net.openhft.chronicle.wire.MicroDurationLongConverter Maven / Gradle / Ivy
/*
* Copyright 2016-2020 chronicle.software
*
* https://chronicle.software
*
* 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.
*/
package net.openhft.chronicle.wire;
import net.openhft.chronicle.bytes.Bytes;
import java.time.Duration;
/**
* Implementation of {@link LongConverter} to convert durations represented as microseconds.
* This class operates on long values, converting them to and from Java's {@link Duration}.
*/
public class MicroDurationLongConverter implements LongConverter {
/**
* Parses the provided {@link CharSequence} into a duration and returns the equivalent duration in microseconds.
*
* @param text the {@link CharSequence} to parse
* @return the parsed duration as a long value in microseconds
*/
@Override
public long parse(CharSequence text) {
final Duration parse = Duration.parse(text);
return parse.getSeconds() * 1000_000 + parse.getNano() / 1000;
}
/**
* Converts a duration represented in microseconds to a {@link Duration} object.
*
* @param value the duration as a long value in microseconds
* @return a {@link Duration} representing the same duration
*/
private Duration duration(long value) {
return Duration.ofSeconds(value / 1_000_000,
value % 1_000_000 * 1_000);
}
/**
* Appends a {@link Duration} representation of the provided long value (in microseconds) to the provided {@link StringBuilder}.
*
* @param text the {@link StringBuilder} to append to
* @param value the duration as a long value in microseconds
*/
@Override
public void append(StringBuilder text, long value) {
text.append(duration(value));
}
/**
* Appends a {@link Duration} representation of the provided long value (in microseconds) to the provided {@link Bytes}.
*
* @param bytes the {@link Bytes} object to append to
* @param value the duration as a long value in microseconds
*/
@Override
public void append(Bytes bytes, long value) {
bytes.append(duration(value).toString());
}
}