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.table.arrow.constructor;
  
  import org.apache.arrow.vector.TimeStampVector;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  
  /**
   * {@link ArrowFieldWriter} for TimeStamp.
   */
  public abstract class ArrowTimeStampWriter<IN> extends ArrowFieldWriter<IN> {
  
      public ArrowTimeStampWriter(TimeStampVector timeStampVector) {
          super(timeStampVector);
      }
  
      @Override
      protected void setNull() {
          ((TimeStampVector) valueVector).setNull(count);
      }
  
      @Override
      protected void setValue(IN row, int ordinal) {
          ((TimeStampVector) valueVector).setSafe(count, readEpochTime(row, ordinal));
      }
  
      public ArrowType.Timestamp getType() {
          return (ArrowType.Timestamp) valueVector.getField().getType();
      }
  
      abstract protected long readEpochTime(IN row, int ordinal);
  }
  