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AsyncModbusReadResult.java
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AsyncModbusReadResult.java
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/**
* Copyright (c) 2010-2024 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.core.io.transport.sbus;
import java.util.Objects;
import java.util.Optional;
import org.eclipse.jdt.annotation.NonNullByDefault;
/**
* Encapsulates result of modbus read operations
*
* @author Sami Salonen - Initial contribution
*/
@NonNullByDefault
public class AsyncModbusReadResult {
private final ModbusReadRequestBlueprint request;
private final Optional<BitArray> bits;
private final Optional<ModbusRegisterArray> registers;
public AsyncModbusReadResult(ModbusReadRequestBlueprint request, ModbusRegisterArray registers) {
Objects.requireNonNull(request, "Request must not be null!");
Objects.requireNonNull(registers, "Registers must not be null!");
this.request = request;
this.registers = Optional.of(registers);
this.bits = Optional.empty();
}
public AsyncModbusReadResult(ModbusReadRequestBlueprint request, BitArray bits) {
Objects.requireNonNull(request, "Request must not be null!");
Objects.requireNonNull(bits, "Bits must not be null!");
this.request = request;
this.registers = Optional.empty();
this.bits = Optional.of(bits);
}
/**
* Get request matching this response
*
* @return request object
*/
public ModbusReadRequestBlueprint getRequest() {
return request;
}
/**
* Get "coil" or "discrete input" bit data in the case of no errors
*
* @return bit data
*/
public Optional<BitArray> getBits() {
return bits;
}
/**
* Get "input register" or "holding register" data in the case of no errors
*
* @return register data
*/
public Optional<ModbusRegisterArray> getRegisters() {
return registers;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder("AsyncModbusReadResult(");
builder.append("request = ");
builder.append(request);
bits.ifPresent(bits -> {
builder.append(", bits = ");
builder.append(bits);
});
registers.ifPresent(registers -> {
builder.append(", registers = ");
builder.append(registers);
});
builder.append(")");
return builder.toString();
}
}