Package com.orientechnologies.orient.core.sql

Class OCommandExecutorSQLFindReferences

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.OCommandExecutorSQLResultsetAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLEarlyResultsetAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLFindReferences

All Implemented Interfaces:

OCommandDistributedReplicateRequest, OCommandExecutor, OIterableRecordSource, Iterable<OIdentifiable>

public class OCommandExecutorSQLFindReferences
extends OCommandExecutorSQLEarlyResultsetAbstract

FIND REFERENCES command: Finds references to records in all or part of database

Author:

Luca Molino

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_FIND
static final String	KEYWORD_REFERENCES

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

compiledFilter, KEYWORD_FROM_2FIND, KEYWORD_LET_2FIND, lazyIteration, let, parsedTarget, request, resultCount, serialTempRID, skip, target, tempResult

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
OCommandExecutorSQLFindReferences()

Method Summary

Modifier and Type	Method	Description
Object	execute(Map<Object,Object> iArgs)	Execute the FIND REFERENCES.
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()
OCommandExecutorSQLFindReferences	parse(OCommandRequest iRequest)	Compile the filter conditions only the first time.

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

iterator, iterator

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

applyLimitAndSkip, assignLetClauses, assignTarget, evaluateRecord, filter, getDistributedExecutionMode, getDistributedResultManagement, getRange, getResult, getResultInstance, getTarget, handleResult, isCacheable, isIdempotent, isLazyIteration, isUseCache, mergeResults, optimize, optimizeBranch, optimizeFunction, parseLet, parseLimit, parseSkip, pushResult, searchInClasses, searchInClasses, searchInClasses, searchInClusters, setCompiledFilter, setLazyIteration, setParsedTarget, setRequest, setTarget

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

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

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

checkInterruption, checkInterruption, getContext, getDatabase, getDistributedTimeout, getFetchPlan, getInvolvedClusters, getLimit, getParameters, getProgressListener, getSecurityOperationType, getUndoCommand, init, involveSchema, isDistributedExecutingOnLocalNodeFirst, isLocalExecution, 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 java.lang.Iterable

forEach, spliterator

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

getDistributedTimeout, getUndoCommand, isDistributedExecutingOnLocalNodeFirst

Field Details

KEYWORD_FIND

public static final String KEYWORD_FIND

See Also:

• Constant Field Values

KEYWORD_REFERENCES

public static final String KEYWORD_REFERENCES

See Also:

• Constant Field Values

Constructor Details

OCommandExecutorSQLFindReferences

public OCommandExecutorSQLFindReferences()

Method Details

parse

public OCommandExecutorSQLFindReferences parse(OCommandRequest iRequest)

Description copied from class: OCommandExecutorSQLResultsetAbstract

Compile the filter conditions only the first time.

Specified by:

parse in interface OCommandExecutor

Overrides:

parse in class OCommandExecutorSQLResultsetAbstract

Parameters:

iRequest - Command request implementation.

Returns:

See Also:

• #execute(Map<Object, Object>...)

execute

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

Execute the FIND REFERENCES.

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

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