Module org.apache.jena.arq

Package org.apache.jena.sparql.expr

Class E_Coalesce

java.lang.Object

org.apache.jena.sparql.expr.ExprNode

org.apache.jena.sparql.expr.ExprFunction

org.apache.jena.sparql.expr.ExprFunctionN

org.apache.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 org.apache.jena.sparql.expr.Expr

CMP_EQUAL, CMP_GREATER, CMP_INDETERMINATE, CMP_LESS, CMP_UNEQUAL, NONE

Constructor Summary

Constructors

Constructor	Description
E_Coalesce(ExprList args)

Method Summary

Modifier and Type	Method	Description
Expr	copy(ExprList newArgs)
NodeValue	eval(List<NodeValue> args)
NodeValue	evalSpecial(Binding binding, FunctionEnv env)

Methods inherited from class org.apache.jena.sparql.expr.ExprFunctionN

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

Methods inherited from class org.apache.jena.sparql.expr.ExprFunction

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

Methods inherited from class org.apache.jena.sparql.expr.ExprNode

asVar, deepCopy, equals, equalsBySyntax, getConstant, getExpr, getExprVar, getGraphPattern, getVarName, getVarsMentioned, isConstant, isExpr, isGraphPattern, isSatisfied, isVariable, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

E_Coalesce

public E_Coalesce(ExprList args)

Method Details

evalSpecial

public NodeValue evalSpecial(Binding binding,
 FunctionEnv env)

copy

public Expr copy(ExprList newArgs)

Specified by:

copy in class ExprFunctionN

eval

public NodeValue eval(List<NodeValue> args)

Specified by:

eval in class ExprFunctionN