/* Base class for simple source actors.
Copyright (c) 1998-2009 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
package ptolemy.domains.space;
import ptolemy.actor.lib.database.DatabaseSelect;
import ptolemy.data.expr.Parameter;
import ptolemy.data.expr.StringParameter;
import ptolemy.kernel.CompositeEntity;
import ptolemy.kernel.util.IllegalActionException;
import ptolemy.kernel.util.NameDuplicationException;
import ptolemy.kernel.util.Settable;
//////////////////////////////////////////////////////////////////////////
//// Room
/**
A Room.
@author Edward A. Lee
@version $Id$
@since Ptolemy II 7.1
@Pt.ProposedRating Red (eal)
@Pt.AcceptedRating Red (cxh)
*/
public class Room extends DatabaseSelect {
/** Construct an actor with the given container and name.
* @param container The container.
* @param name The name of this actor.
* @exception IllegalActionException If the entity cannot be contained
* by the proposed container.
* @exception NameDuplicationException If the container already has an
* actor with this name.
*/
public Room(CompositeEntity container, String name)
throws NameDuplicationException, IllegalActionException {
super(container, name);
building = new StringParameter(this, "building");
building.setExpression("Cory");
room = new StringParameter(this, "room");
room.setExpression("545Q");
Parameter hide = new Parameter(trigger, "_hide");
hide.setExpression("true");
columns.setVisibility(Settable.EXPERT);
columns
.setExpression("{bldg=string, room=string, lname=string, "
+ "fnames=string, deskno=string, spaceid=string, classcd=string, "
+ "sponsorlname=string, email=string, spacenotes=string, "
+ "occupancy=string, departure=string}");
hide = new Parameter(columns.getPort(), "_hide");
hide.setExpression("true");
pattern.setVisibility(Settable.EXPERT);
hide = new Parameter(pattern.getPort(), "_hide");
hide.setExpression("true");
orderBy.setVisibility(Settable.EXPERT);
orderBy.setExpression("deskno asc");
}
///////////////////////////////////////////////////////////////////
//// ports and parameters ////
/** Name of the building. */
public StringParameter building;
/** Name of the room. */
public StringParameter room;
///////////////////////////////////////////////////////////////////
//// public methods ////
/** Read the occupants from the database and produce them on the output
* port.
* @exception IllegalActionException If the database query fails.
*/
public void fire() throws IllegalActionException {
pattern.setExpression("trim(bldg)='" + building.stringValue()
+ "' and trim(room)='" + room.stringValue() + "'");
super.fire();
}
}