org.apache.jackrabbit.oak.plugins.segment.file.TarEntry Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.jackrabbit.oak.plugins.segment.file;
import java.util.Comparator;
/**
* A file entry location in a tar file. This is used for the index with a tar
* file.
*/
class TarEntry {
static final Comparator OFFSET_ORDER = new Comparator() {
@Override
public int compare(TarEntry a, TarEntry b) {
if (a.offset > b.offset) {
return 1;
} else if (a.offset < b.offset) {
return -1;
} else {
return 0;
}
}
};
static final Comparator IDENTIFIER_ORDER = new Comparator() {
@Override
public int compare(TarEntry a, TarEntry b) {
if (a.msb > b.msb) {
return 1;
} else if (a.msb < b.msb) {
return -1;
} else if (a.lsb > b.lsb) {
return 1;
} else if (a.lsb < b.lsb) {
return -1;
} else {
return 0;
}
}
};
private final long msb;
private final long lsb;
private final int offset;
private final int size;
TarEntry(long msb, long lsb, int offset, int size) {
this.msb = msb;
this.lsb = lsb;
this.offset = offset;
this.size = size;
}
long msb() {
return msb;
}
long lsb() {
return lsb;
}
int offset() {
return offset;
}
int size() {
return size;
}
}