/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you 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.elasticsearch.common.unit;
import org.elasticsearch.ElasticSearchParseException;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import java.io.IOException;
import java.io.Serializable;
/**
* @author kimchy (shay.banon)
*/
public class SizeValue implements Serializable, Streamable {
private long size;
private SizeUnit sizeUnit;
private SizeValue() {
}
public SizeValue(long singles) {
this(singles, SizeUnit.SINGLE);
}
public SizeValue(long size, SizeUnit sizeUnit) {
this.size = size;
this.sizeUnit = sizeUnit;
}
public long singles() {
return sizeUnit.toSingles(size);
}
public long getSingles() {
return singles();
}
public long kilo() {
return sizeUnit.toKilo(size);
}
public long getKilo() {
return kilo();
}
public long mega() {
return sizeUnit.toMega(size);
}
public long getMega() {
return mega();
}
public long giga() {
return sizeUnit.toGiga(size);
}
public long getGiga() {
return giga();
}
public double kiloFrac() {
return ((double) singles()) / SizeUnit.C1;
}
public double getKiloFrac() {
return kiloFrac();
}
public double megaFrac() {
return ((double) singles()) / SizeUnit.C2;
}
public double getMegaFrac() {
return megaFrac();
}
public double gigaFrac() {
return ((double) singles()) / SizeUnit.C3;
}
public double getGigaFrac() {
return gigaFrac();
}
@Override public String toString() {
long singles = singles();
double value = singles;
String suffix = "";
if (singles >= SizeUnit.C3) {
value = gigaFrac();
suffix = "g";
} else if (singles >= SizeUnit.C2) {
value = megaFrac();
suffix = "m";
} else if (singles >= SizeUnit.C1) {
value = kiloFrac();
suffix = "k";
}
return Strings.format1Decimals(value, suffix);
}
public static SizeValue parseSizeValue(String sValue) throws ElasticSearchParseException {
return parseSizeValue(sValue, null);
}
public static SizeValue parseSizeValue(String sValue, SizeValue defaultValue) throws ElasticSearchParseException {
if (sValue == null) {
return defaultValue;
}
long singles;
try {
if (sValue.endsWith("b")) {
singles = Long.parseLong(sValue.substring(0, sValue.length() - 1));
} else if (sValue.endsWith("k") || sValue.endsWith("K")) {
singles = (long) (Double.parseDouble(sValue.substring(0, sValue.length() - 1)) * SizeUnit.C1);
} else if (sValue.endsWith("m") || sValue.endsWith("M")) {
singles = (long) (Double.parseDouble(sValue.substring(0, sValue.length() - 1)) * SizeUnit.C2);
} else if (sValue.endsWith("g") || sValue.endsWith("G")) {
singles = (long) (Double.parseDouble(sValue.substring(0, sValue.length() - 1)) * SizeUnit.C3);
} else {
singles = Long.parseLong(sValue);
}
} catch (NumberFormatException e) {
throw new ElasticSearchParseException("Failed to parse [" + sValue + "]", e);
}
return new SizeValue(singles, SizeUnit.SINGLE);
}
public static SizeValue readSizeValue(StreamInput in) throws IOException {
SizeValue sizeValue = new SizeValue();
sizeValue.readFrom(in);
return sizeValue;
}
@Override public void readFrom(StreamInput in) throws IOException {
size = in.readVLong();
sizeUnit = SizeUnit.SINGLE;
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(singles());
}
@Override public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
SizeValue sizeValue = (SizeValue) o;
if (size != sizeValue.size) return false;
if (sizeUnit != sizeValue.sizeUnit) return false;
return true;
}
@Override public int hashCode() {
int result = (int) (size ^ (size >>> 32));
result = 31 * result + (sizeUnit != null ? sizeUnit.hashCode() : 0);
return result;
}
}