Style Intelligence v12.0

inetsoft.uql.path.expr
Class QueryExpr

java.lang.Object
  extended by inetsoft.uql.path.ConditionExpression
      extended by inetsoft.uql.path.expr.Expr
          extended by inetsoft.uql.path.expr.QueryExpr
All Implemented Interfaces:
Serializable

public class QueryExpr
extends Expr

A subquery expression.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class inetsoft.uql.path.ConditionExpression
ALL, ANY, SOME
 
Constructor Summary
QueryExpr(String name)
          Create a subquery.
 
Method Summary
 Object execute(XNode tree, VariableTable vars)
          Execute the expression on a data tree.
 Expr[] getExpressions()
          Get the expressions used in this expr.
 void setParameter(String pname, Expr pval)
          Set the parameter value.
 String toString()
           
 
Methods inherited from class inetsoft.uql.path.expr.Expr
aggregate, append, booleanValue, compare, compare, doubleValue, getScalar, getScalarString, getVariables, toArray, toString, toStringNot, toVector
 
Methods inherited from class inetsoft.uql.path.ConditionExpression
parse
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

QueryExpr

public QueryExpr(String name)
Create a subquery.

Parameters:
name - the name of the subquery as defined in query registry.
Method Detail

setParameter

public void setParameter(String pname,
                         Expr pval)
Set the parameter value.


execute

public Object execute(XNode tree,
                      VariableTable vars)
               throws Exception
Execute the expression on a data tree.

Specified by:
execute in class ConditionExpression
Parameters:
tree - data tree.
vars - variable table.
Throws:
Exception

getExpressions

public Expr[] getExpressions()
Get the expressions used in this expr. This is used for traversal down the expr tree.

Specified by:
getExpressions in class Expr

toString

public String toString()
Overrides:
toString in class Object

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