com.hp.hpl.jena.sparql.expr
Class E_Scalar

java.lang.Object
  com.hp.hpl.jena.sparql.expr.ExprNode
      com.hp.hpl.jena.sparql.expr.ExprFunction
          com.hp.hpl.jena.sparql.expr.ExprFunctionOp
              com.hp.hpl.jena.sparql.expr.E_Scalar

All Implemented Interfaces:

Expr

public class E_Scalar
extends ExprFunctionOp

A scalar subquery that returns a single row/column.

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

Expr	applyNodeTransform(NodeTransform transform) Rewrite, applying a node->node transformation
ExprFunctionOp	copy(ExprList args, Op x)
Expr	copySubstitute(Binding binding, boolean foldConstants)

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

apply, eval, getArg, getElement, getGraphPattern, isGraphPattern, numArgs, visit

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

equals, getArgs, 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, getVarName, getVarNamesMentioned, getVarsMentioned, isConstant, isExpr, isSatisfied, isVariable, toString, varNamesMentioned, varsMentioned

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

copy

public ExprFunctionOp copy(ExprList args,
                           Op x)

Specified by:

copy in class ExprFunctionOp

applyNodeTransform

public 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

copySubstitute

public Expr copySubstitute(Binding binding,
                           boolean foldConstants)

Specified by:

copySubstitute in interface Expr

Specified by:

copySubstitute in class ExprNode