package com.intelligt.modbus.jlibmodbus.net;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusIOException;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.LoggingInputStream;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.LoggingOutputStream;
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import com.intelligt.modbus.jlibmodbus.net.transport.ModbusTransport;
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import com.intelligt.modbus.jlibmodbus.serial.SerialPort;
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import com.intelligt.modbus.jlibmodbus.serial.SerialPortException;
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/*
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* Copyright (C) 2016 "Invertor" Factory", JSC
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* [http://www.sbp-invertor.ru]
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*
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* This file is part of JLibModbus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Vladislav Y. Kochedykov, software engineer.
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* email: vladislav.kochedykov@gmail.com
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*/
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/**
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* this class is an extension of the ModbusConnection class
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* to implement features for all serial port based connections.
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*
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* @see ModbusConnectionRTU
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* @see ModbusConnectionASCII
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* @see ModbusConnection
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*/
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abstract class ModbusConnectionSerial extends ModbusConnection {
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/**
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* instance of SerialPort class,
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* which is a wrapper for concrete serial API implementation.
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*
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* @see SerialPort
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*/
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final private SerialPort serial;
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final private ModbusTransport transport;
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ModbusConnectionSerial(SerialPort serial, ModbusTransport transport) {
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this.serial = serial;
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this.transport = transport;
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}
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@Override
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protected void openImpl() throws ModbusIOException {
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if (!isOpened()) {
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try {
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this.serial.open();
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} catch (SerialPortException e) {
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throw new ModbusIOException(e);
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}
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}
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}
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@Override
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protected void closeImpl() {
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this.serial.close();
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}
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@Override
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public LoggingOutputStream getOutputStream() {
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return transport.getOutputStream();
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}
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@Override
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public LoggingInputStream getInputStream() {
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return transport.getInputStream();
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}
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@Override
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public ModbusTransport getTransport() {
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return transport;
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}
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}
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