com.hp.hpl.jena.sparql.expr

Class E_Coalesce

java.lang.Object

com.hp.hpl.jena.sparql.expr.ExprNode

com.hp.hpl.jena.sparql.expr.ExprFunction

com.hp.hpl.jena.sparql.expr.ExprFunctionN

com.hp.hpl.jena.sparql.expr.E_Coalesce

All Implemented Interfaces:

Expr

public class E_Coalesce
extends ExprFunctionN

SPARQL coalesce special form.

Field Summary

Fields inherited from interface com.hp.hpl.jena.sparql.expr.Expr

CMP_EQUAL, CMP_GREATER, CMP_INDETERMINATE, CMP_LESS, CMP_UNEQUAL

Constructor Summary

Constructors

Constructor and Description
E_Coalesce(ExprList args)

Method Summary

Methods

Modifier and Type	Method and Description
NodeValue	evalSpecial(Binding binding, FunctionEnv env) Special form evaluation (example, don't eval the arguments first)

Methods inherited from class com.hp.hpl.jena.sparql.expr.ExprFunctionN

apply, applyNodeTransform, copySubstitute, eval, eval, getArg, getArgs, numArgs, visit

Methods inherited from class com.hp.hpl.jena.sparql.expr.ExprFunction

equals, getFunction, getFunctionIRI, getFunctionName, getFunctionPrintName, getFunctionSymbol, getOpName, hashCode, isFunction

Methods inherited from class com.hp.hpl.jena.sparql.expr.ExprNode

asVar, copySubstitute, deepCopy, getConstant, getExpr, getExprVar, getGraphPattern, getVarName, getVarNamesMentioned, getVarsMentioned, isConstant, isExpr, isGraphPattern, isSatisfied, isVariable, toString, varNamesMentioned, varsMentioned

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

E_Coalesce

public E_Coalesce(ExprList args)

Method Detail

evalSpecial

public NodeValue evalSpecial(Binding binding,
                    FunctionEnv env)

Description copied from class: ExprFunctionN

Special form evaluation (example, don't eval the arguments first)