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Implementation of the Modbus protocol in Java language
package com.invertor.modbus.data;
import com.invertor.modbus.exception.IllegalDataAddressException;
import com.invertor.modbus.exception.IllegalDataValueException;
import java.util.Observable;
/*
* Copyright (C) 2016 "Invertor" Factory", JSC
* [http://www.sbp-invertor.ru]
*
* This file is part of JLibModbus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Authors: Vladislav Y. Kochedykov, software engineer.
* email: [email protected]
*/
/**
* since 1.2.8.4 it extends Observable to notify observers if register values was changed.
*
* @see java.util.Observable
* @see java.util.Observer
*/
public abstract class Coils extends Observable {
abstract public int quantity();
abstract public boolean get(int offset) throws IllegalDataAddressException;
abstract public boolean[] getRange(int offset, int quantity) throws IllegalDataAddressException, IllegalDataValueException;
public void set(int offset, boolean value) throws IllegalDataAddressException {
notifyObservers(new int[]{offset, 1});
}
public void setRange(int offset, boolean[] range) throws IllegalDataAddressException, IllegalDataValueException {
notifyObservers(new int[]{offset, range.length});
}
}