modbusslaveexception.java

jamod is an object oriented implementation of the Modbus protocol, realized 100 in Java. It allows

//License
/***
 * Java Modbus Library (jamod)
 * Copyright (c) 2002-2004, jamod development team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the author nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS
 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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package net.wimpi.modbus;

/**
 * Class that implements a <tt>ModbusSlaveException</tt>.
 * Instances of this exception are thrown when
 * the slave returns a Modbus exception.
 *
 * @author Dieter Wimberger
 * @version 1.2rc1 (09/11/2004)
 */
public class ModbusSlaveException
    extends ModbusException {

  //instance attributes
  private int m_Type = -1;

  /**
   * Constructs a new <tt>ModbusSlaveException</tt>
   * instance with the given type.<br>
   * Types are defined according to the protocol
   * specification in <tt>net.wimpi.modbus.Modbus</tt>.
   * <p>
   * @param TYPE the type of exception that occured.
   *
   * @see net.wimpi.modbus.Modbus
   */
  public ModbusSlaveException(int TYPE) {
    super();
    m_Type = TYPE;
  }//constructor

  /**
   * Returns the type of this <tt>ModbusSlaveException</tt>.
   * <br>
   * Types are defined according to the protocol
   * specification in <tt>net.wimpi.modbus.Modbus</tt>.
   * <p>
   * @return the type of this <tt>ModbusSlaveException</tt>.
   *
   * @see net.wimpi.modbus.Modbus
   */
  public int getType() {
    return m_Type;
  }//getType

  /**
   * Tests if this <tt>ModbusSlaveException</tt>
   * is of a given type.
   * <br>
   * Types are defined according to the protocol
   * specification in <tt>net.wimpi.modbus.Modbus</tt>.
   * <p>
   * @param TYPE the type to test this
   *        <tt>ModbusSlaveException</tt> type against.
   *
   * @return true if this <tt>ModbusSlaveException</tt>
   *         is of the given type, false otherwise.
   *
   * @see net.wimpi.modbus.Modbus
   */
  public boolean isType(int TYPE) {
    return (TYPE == m_Type);
  }//isType

  public String getMessage() {
    return "Error Code = " + m_Type;
  }//getMessage

}//ModbusSlaveException