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.db.marshal;
  
  import java.nio.ByteBuffer;
  
  import org.apache.cassandra.cql3.CQL3Type;
  import org.apache.cassandra.cql3.terms.Constants;
  import org.apache.cassandra.cql3.Duration;
  import org.apache.cassandra.cql3.terms.Term;
  import org.apache.cassandra.serializers.MarshalException;
  import org.apache.cassandra.serializers.SimpleDateSerializer;
  import org.apache.cassandra.serializers.TypeSerializer;
  import org.apache.cassandra.transport.ProtocolVersion;
  import org.apache.cassandra.utils.ByteBufferUtil;
  import org.apache.cassandra.utils.bytecomparable.ByteComparable;
  import org.apache.cassandra.utils.bytecomparable.ByteComparable.Version;
  import org.apache.cassandra.utils.bytecomparable.ByteSource;
  import org.apache.cassandra.utils.bytecomparable.ByteSourceInverse;
  
  import static org.apache.cassandra.cql3.statements.RequestValidations.invalidRequest;
  
  public class SimpleDateType extends TemporalType<Integer>
  {
      public static final SimpleDateType instance = new SimpleDateType();
  
      private static final ByteBuffer MASKED_VALUE = instance.decompose(SimpleDateSerializer.timeInMillisToDay(0));
  
      SimpleDateType() {super(ComparisonType.BYTE_ORDER);} // singleton
  
      @Override
      public <V> ByteSource asComparableBytes(ValueAccessor<V> accessor, V data, Version version)
      {
          // While BYTE_ORDER would still work for this type, making use of the fixed length is more efficient.
          // This type does not allow non-present values, but we do just to avoid future complexity.
          return ByteSource.optionalFixedLength(accessor, data);
      }
  
      @Override
      public <V> V fromComparableBytes(ValueAccessor<V> accessor, ByteSource.Peekable comparableBytes, ByteComparable.Version version)
      {
          return ByteSourceInverse.getOptionalFixedLength(accessor, comparableBytes, 4);
      }
  
      public ByteBuffer fromString(String source) throws MarshalException
      {
          return ByteBufferUtil.bytes(SimpleDateSerializer.dateStringToDays(source));
      }
  
      @Override
      public ByteBuffer fromTimeInMillis(long millis) throws MarshalException
      {
          return ByteBufferUtil.bytes(SimpleDateSerializer.timeInMillisToDay(millis));
      }
  
      @Override
      public long toTimeInMillis(ByteBuffer buffer) throws MarshalException
      {
          return SimpleDateSerializer.dayToTimeInMillis(ByteBufferUtil.toInt(buffer));
      }
  
      @Override
      public boolean isValueCompatibleWithInternal(AbstractType<?> otherType)
      {
          return this == otherType || otherType == Int32Type.instance;
      }
  
      public Term fromJSONObject(Object parsed) throws MarshalException
      {
          try
          {
              return new Constants.Value(fromString((String) parsed));
          }
          catch (ClassCastException exc)
          {
              throw new MarshalException(String.format(
                      "Expected a string representation of a date value, but got a %s: %s",
                      parsed.getClass().getSimpleName(), parsed));
          }
      }
  
      @Override
      public String toJSONString(ByteBuffer buffer, ProtocolVersion protocolVersion)
      {
          return '"' + SimpleDateSerializer.instance.toString(SimpleDateSerializer.instance.deserialize(buffer)) + '"';
      }
  
      @Override
      public CQL3Type asCQL3Type()
      {
          return CQL3Type.Native.DATE;
      }
  
      public TypeSerializer<Integer> getSerializer()
      {
          return SimpleDateSerializer.instance;
      }
  
      @Override
      protected void validateDuration(Duration duration)
      {
          // Checks that the duration has no data below days.
          if (!duration.hasDayPrecision())
              throw invalidRequest("The duration must have a day precision. Was: %s", duration);
      }
  
      @Override
      public ByteBuffer getMaskedValue()
      {
          return MASKED_VALUE;
      }
  }
  