/*
 * 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.carbondata.core.datastore.block;

import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.carbondata.core.constants.CarbonCommonConstants;

/**
 * This class contains blocks info of each task
 */
public class TaskBlockInfo {

  // stores TableBlockInfo list of each task
  private Map<String, List<TableBlockInfo>> taskBlockInfoMapping;

  public TaskBlockInfo() {

    taskBlockInfoMapping = new HashMap<>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
  }

  /**
   * returns task set
   * @return
   */
  public Set<String> getTaskSet() {
    return taskBlockInfoMapping.keySet();
  }

  public Collection<List<TableBlockInfo>> getAllTableBlockInfoList() {
    return taskBlockInfoMapping.values();
  }

  /**
   * returns TableBlockInfoList of given task
   * @return
   */
  public List<TableBlockInfo> getTableBlockInfoList(String task) {
    return taskBlockInfoMapping.get(task);
  }

  /**
   *  maps TableBlockInfoList to respective task
   * @param task
   * @param tableBlockInfoList
   */
  public void addTableBlockInfoList(String task, List<TableBlockInfo> tableBlockInfoList) {
    taskBlockInfoMapping.put(task, tableBlockInfoList);
  }

}
