de.unidu.is.hyspirit
Class HySpiritAbstractClient

java.lang.Object
  de.unidu.is.hyspirit.HySpiritAbstractClient

All Implemented Interfaces:

HySpirit

Direct Known Subclasses:

HySpiritInvokerClient, HySpiritSocketClient

public abstract class HySpiritAbstractClient

extends java.lang.Object

implements HySpirit

An abtract implementation of the interface for connecting to the HySpirit inference engine for pDatalog built by our group (the version implemented in the Beta object-oriented programming language).

Sub-classes have to set up the reader and the writer.

Version:

$Revision: 1.8 $, $Date: 2005/03/14 17:33:13 $

Author:

Henrik Nottelmann

Field Summary

protected java.io.BufferedReader	in Reader from HySpirit, has to be initialised in a sub-class.
protected java.io.PrintWriter	out Writer to HySpirit, has to be initialised in a sub-class.

Constructor Summary

HySpiritAbstractClient()

Method Summary

void	close() Closes tje client.
protected java.lang.String	getLine() Reads in a line, and returns it.
java.lang.String	send(java.lang.String text) Sends text (facts, rules, queries etc.) to HySpirit, and receives the result.

Methods inherited from class java.lang.Object

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

Field Detail

in

protected java.io.BufferedReader in

Reader from HySpirit, has to be initialised in a sub-class.

out

protected java.io.PrintWriter out

Writer to HySpirit, has to be initialised in a sub-class.

Constructor Detail

HySpiritAbstractClient

public HySpiritAbstractClient()

Method Detail

send

public java.lang.String send(java.lang.String text)

Sends text (facts, rules, queries etc.) to HySpirit, and receives the result.

Specified by:

send in interface HySpirit

Parameters:

text - text to be sent to HySpirit

Returns:

HySpirit answer

getLine

protected java.lang.String getLine()

Reads in a line, and returns it.

Returns:

line from HySpirit

close

public void close()

Closes tje client.

Specified by:

close in interface HySpirit