/**
* 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.avro.file;
/**
* Constants used in data files.
*/
public class DataFileConstants {
private DataFileConstants() {} // no public ctor
public static final byte VERSION = 1;
public static final byte[] MAGIC = new byte[] {
(byte)'O', (byte)'b', (byte)'j', VERSION
};
public static final long FOOTER_BLOCK = -1;
public static final int SYNC_SIZE = 16;
public static final int DEFAULT_SYNC_INTERVAL = 4000*SYNC_SIZE;
public static final String SCHEMA = "avro.schema";
public static final String CODEC = "avro.codec";
public static final String NULL_CODEC = "null";
public static final String DEFLATE_CODEC = "deflate";
public static final String SNAPPY_CODEC = "snappy";
public static final String BZIP2_CODEC = "bzip2";
public static final String XZ_CODEC = "xz";
}