Package com.orientechnologies.orient.graph.gremlin

Class OCommandGremlinExecutor

java.lang.Object

com.orientechnologies.common.parser.OBaseParser

com.orientechnologies.orient.core.command.OCommandExecutorAbstract

com.orientechnologies.orient.graph.gremlin.OCommandGremlinExecutor

All Implemented Interfaces:

OCommandExecutor

public class OCommandGremlinExecutor
extends OCommandExecutorAbstract

Executes a GREMLIN command.

Author:

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

Field Summary

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
OCommandGremlinExecutor()

Method Summary

Modifier and Type	Method	Description
Object	execute(Map<Object,Object> iArgs)	Execute the requested command parsed previously.
boolean	isIdempotent()	Returns true if the command doesn't change the database, otherwise false.
<RET extends OCommandExecutor> RET	parse(OCommandRequest iRequest)	Parse the request.
protected void	throwSyntaxErrorException(String iText)	Throws a syntax error exception.

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

checkInterruption, checkInterruption, getContext, getDatabase, getDistributedResultManagement, getDistributedTimeout, 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, getSyntax, 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.OCommandExecutor

getSyntax

Constructor Details

OCommandGremlinExecutor

public OCommandGremlinExecutor()

Method Details

parse

public <RET extends OCommandExecutor> RET 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.

Parameters:

iRequest - Command request implementation.

Returns:

See Also:

• #execute(Map<Object, Object>...)

execute

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

Description copied from interface: OCommandExecutor

Execute the requested command parsed previously.

Parameters:

iArgs - Optional variable arguments to pass to the command.

Returns:

See Also:

• OCommandExecutor.parse(OCommandRequest)

isIdempotent

public boolean isIdempotent()

Description copied from interface: OCommandExecutor

Returns true if the command doesn't change the database, otherwise false.

throwSyntaxErrorException

protected void throwSyntaxErrorException(String iText)

Description copied from class: OBaseParser

Throws a syntax error exception.

Specified by:

throwSyntaxErrorException in class OBaseParser

Parameters:

iText - Text about the problem.