com.ugos.JIProlog.client
Class JIPClient

java.lang.Object
  |
  +--com.ugos.JIProlog.client.JIPClient

public class JIPClient

extends java.lang.Object

JIPClient implements the methods to talk with JIProlog server.
For more information see the section "How to call JIProlog Server" in the Reference Manual

Version:

2.0

Author:

Ugo Chirico 2003
Home Page: http://www.ugosweb.com/jiprolog

See Also:

JIPSolution

Field Summary

static int

DEFAUL_PORT

Constructor Summary

JIPClient(java.net.InetAddress inetAdd)
Creates a new JIProlog client object and connect it to the specified host on the default port number.

JIPClient(java.net.InetAddress inetAdd, int nPort)
Creates a new JIProlog client object and connect it to the specified host on the given port number.

JIPClient(java.lang.String strHost)
Creates a new JIProlog client object and connect it to the specified host on the default port number.

JIPClient(java.lang.String strHost, int nPort)
Creates a new JIProlog client object and connect it to the specified host on the given port number.

Method Summary

void	closeQuery() Closes the previously opened query.
void	leave() Leaves the connection to JIProlog server.
JIPSolution	nextSolution() Returns next solution related to the previously opened query.
void	openQuery(java.lang.String strQuery) Opens a query with JIProlog server.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAUL_PORT

public static final int DEFAUL_PORT

See Also:

Constant Field Values

Constructor Detail

JIPClient

public JIPClient(java.lang.String strHost)
          throws java.io.IOException

Creates a new JIProlog client object and connect it to the specified host on the default port number.

Parameters:

strHost - Host where JIProlog server is running.

Throws:

java.io.IOException

JIPClient

public JIPClient(java.net.InetAddress inetAdd)
          throws java.io.IOException

Creates a new JIProlog client object and connect it to the specified host on the default port number.

Parameters:

inetAdd - InetAddress of the host where JIProlog server is running.

Throws:

java.io.IOException

JIPClient

public JIPClient(java.lang.String strHost,
                 int nPort)
          throws java.io.IOException

Creates a new JIProlog client object and connect it to the specified host on the given port number.

Parameters:

strHost - Host where JIProlog server is running.

nPort - Port number.

Throws:

java.io.IOException

JIPClient

public JIPClient(java.net.InetAddress inetAdd,
                 int nPort)
          throws java.io.IOException

Creates a new JIProlog client object and connect it to the specified host on the given port number.

Parameters:

inetAdd - InetAddress of the host where JIProlog server is running.

nPort - Port number.

Throws:

java.io.IOException

Method Detail

openQuery

public final void openQuery(java.lang.String strQuery)
                     throws java.io.IOException,
                            JIPServerException

Opens a query with JIProlog server. Raises JIPServerException if JIProlog server returns an error.

Parameters:

strQuery - The query.

Throws:

java.io.IOException

JIPServerException

See Also:

nextSolution(), closeQuery()

nextSolution

public final JIPSolution nextSolution()
                               throws java.io.IOException,
                                      JIPServerException

Returns next solution related to the previously opened query. Raises JIPServerException if JIProlog server returns an error.

Returns:

JIPSolution object containing the information about the solution returned.

Throws:

java.io.IOException

JIPServerException

See Also:

JIPSolution, openQuery(java.lang.String), closeQuery()

closeQuery

public final void closeQuery()
                      throws java.io.IOException,
                             JIPServerException

Closes the previously opened query. Raises JIPServerException if JIProlog server returns an error.

Throws:

java.io.IOException

JIPServerException

See Also:

openQuery(java.lang.String), nextSolution()

leave

public void leave()
           throws java.io.IOException

Leaves the connection to JIProlog server. After that other queries are not permetted.

Throws:

java.io.IOException

See Also:

openQuery(java.lang.String), nextSolution(), closeQuery()