dsql.parser
Class ASTData

java.lang.Object
  extended bydsql.parser.SimpleNode
      extended bydsql.parser.DMNode
          extended bydsql.parser.ASTXMLElement
              extended bydsql.parser.ASTData
All Implemented Interfaces:
java.lang.Cloneable, Node

public class ASTData
extends ASTXMLElement

A data element, e.g. XML or Excel. When executed, this object returns a DataValue. New types of data can be added by subclassing DataValue, e.g. ExcelDataValue.


Field Summary
 
Fields inherited from class dsql.parser.ASTXMLElement
attrs, tagName
 
Fields inherited from class dsql.parser.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTData(ASTXMLElement toCopy)
          Constructor for Parser recast
ASTData(int id)
          Constructor for Parser
ASTData(Parser p, int id)
          Constructor for Parser
 
Method Summary
 Value execute()
          Execute a Node
protected  java.lang.String getFile()
           
 java.lang.String getType(java.lang.String file)
           
 java.lang.String toString()
           
 
Methods inherited from class dsql.parser.ASTXMLElement
attributesToString, executeXML, getAttributeValue, getElement, getElement, getElements, getStartTag, getTagName, getXMLText, print, setAttribute, setAttribute, setDoc, setTagName
 
Methods inherited from class dsql.parser.DMNode
executeArgument, executeArgumentAsClass, executeArgumentColumnHolder, executeArgumentNonNull, executeArgumentRecordHolder, executeArgumentTable, executeWithCatch, getArgument, getCaller, getDsqlParent, getLine, getRoot, getString, hasArgument, jjtInsertFirstChild, jjtSetChild, setCaller, setLine
 
Methods inherited from class dsql.parser.SimpleNode
dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ASTData

public ASTData(int id)
Constructor for Parser


ASTData

public ASTData(Parser p,
               int id)
Constructor for Parser


ASTData

public ASTData(ASTXMLElement toCopy)
Constructor for Parser recast

Method Detail

toString

public java.lang.String toString()
Overrides:
toString in class ASTXMLElement

getFile

protected java.lang.String getFile()
                            throws ExecuteException
Throws:
ExecuteException

getType

public java.lang.String getType(java.lang.String file)
                         throws ExecuteException
Throws:
ExecuteException

execute

public Value execute()
              throws ExecuteException
Description copied from class: DMNode
Execute a Node

Overrides:
execute in class ASTXMLElement
Throws:
ExecuteException