de.unidu.is.pdatalog.ds
Class ProbExpression

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

All Implemented Interfaces:

Expression

public class ProbExpression

extends AbstractExpression

The expression representing the overall probability of facts derived by the single, obtained by the independence assumption.

Version:

$Revision: 1.5 $, $Date: 2005/02/28 22:27:55 $

Author:

nottelma

Constructor Summary

ProbExpression()
Creates a new object.

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
Expression	substitute(java.util.Map binding) Performs an substitution for variables, e.g. for each key variable in the specified binding, all occurences of ${key} are replaced by the corresponding value in the map.
java.lang.String	toString()

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

getSQLTemplate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ProbExpression

public ProbExpression()

Creates a new object.

Method Detail

toString

public java.lang.String toString()

equals

public boolean equals(java.lang.Object o)

substitute

public Expression substitute(java.util.Map binding)

Description copied from class: AbstractExpression

Performs an substitution for variables, e.g. for each key variable in the specified binding, all occurences of ${key} are replaced by the corresponding value in the map.

Here, the same untouched expression is returned. Subclasses can overwrite this behaviour.

Specified by:

substitute in interface Expression

Overrides:

substitute in class AbstractExpression

Parameters:

binding - variable binding

Returns:

expression after substitution

hashCode

public int hashCode()