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.column;
  
  /**
   * class represent column(measure) in table
   */
  public class CarbonMeasure extends CarbonColumn {
  
    /**
     * serialization version
     */
    private static final long serialVersionUID = 354341488059013977L;
  
    public CarbonMeasure(ColumnSchema columnSchema, int ordinal) {
      this(columnSchema, ordinal, 0);
    }
  
    public CarbonMeasure(ColumnSchema columnSchema, int ordinal, int schemaOrdinal) {
      super(columnSchema, ordinal, schemaOrdinal);
    }
  
    /**
     * @return the scale
     */
    public int getScale() {
      return columnSchema.getScale();
    }
  
    /**
     * @return the precision
     */
    public int getPrecision() {
      return columnSchema.getPrecision();
    }
  
    /**
     * to check whether to dimension are equal or not
     */
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null) {
        return false;
      }
      if (!(obj instanceof CarbonMeasure)) {
        return false;
      }
      CarbonMeasure other = (CarbonMeasure) obj;
      if (columnSchema == null) {
        if (other.columnSchema != null) {
          return false;
        }
      } else if (!columnSchema.equals(other.columnSchema)) {
        return false;
      }
      return true;
    }
  
    /**
     * hash code
     * @return
     */
    @Override
    public int hashCode() {
      return this.getColumnSchema().getColumnUniqueId().hashCode();
    }
  }
  