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 com.aliyun.odps.local.common;
  
  import java.util.Arrays;
  import java.util.List;
  
  import com.aliyun.odps.utils.StringUtils;
  
  import com.aliyun.odps.Column;
  import com.aliyun.odps.Table;
  
  public class TableMeta {
  
    private String projName;
  
    private String tableName;
  
    private Column[] cols;
  
    private Column[] partitions;
  
    public TableMeta(String projName, String tableName, Column[] cols) {
      this.projName = projName;
      this.tableName = tableName;
      this.cols = cols;
    }
  
    public TableMeta(String projName, String tableName, Column[] cols, Column[] partitions) {
      this.projName = projName;
      this.tableName = tableName;
      this.cols = cols;
      if (partitions != null && partitions.length > 0) {
        this.partitions = partitions;
      }
    }
  
    public String getProjName() {
      return projName;
    }
  
    public void setProjName(String projName) {
      this.projName = projName;
    }
  
    public String getTableName() {
      return tableName;
    }
  
    public void setTableName(String tableName) {
      this.tableName = tableName;
    }
  
    public Column[] getCols() {
      return cols;
    }
  
    public void setCols(Column[] cols) {
      this.cols = cols;
    }
  
    public Column[] getPartitions() {
      return partitions;
    }
  
    public void setPartitions(Column[] partitions) {
      this.partitions = partitions;
    }
  
    public static TableMeta fromTable(Table table) {
      String projectName = table.getProject();
      String tableName = table.getName();
      List<Column> cols = table.getSchema().getColumns();
      List<Column> partitions = table.getSchema().getPartitionColumns();
  
      if (partitions == null || partitions.size() == 0) {
        return new TableMeta(projectName, tableName, cols.toArray(new Column[cols.size()]));
      } else {
        return new TableMeta(projectName, tableName, cols.toArray(new Column[cols.size()]),
                             partitions.toArray(new Column[partitions.size()]));
      }
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj instanceof TableMeta) {
        TableMeta that = (TableMeta) obj;
        boolean ret = StringUtils.equals(projName, that.projName)
                      && StringUtils.equals(tableName, that.tableName);
        if (ret) {
          ret = Arrays.equals(cols, that.cols);
        }
        if (ret) {
          if (partitions != null && that.partitions != null) {
            ret = Arrays.equals(partitions, that.partitions);
          } else if (partitions == null && that.partitions == null) {
          } else {
            return false;
          }
        }
        return ret;
      }
      return false;
    }
  
  }
  