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.cassandra.schema;
  
  import java.io.IOException;
  
  import com.google.common.base.MoreObjects;
  import com.google.common.base.Objects;
  
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.io.util.DataOutputPlus;
  import org.apache.cassandra.tcm.serialization.UDTAndFunctionsAwareMetadataSerializer;
  import org.apache.cassandra.tcm.serialization.Version;
  
  import static org.apache.cassandra.db.TypeSizes.sizeof;
  
  
  public final class DroppedColumn
  {
      public static final Serializer serializer = new Serializer();
  
      public final ColumnMetadata column;
      public final long droppedTime; // drop timestamp, in microseconds, yet with millisecond granularity
  
      public DroppedColumn(ColumnMetadata column, long droppedTime)
      {
          this.column = column;
          this.droppedTime = droppedTime;
      }
  
      @Override
      public boolean equals(Object o)
      {
          if (this == o)
              return true;
  
          if (!(o instanceof DroppedColumn))
              return false;
  
          DroppedColumn dc = (DroppedColumn) o;
  
          return column.equals(dc.column) && droppedTime == dc.droppedTime;
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hashCode(column, droppedTime);
      }
  
      @Override
      public String toString()
      {
          return MoreObjects.toStringHelper(this).add("column", column).add("droppedTime", droppedTime).toString();
      }
  
      public static class Serializer implements UDTAndFunctionsAwareMetadataSerializer<DroppedColumn>
      {
          public void serialize(DroppedColumn t, DataOutputPlus out, Version version) throws IOException
          {
              out.writeLong(t.droppedTime);
              ColumnMetadata.serializer.serialize(t.column, out, version);
          }
  
          public DroppedColumn deserialize(DataInputPlus in, Types types, UserFunctions functions, Version version) throws IOException
          {
              long droppedTime = in.readLong();
              ColumnMetadata column = ColumnMetadata.serializer.deserialize(in, types, functions, version);
              return new DroppedColumn(column, droppedTime);
          }
  
          public long serializedSize(DroppedColumn t, Version version)
          {
              return sizeof(t.droppedTime)
                     + ColumnMetadata.serializer.serializedSize(t.column, version);
          }
      }
  }
  