content: /*
   * 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.metadata.schema;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.carbondata.core.metadata.schema.partition.PartitionType;
  import org.apache.carbondata.core.metadata.schema.table.Writable;
  import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
  
  /**
   * Partition information of carbon partition table
   */
  public class PartitionInfo implements Serializable, Writable {
  
    private static final long serialVersionUID = -0L;
  
    private List<ColumnSchema> columnSchemaList;
  
    private PartitionType partitionType;
  
    /**
     * range information defined for range partition table
     */
    @Deprecated
    private List<String> rangeInfo;
  
    /**
     * list information defined for range partition table
     */
    @Deprecated
    private List<List<String>> listInfo;
  
    /**
     * total count of partitions
     */
    @Deprecated
    private int numPartitions;
  
    /**
     * current max partition id, increase only, will be used in alter table partition operation
     */
    @Deprecated
    private int maxPartitionId;
  
    /**
     * record the partitionId in the logical ascending order
     * initiate when table created and changed when alter table
     */
    @Deprecated
    private List<Integer> partitionIds;
  
    public PartitionInfo() {
  
    }
  
    public PartitionInfo(List<ColumnSchema> columnSchemaList, PartitionType partitionType) {
      this.columnSchemaList = columnSchemaList;
      this.partitionType = partitionType;
      this.partitionIds = new ArrayList<>();
    }
  
    public List<ColumnSchema> getColumnSchemaList() {
      return columnSchemaList;
    }
  
    public void setColumnSchemaList(List<ColumnSchema> columnSchemaList) {
      this.columnSchemaList = columnSchemaList;
    }
  
    public PartitionType getPartitionType() {
      return partitionType;
    }
  
    @Override
    public void write(DataOutput output) throws IOException {
      output.writeInt(columnSchemaList.size());
      for (ColumnSchema columnSchema: columnSchemaList) {
        columnSchema.write(output);
      }
      output.writeInt(partitionType.ordinal());
      if (PartitionType.RANGE.equals(partitionType)) {
        output.writeInt(rangeInfo.size());
        for (String value: rangeInfo) {
          output.writeUTF(value);
        }
      }
      output.writeInt(partitionIds.size());
      for (Integer value: partitionIds) {
        output.writeInt(value);
      }
      if (PartitionType.LIST.equals(partitionType)) {
        output.writeInt(listInfo.size());
        for (List<String> listValue: listInfo) {
          output.writeInt(listValue.size());
          for (String value: listValue) {
            output.writeUTF(value);
          }
        }
      }
      output.writeInt(numPartitions);
      output.writeInt(maxPartitionId);
    }
  
    @Override
    public void readFields(DataInput input) throws IOException {
      int colSchemaSize = input.readInt();
      this.columnSchemaList = new ArrayList<>(colSchemaSize);
      for (int i = 0; i < colSchemaSize; i++) {
        ColumnSchema colSchema = new ColumnSchema();
        colSchema.readFields(input);
        this.columnSchemaList.add(colSchema);
      }
      this.partitionType = PartitionType.values()[input.readInt()];
      if (PartitionType.RANGE.equals(this.partitionType)) {
        int rangeSize = input.readInt();
        this.rangeInfo = new ArrayList<>(rangeSize);
        for (int i = 0; i < rangeSize; i++) {
          rangeInfo.add(input.readUTF());
        }
      }
      int partitionIdSize = input.readInt();
      partitionIds = new ArrayList<>(partitionIdSize);
      for (int i = 0; i < partitionIdSize; i++) {
        partitionIds.add(input.readInt());
      }
      if (PartitionType.LIST.equals(partitionType)) {
        int listInfoSize = input.readInt();
        int aListSize;
        this.listInfo = new ArrayList<>(listInfoSize);
        for (int i = 0; i < listInfoSize; i++) {
          aListSize = input.readInt();
          List<String> aList = new ArrayList<>(aListSize);
          for (int j = 0; j < aListSize; j++) {
            aList.add(input.readUTF());
          }
          this.listInfo.add(aList);
        }
      }
  
      numPartitions = input.readInt();
      maxPartitionId = input.readInt();
    }
  }
  