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.table;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.Objects;
  
  /**
   * class to maintain the relation between parent and child
   */
  public class RelationIdentifier implements Serializable, Writable {
  
    private String databaseName;
  
    private String tableName;
  
    private String tableId;
  
    private String tablePath = "";
  
    private String provider = "carbondata";
  
    public RelationIdentifier(String databaseName, String tableName, String tableId) {
      this.databaseName = databaseName;
      this.tableName = tableName;
      this.tableId = tableId;
    }
  
    public String getDatabaseName() {
      return databaseName;
    }
  
    public String getTableName() {
      return tableName;
    }
  
    public String getTableId() {
      return tableId;
    }
  
    public String getTablePath() {
      return tablePath;
    }
  
    public void setTablePath(String tablePath) {
      this.tablePath = tablePath;
    }
  
    public String getProvider() {
      return provider;
    }
  
    public void setProvider(String provider) {
      this.provider = provider;
    }
  
    public boolean isCarbonDataTable() {
      return provider.equalsIgnoreCase("carbondata");
    }
  
    @Override
    public void write(DataOutput out) throws IOException {
      out.writeUTF(databaseName);
      out.writeUTF(tableName);
      out.writeUTF(tableId);
      out.writeUTF(tablePath);
      out.writeUTF(provider);
    }
  
    @Override
    public void readFields(DataInput in) throws IOException {
      this.databaseName = in.readUTF();
      this.tableName = in.readUTF();
      this.tableId = in.readUTF();
      this.tablePath = in.readUTF();
      this.provider = in.readUTF();
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;
  
      RelationIdentifier that = (RelationIdentifier) o;
  
      if (!Objects.equals(databaseName, that.databaseName)) {
        return false;
      }
      if (!Objects.equals(tableName, that.tableName)) {
        return false;
      }
      if (!Objects.equals(provider, that.provider)) {
        return false;
      }
      return Objects.equals(tableId, that.tableId);
    }
  
    @Override
    public int hashCode() {
      int result = databaseName != null ? databaseName.hashCode() : 0;
      result = 31 * result + (tableName != null ? tableName.hashCode() : 0);
      result = 31 * result + (tableId != null ? tableId.hashCode() : 0);
      result = 31 * result + (provider != null ? provider.hashCode() : 0);
      return result;
    }
  
    @Override
    public String toString() {
      return databaseName + "." + tableName;
    }
  }
  