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

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


Licenced under the Apache License, Version 2.0