName,
 int iChunkId,
 ODistributedDatabaseChunk chunk,
 FileOutputStream out)
                                  throws IOException

Throws:

IOException