com.bigdata.rdf.internal.constraints

Class LangMatchesBOp

java.lang.Object

com.bigdata.bop.CoreBaseBOp

com.bigdata.bop.BOpBase

com.bigdata.rdf.internal.constraints.IVValueExpression<XSDBooleanIV>

com.bigdata.rdf.internal.constraints.XSDBooleanIVValueExpression

com.bigdata.rdf.internal.constraints.LangMatchesBOp

All Implemented Interfaces:

BOp, IValueExpression<XSDBooleanIV>, INeedsMaterialization, IPropertySet, Serializable, Cloneable

public class LangMatchesBOp
extends XSDBooleanIVValueExpression
implements INeedsMaterialization

Implements the langMatches SPARQL operator.

See Also:

http://www.w3.org/TR/sparql11-query/#func-langMatches, http://www.ietf.org/rfc/rfc4647.txt, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.bigdata.rdf.internal.constraints.IVValueExpression

IVValueExpression.Annotations

Nested classes/interfaces inherited from interface com.bigdata.rdf.internal.constraints.INeedsMaterialization

INeedsMaterialization.Requirement

Field Summary

Fields inherited from class com.bigdata.bop.CoreBaseBOp

DEFAULT_INITIAL_CAPACITY

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Constructor Summary

Constructors

Constructor and Description
LangMatchesBOp(BOp[] args, Map<String,Object> anns) Required shallow copy constructor.
LangMatchesBOp(IValueExpression<? extends IV> tag, IValueExpression<? extends IV> range)
LangMatchesBOp(LangMatchesBOp op) Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	accept(IBindingSet bs) Implement this method.
INeedsMaterialization.Requirement	getRequirement() This bop can only work with materialized terms.

Methods inherited from class com.bigdata.rdf.internal.constraints.XSDBooleanIVValueExpression

areGlobalsRequired, get, wrap

Methods inherited from class com.bigdata.rdf.internal.constraints.IVValueExpression

anns, asIV, asIV, asLiteral, asValue, get, getAndCheckBound, getAndCheckLiteral, getAndCheckLiteralValue, getLexiconConfiguration, getNamespace, getTimestamp, getValueFactory, literalLabel

Methods inherited from class com.bigdata.bop.BOpBase

__replaceArg, _clearProperty, _set, _setProperty, annotations, annotationsCopy, annotationsEqual, annotationsRef, argIterator, args, argsCopy, arity, clearAnnotations, clearProperty, deepCopy, deepCopy, getProperty, setArg, setProperty, setUnboundProperty, toArray, toArray

Methods inherited from class com.bigdata.bop.CoreBaseBOp

annotationsEqual, annotationsToString, annotationsToString, annotationValueToString, checkArgs, clone, equals, getEvaluationContext, getId, getProperty, getRequiredProperty, hashCode, indent, isController, mutation, shortenName, toShortString, toString, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.bigdata.bop.IValueExpression

toString

Methods inherited from interface com.bigdata.bop.BOp

annotations, argIterator, args, arity, clone, getEvaluationContext, getId, getProperty, getRequiredProperty, isController, setProperty, toArray, toArray, toShortString, toString

Methods inherited from interface cutthecrap.utils.striterators.IPropertySet

getProperty

Constructor Detail

LangMatchesBOp

public LangMatchesBOp(IValueExpression<? extends IV> tag,
              IValueExpression<? extends IV> range)

Parameters:

tag - The language tag.

range - The language range (allows "*", a language range such as "EN" or "DE", or an extended language range such as "de-DE" or "de-Latn-DE").

See Also:

http://www.ietf.org/rfc/rfc4647.txt

LangMatchesBOp

public LangMatchesBOp(BOp[] args,
              Map<String,Object> anns)

Required shallow copy constructor.

LangMatchesBOp

public LangMatchesBOp(LangMatchesBOp op)

Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

Method Detail

accept

protected boolean accept(IBindingSet bs)

Description copied from class: XSDBooleanIVValueExpression

Implement this method.

Specified by:

accept in class XSDBooleanIVValueExpression

Parameters:

bs - The source solution.

Returns:

true iff the function accepts the solution.

getRequirement

public INeedsMaterialization.Requirement getRequirement()

This bop can only work with materialized terms.

Specified by:

getRequirement in interface INeedsMaterialization