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/**
 * 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.hadoop.hive.metastore.txn;

import org.apache.hadoop.hive.metastore.api.CompactionType;

/**
 * Information on a possible or running compaction.
 */
public class CompactionInfo implements Comparable {
  public long id;
  public String dbname;
  public String tableName;
  public String partName;
  public CompactionType type;
  public String runAs;
  public boolean tooManyAborts = false;

  private String fullPartitionName = null;
  private String fullTableName = null;

  public CompactionInfo(String dbname, String tableName, String partName, CompactionType type) {
    this.dbname = dbname;
    this.tableName = tableName;
    this.partName = partName;
    this.type = type;
  }
  CompactionInfo() {}
  
  public String getFullPartitionName() {
    if (fullPartitionName == null) {
      StringBuilder buf = new StringBuilder(dbname);
      buf.append('.');
      buf.append(tableName);
      if (partName != null) {
        buf.append('.');
        buf.append(partName);
      }
      fullPartitionName = buf.toString();
    }
    return fullPartitionName;
  }

  public String getFullTableName() {
    if (fullTableName == null) {
      StringBuilder buf = new StringBuilder(dbname);
      buf.append('.');
      buf.append(tableName);
      fullTableName = buf.toString();
    }
    return fullTableName;
  }
  public boolean isMajorCompaction() {
    return CompactionType.MAJOR == type;
  }

  @Override
  public int compareTo(CompactionInfo o) {
    return getFullPartitionName().compareTo(o.getFullPartitionName());
  }
  public String toString() {
    return "id:" + id + "," +
      "dbname:" + dbname + "," +
      "tableName:" + tableName + "," +
      "partName:" + partName + "," +
      "type:" + type + "," +
      "runAs:" + runAs + "," +
      "tooManyAborts:" + tooManyAborts;
  }
}