Package com.orientechnologies.orient.core.sql

Class OCommandExecutorSQLCreateClass

java.lang.Object

com.orientechnologies.common.parser.OBaseParser

com.orientechnologies.orient.core.command.OCommandExecutorAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLCreateClass

All Implemented Interfaces:

OCommandDistributedReplicateRequest, OCommandExecutor

public class OCommandExecutorSQLCreateClass
extends OCommandExecutorSQLAbstract
implements OCommandDistributedReplicateRequest

SQL CREATE CLASS command: Creates a new property in the target class.

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	KEYWORD_ABSTRACT
static final String	KEYWORD_CLASS
static final String	KEYWORD_CLUSTER
static final String	KEYWORD_CLUSTERS
static final String	KEYWORD_CREATE
static final String	KEYWORD_EXISTS
static final String	KEYWORD_EXTENDS
static final String	KEYWORD_IF
static final String	KEYWORD_NOT

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
OCommandExecutorSQLCreateClass()

Method Summary

Modifier and Type	Method	Description
Object	execute(Map<Object,Object> iArgs)	Execute the CREATE CLASS.
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()
String	getUndoCommand()	Returns the undo command if any.
boolean	involveSchema()
boolean	isDistributedExecutingOnLocalNodeFirst()	Returns true if the command is executed on local node first and then distributed, or false if it's executed to all the servers at the same time.
OCommandExecutorSQLCreateClass	parse(OCommandRequest iRequest)	Parse the request.

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

bindDefaultContextVariables, checkClusterAccess, decodeClassName, getDistributedExecutionMode, 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, init, isCacheable, 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

getDistributedExecutionMode, getDistributedResultManagement

Field Details

KEYWORD_CREATE

public static final String KEYWORD_CREATE

See Also:

• Constant Field Values

KEYWORD_CLASS

public static final String KEYWORD_CLASS

See Also:

• Constant Field Values

KEYWORD_EXTENDS

public static final String KEYWORD_EXTENDS

See Also:

• Constant Field Values

KEYWORD_ABSTRACT

public static final String KEYWORD_ABSTRACT

See Also:

• Constant Field Values

KEYWORD_CLUSTER

public static final String KEYWORD_CLUSTER

See Also:

• Constant Field Values

KEYWORD_CLUSTERS

public static final String KEYWORD_CLUSTERS

See Also:

• Constant Field Values

KEYWORD_IF

public static final String KEYWORD_IF

See Also:

• Constant Field Values

KEYWORD_NOT

public static final String KEYWORD_NOT

See Also:

• Constant Field Values

KEYWORD_EXISTS

public static final String KEYWORD_EXISTS

See Also:

• Constant Field Values

Constructor Details

OCommandExecutorSQLCreateClass

public OCommandExecutorSQLCreateClass()

Method Details

parse

public OCommandExecutorSQLCreateClass 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>...)

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

isDistributedExecutingOnLocalNodeFirst

public boolean isDistributedExecutingOnLocalNodeFirst()

Description copied from interface: OCommandDistributedReplicateRequest

Returns true if the command is executed on local node first and then distributed, or false if it's executed to all the servers at the same time.

Specified by:

isDistributedExecutingOnLocalNodeFirst in interface OCommandDistributedReplicateRequest

Overrides:

isDistributedExecutingOnLocalNodeFirst 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

execute

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

Execute the CREATE CLASS.

Specified by:

execute in interface OCommandExecutor

Parameters:

iArgs - Optional variable arguments to pass to the command.

Returns:

See Also:

• OCommandExecutor.parse(OCommandRequest)

getSyntax

public String getSyntax()

Specified by:

getSyntax in interface OCommandExecutor

Overrides:

getSyntax in class OBaseParser

getUndoCommand

public String getUndoCommand()

Description copied from interface: OCommandDistributedReplicateRequest

Returns the undo command if any.

Specified by:

getUndoCommand in interface OCommandDistributedReplicateRequest

Overrides:

getUndoCommand in class OCommandExecutorAbstract

involveSchema

public boolean involveSchema()

Specified by:

involveSchema in interface OCommandExecutor

Overrides:

involveSchema in class OCommandExecutorAbstract