com.orientechnologies.orient.core.sql.operator

Class OQueryOperatorInstanceof

java.lang.Object

com.orientechnologies.orient.core.sql.operator.OQueryOperator

com.orientechnologies.orient.core.sql.operator.OQueryOperatorEquality

com.orientechnologies.orient.core.sql.operator.OQueryOperatorEqualityNotNulls

com.orientechnologies.orient.core.sql.operator.OQueryOperatorInstanceof

public class OQueryOperatorInstanceof
extends OQueryOperatorEqualityNotNulls

EQUALS operator.

Author:

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

Nested Class Summary

Nested classes/interfaces inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

OQueryOperator.ORDER

Field Summary

Fields inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

DEFAULT_OPERATORS_ORDER, expectedRightWords, expectsParameters, keyword, precedence, unary

Constructor Summary

Constructors

Constructor and Description
OQueryOperatorInstanceof()

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluateExpression(OIdentifiable iRecord, OSQLFilterCondition iCondition, Object iLeft, Object iRight, OCommandContext iContext)
ORID	getBeginRidRange(Object iLeft, Object iRight)
ORID	getEndRidRange(Object iLeft, Object iRight)
OIndexReuseType	getIndexReuseType(Object iLeft, Object iRight) Returns hint how index can be used to calculate result of operator execution.

Methods inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperatorEqualityNotNulls

evaluateRecord

Methods inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperatorEquality

evaluate

Methods inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

canBeMerged, canShortCircuit, compare, configure, executeIndexQuery, getOIndexSearchResult, getSyntax, isSupportingBinaryEvaluate, isUnary, toString, updateProfiler

Methods inherited from class java.lang.Object

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

Constructor Detail

OQueryOperatorInstanceof

public OQueryOperatorInstanceof()

Method Detail

evaluateExpression

protected boolean evaluateExpression(OIdentifiable iRecord,
                                     OSQLFilterCondition iCondition,
                                     Object iLeft,
                                     Object iRight,
                                     OCommandContext iContext)

Specified by:

evaluateExpression in class OQueryOperatorEquality

getIndexReuseType

public OIndexReuseType getIndexReuseType(Object iLeft,
                                         Object iRight)

Description copied from class: OQueryOperator

Returns hint how index can be used to calculate result of operator execution.

Specified by:

getIndexReuseType in class OQueryOperator

Parameters:

iLeft - Value of left query parameter.

iRight - Value of right query parameter.

Returns:

Hint how index can be used to calculate result of operator execution.

getBeginRidRange

public ORID getBeginRidRange(Object iLeft,
                             Object iRight)

Specified by:

getBeginRidRange in class OQueryOperator

getEndRidRange

public ORID getEndRidRange(Object iLeft,
                           Object iRight)

Specified by:

getEndRidRange in class OQueryOperator