BACnetWriter.java

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// Write to a BACnet device

/*
********************************************************************
Copyright Notice
----------------

Building Controls Virtual Test Bed (BCVTB) Copyright (c) 2008-2009, The
Regents of the University of California, through Lawrence Berkeley
National Laboratory (subject to receipt of any required approvals from
the U.S. Dept. of Energy). All rights reserved.

If you have questions about your rights to use or distribute this
software, please contact Berkeley Lab's Technology Transfer Department
at TTD@lbl.gov

NOTICE.  This software was developed under partial funding from the U.S.
Department of Energy.  As such, the U.S. Government has been granted for
itself and others acting on its behalf a paid-up, nonexclusive,
irrevocable, worldwide license in the Software to reproduce, prepare
derivative works, and perform publicly and display publicly.  Beginning
five (5) years after the date permission to assert copyright is obtained
from the U.S. Department of Energy, and subject to any subsequent five
(5) year renewals, the U.S. Government is granted for itself and others
acting on its behalf a paid-up, nonexclusive, irrevocable, worldwide
license in the Software to reproduce, prepare derivative works,
distribute copies to the public, perform publicly and display publicly,
and to permit others to do so.


Modified BSD License agreement
------------------------------

Building Controls Virtual Test Bed (BCVTB) Copyright (c) 2008-2009, The
Regents of the University of California, through Lawrence Berkeley
National Laboratory (subject to receipt of any required approvals from
the U.S. Dept. of Energy).  All rights reserved.

Redistribution and use in source and binary forms, with or without
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      derived from this software without specific prior written permission. 

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*/


package bacnet.actor;

import bacnet.util.BACnetObject;
import bacnet.util.BACnetPropertyValue;
import bacnet.util.BACnetObjectType;
import bacnet.util.BACnetCompleteProperty;
import bacnet.util.BACnet;

import ptolemy.kernel.CompositeEntity;
import ptolemy.kernel.util.IllegalActionException;
import ptolemy.kernel.util.NameDuplicationException;
import ptolemy.kernel.util.InternalErrorException;
import ptolemy.kernel.util.Settable;
import ptolemy.actor.TypedIOPort;
import ptolemy.data.type.ArrayType;
import ptolemy.data.ArrayToken;
import ptolemy.data.type.BaseType;
import ptolemy.data.Token;
import ptolemy.data.IntToken;
import ptolemy.data.StringToken;
import ptolemy.data.ArrayToken;
import ptolemy.data.BooleanToken;
import ptolemy.data.expr.Parameter;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.io.IOException;
import org.xml.sax.SAXException;
import javax.xml.parsers.ParserConfigurationException;
import javax.naming.OperationNotSupportedException;
import org.xml.sax.SAXParseException;
//BacnetWriter

public class BACnetWriter extends BACnet {

    public BACnetWriter(CompositeEntity container, String name)
    throws IllegalActionException,NameDuplicationException {
    super(container, name);
        /*Use input port to receive Ptolemy input tokens
     */
        input = new TypedIOPort(this, "input", true, false);
    input.setMultiport(true);    

    /*Use input token consumption rate to check whether there are tokens
     * in the input port, used in prefire() 
     */
        input_tokenConsumptionRate = new Parameter(input, "tokenConsumptionRate");
        input_tokenConsumptionRate.setExpression("1");
        input_tokenConsumptionRate.setVisibility(Settable.NOT_EDITABLE);
        input_tokenConsumptionRate.setTypeEquals(BaseType.INT);
        input_tokenConsumptionRate.setPersistent(false);


       }
      


    public boolean prefire() throws IllegalActionException {
        Token rateToken = input_tokenConsumptionRate.getToken();
        int required = ((IntToken) rateToken).intValue();

        // Derived classes may convert the input port to a multiport.
        
        for (int i = 0; i < input.getWidth(); i++) {
            if (!input.hasToken(i, required)) {
                if (_debugging) {
                    _debug("Called prefire(), "
                            + " input tokenConsumptionRate = " + required
                            + ", input.hasToken(" + i + ", " + required
                            + ") is false, prefire() returning false");
                }

                return false;
            }
        }
        return super.prefire();
    }
     
    public void checkNumberOfInput() throws IllegalActionException
    {
      final int size = input.getWidth();
      final int num = prop_arr.size();
      if(size != num){
          String em = "The number of input '" + size + "' is ";
          if(size > num)
          em += "bigger ";
          else
          em += "less ";
          em += "than the number" 
              + LS + "of properties found in the configuration file '" + num +"'.";
          throw new IllegalActionException(em);
      }   
    }

    public Token[] consumeToken() throws IllegalActionException
    {
    final int n = input.getWidth();
    Token inp[] = new Token[n];
    for(int i=0;i<n;i++)
        inp[i]= input.get(i);
    return inp;
    }
 
    public ArrayList<BACnetCompleteProperty> addPropertyValue(Token[] inp) throws IllegalActionException
    {
    ArrayList<BACnetCompleteProperty> proparr = new ArrayList<BACnetCompleteProperty>();
        for (int i = 0; i < prop_arr.size(); i++) {
        BACnetCompleteProperty bcp = prop_arr.get(i);
        int dev_inst_str = bcp.getDeviceInstance();
        String obj_type = bcp.getObjectType();
        int obj_inst = bcp.getObjectInstance();
        String pro_name = bcp.getPropertyName();
        String pro_value = inp[i].toString();
        String apptag = bcp.getApplicationTag();
        String priority = bcp.getPropertyPriority();
        String index = bcp.getPropertyIndex();
        BACnetCompleteProperty bcp_new = new BACnetCompleteProperty(dev_inst_str,
                        obj_type,obj_inst,pro_name,pro_value,
                        apptag,priority,index);
        proparr.add(bcp_new);
        }
    return proparr;
    }

    public void initialize() throws IllegalActionException
    {
    super.initialize();

       /* Check if application tag is part of the standard,
      if priority and index are integers
    */
       validateAttributes();

       /* Check if number of tokens from Ptolemy is equal to
      the number of properties read from the configuration file 
    */
       checkNumberOfInput();
    }
  
    public void fire() throws IllegalActionException {
        super.fire();
    /*get input tokens from Ptolemy
     */
    Token[] inp  = consumeToken();
    /*add these input tokens to BACnetCompleteProperty
     * as read from configuration file
     */
    prop_add_arr = addPropertyValue(inp);
    /*Prepare processes to be executed
     */
    proc_arr = bacDevMan.getProcesses(prop_add_arr);
    /*Prepare the tokens to be sent to outlet port
     */
    prepareTokensToSend();
    /*Send tokens to outlet port
     */
    sendToken();

    /*Remove token in last time step*/
    removeToken();
    }
    
    protected void setSchemaFileName(){
    schemaFileName =
        bcvtbhome + FS + "lib" + FS + "ptII" + FS + "bacnet" + FS + "BACnetWriter.xsd";
    }


    /* The input port.  This base class imposes no type constraints except
     *  that the type of the input cannot be greater than the type of the
     *  output.
     */
     public TypedIOPort input;
    
    /* The rate parameter for the input port.
     */
    public Parameter input_tokenConsumptionRate;

    public static ArrayList<BACnetCompleteProperty> prop_add_arr;
}