com.hp.hpl.jena.sparql.expr

Class ExprFunction2

java.lang.Object

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

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

com.hp.hpl.jena.sparql.expr.ExprFunction2

All Implemented Interfaces:

Expr

Direct Known Subclasses:

E_Add, E_Cast, E_Divide, E_Equals, E_GreaterThan, E_GreaterThanOrEqual, E_LangMatches, E_LessThan, E_LessThanOrEqual, E_LogicalAnd, E_LogicalOr, E_Multiply, E_NotEquals, E_SameTerm, E_StrAfter, E_StrBefore, E_StrContains, E_StrDatatype, E_StrEndsWith, E_StrLang, E_StrStartsWith, E_Subtract

public abstract class ExprFunction2
extends ExprFunction

A function of two arguments

Field Summary

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

CMP_EQUAL, CMP_GREATER, CMP_INDETERMINATE, CMP_LESS, CMP_UNEQUAL

Method Summary

Methods

Modifier and Type	Method and Description
Expr	apply(ExprTransform transform, Expr arg1, Expr arg2)
Expr	applyNodeTransform(NodeTransform transform) Rewrite, applying a node->node transformation
abstract Expr	copy(Expr arg1, Expr arg2)
Expr	copySubstitute(Binding binding, boolean foldConstants)
NodeValue	eval(Binding binding, FunctionEnv env) Evaluate this expression against the binding
abstract NodeValue	eval(NodeValue x, NodeValue y)
NodeValue	eval(NodeValue x, NodeValue y, FunctionEnv env)
Expr	getArg(int i)
Expr	getArg1()
Expr	getArg2()
int	hashCode()
int	numArgs()
void	visit(ExprVisitor visitor)

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

equals, getArgs, getFunction, getFunctionIRI, getFunctionName, getFunctionPrintName, getFunctionSymbol, getOpName, 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

Method Detail

getArg1

public Expr getArg1()

getArg2

public Expr getArg2()

getArg

public Expr getArg(int i)

Specified by:

getArg in class ExprFunction

numArgs

public int numArgs()

Specified by:

numArgs in class ExprFunction

hashCode

public int hashCode()

Overrides:

hashCode in class ExprFunction

eval

public final NodeValue eval(Binding binding,
             FunctionEnv env)

Description copied from interface: Expr

Evaluate this expression against the binding

Specified by:

eval in interface Expr

Specified by:

eval in class ExprNode

eval

public NodeValue eval(NodeValue x,
             NodeValue y,
             FunctionEnv env)

eval

public abstract NodeValue eval(NodeValue x,
             NodeValue y)

copySubstitute

public final Expr copySubstitute(Binding binding,
                  boolean foldConstants)

Specified by:

copySubstitute in interface Expr

Specified by:

copySubstitute in class ExprNode

applyNodeTransform

public final Expr applyNodeTransform(NodeTransform transform)

Description copied from interface: Expr

Rewrite, applying a node->node transformation

Specified by:

applyNodeTransform in interface Expr

Specified by:

applyNodeTransform in class ExprNode

copy

public abstract Expr copy(Expr arg1,
        Expr arg2)

visit

public void visit(ExprVisitor visitor)

apply

public Expr apply(ExprTransform transform,
         Expr arg1,
         Expr arg2)