de.unidu.is.pdatalog.ds
Class LiteralExpression

java.lang.Object
  de.unidu.is.expressions.AbstractExpression
      de.unidu.is.pdatalog.ds.LiteralExpression

All Implemented Interfaces:

Expression

public class LiteralExpression

extends AbstractExpression

An expression holding a literal, used for aggregation operators.

Version:

$Revision: 1.6 $, $Date: 2005/02/28 22:27:55 $

Author:

Henrik Nottelmann

Field Summary

protected Literal

literal The literal.

Constructor Summary

LiteralExpression(Literal literal)
Creates a new object.

Method Summary

Literal	getLiteral() Returns the literal.
java.lang.String	toString()

Methods inherited from class de.unidu.is.expressions.AbstractExpression

getSQLTemplate, substitute

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

literal

protected Literal literal

The literal.

Constructor Detail

LiteralExpression

public LiteralExpression(Literal literal)

Creates a new object.

Parameters:

literal - literal to be used

Method Detail

getLiteral

public Literal getLiteral()

Returns the literal.

Returns:

literal

toString

public java.lang.String toString()