io.airlift.compress.v2.bzip2.BZip2Constants Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aircompressor Show documentation

Compression algorithms

There is a newer version: 2.0.2

/*
 * 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.
 */
/*
 * This package is based on the work done by Keiron Liddle, Aftex Software
 *  to whom the Ant project is very grateful for his
 * great code.
 */
package io.airlift.compress.v2.bzip2;

/**
 * Base class for both the compress and decompress classes. Holds common arrays,
 * and static data.
 * 
 * This interface is public for historical purposes. You should have no need to
 * use it.
 * 
 */
// forked from Apache Hadoop
final class BZip2Constants
{
    public static final int BASE_BLOCK_SIZE = 100000;
    public static final int MAX_ALPHA_SIZE = 258;
    public static final int RUN_A = 0;
    public static final int RUN_B = 1;
    public static final int N_GROUPS = 6;
    public static final int G_SIZE = 50;
    public static final int MAX_SELECTORS = (2 + (900000 / G_SIZE));

    private BZip2Constants() {}
}