org.flywaydb.core.internal.util.DataUnits Maven / Gradle / Ivy
/*
* Copyright (C) Red Gate Software Ltd 2010-2024
*
* 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 org.flywaydb.core.internal.util;
import lombok.RequiredArgsConstructor;
@RequiredArgsConstructor
public enum DataUnits {
BYTE(1, "B"),
KILOBYTE(1024, "kB"),
MEGABYTE(1024 * 1024, "MB"),
GIGABYTE(1024 * 1024 * 1024, "GB");
private final long factor;
private final String suffix;
/**
* Returns the number of bytes for your number of data units
*
* @param units Number of data units to convert to bytes
* @return Number of bytes in data units
*/
public long toBytes(long units) {
return units * factor;
}
/**
* Returns the number of data units for your number of bytes
*
* @param bytes Number of bytes to convert to data units
* @return Number of bytes in data units
*/
public long fromBytes(long bytes) {
return bytes / factor;
}
/**
* @return The specified bytes as a human-readable string normalized to this unit
*/
public String toHumanReadableString(long bytes) {
return fromBytes(bytes) + " " + suffix;
}
}