PackType.java

/*
 * 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 com.aliyun.odps.datahub;

public interface PackType {

  public static final int PACKID_LENGTH = 32;
  /* 32 chars of '0' */
  public static final String FIRST_PACK_ID = new String(new char[PACKID_LENGTH]).replace("\0", "0");
  /* 32 chars of 'f' */
  public static final String LAST_PACK_ID = new String(new char[PACKID_LENGTH]).replace("\0", "f");

  public static enum ReadMode {
    SEEK_CUR, SEEK_NEXT, SEEK_BEGIN, SEEK_END
  }

}