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.rows;
  
  import java.util.Objects;
  
  import org.apache.cassandra.db.marshal.ValueAccessor;
  import org.apache.cassandra.schema.TableMetadata;
  import org.apache.cassandra.db.*;
  import org.apache.cassandra.utils.ObjectSizes;
  import org.apache.cassandra.utils.memory.ByteBufferCloner;
  
  /**
   * A range tombstone marker that indicates the bound of a range tombstone (start or end).
   */
  public class RangeTombstoneBoundMarker extends AbstractRangeTombstoneMarker<ClusteringBound<?>>
  {
      private static final long EMPTY_SIZE = ObjectSizes.measure(new RangeTombstoneBoundMarker(new ArrayClusteringBound(ClusteringPrefix.Kind.INCL_START_BOUND, AbstractArrayClusteringPrefix.EMPTY_VALUES_ARRAY), null));
  
      private final DeletionTime deletion;
  
      public RangeTombstoneBoundMarker(ClusteringBound<?> bound, DeletionTime deletion)
      {
          super(bound);
          this.deletion = deletion;
      }
  
      public static <V> RangeTombstoneBoundMarker inclusiveOpen(boolean reversed, V[] boundValues, ValueAccessor<V> accessor,  DeletionTime deletion)
      {
          ClusteringBound<V> bound = accessor.factory().inclusiveOpen(reversed, boundValues);
          return new RangeTombstoneBoundMarker(bound, deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker inclusiveOpen(boolean reversed, ClusteringPrefix<V> from,  DeletionTime deletion)
      {
          return inclusiveOpen(reversed, from.getRawValues(), from.accessor(), deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker exclusiveOpen(boolean reversed, V[] boundValues, ValueAccessor<V> accessor, DeletionTime deletion)
      {
          ClusteringBound<V> bound = accessor.factory().exclusiveOpen(reversed, boundValues);
          return new RangeTombstoneBoundMarker(bound, deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker exclusiveOpen(boolean reversed, ClusteringPrefix<V> from, DeletionTime deletion)
      {
          return exclusiveOpen(reversed, from.getRawValues(), from.accessor(), deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker inclusiveClose(boolean reversed, V[] boundValues, ValueAccessor<V> accessor, DeletionTime deletion)
      {
          ClusteringBound<V> bound = accessor.factory().inclusiveClose(reversed, boundValues);
          return new RangeTombstoneBoundMarker(bound, deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker inclusiveClose(boolean reversed, ClusteringPrefix<V> from, DeletionTime deletion)
      {
          return inclusiveClose(reversed, from.getRawValues(), from.accessor(), deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker exclusiveClose(boolean reversed, V[] boundValues, ValueAccessor<V> accessor, DeletionTime deletion)
      {
          ClusteringBound<V> bound = accessor.factory().exclusiveClose(reversed, boundValues);
          return new RangeTombstoneBoundMarker(bound, deletion);
      }
  
      public static <V> RangeTombstoneBoundMarker exclusiveClose(boolean reversed, ClusteringPrefix<V> from, DeletionTime deletion)
      {
          return exclusiveClose(reversed, from.getRawValues(), from.accessor(), deletion);
      }
  
      public boolean isBoundary()
      {
          return false;
      }
  
      public boolean hasInvalidDeletions()
      {
          return !deletionTime().validate();
      }
  
      /**
       * The deletion time for the range tombstone this is a bound of.
       */
      public DeletionTime deletionTime()
      {
          return deletion;
      }
  
      public DeletionTime openDeletionTime(boolean reversed)
      {
          if (!isOpen(reversed))
              throw new IllegalStateException();
          return deletion;
      }
  
      public DeletionTime closeDeletionTime(boolean reversed)
      {
          if (isOpen(reversed))
              throw new IllegalStateException();
          return deletion;
      }
  
      public boolean openIsInclusive(boolean reversed)
      {
          if (!isOpen(reversed))
              throw new IllegalStateException();
          return bound.isInclusive();
      }
  
      public boolean closeIsInclusive(boolean reversed)
      {
          if (isOpen(reversed))
              throw new IllegalStateException();
          return bound.isInclusive();
      }
  
      public ClusteringBound<?> openBound(boolean reversed)
      {
          return isOpen(reversed) ? clustering() : null;
      }
  
      public ClusteringBound<?> closeBound(boolean reversed)
      {
          return isClose(reversed) ? clustering() : null;
      }
  
      @Override
      public RangeTombstoneBoundMarker clone(ByteBufferCloner cloner)
      {
          return new RangeTombstoneBoundMarker(clustering().clone(cloner), deletion);
      }
  
      public RangeTombstoneBoundMarker withNewOpeningDeletionTime(boolean reversed, DeletionTime newDeletionTime)
      {
          if (!isOpen(reversed))
              throw new IllegalStateException();
  
          return new RangeTombstoneBoundMarker(clustering(), newDeletionTime);
      }
  
      public void digest(Digest digest)
      {
          bound.digest(digest);
          deletion.digest(digest);
      }
  
      @Override
      public long unsharedHeapSize()
      {
          return EMPTY_SIZE + deletion.unsharedHeapSize();
      }
  
      public String toString(TableMetadata metadata)
      {
          return String.format("Marker %s@%d/%d", bound.toString(metadata), deletion.markedForDeleteAt(), deletion.localDeletionTime());
      }
  
      @Override
      public boolean equals(Object other)
      {
          if(!(other instanceof RangeTombstoneBoundMarker))
              return false;
  
          RangeTombstoneBoundMarker that = (RangeTombstoneBoundMarker)other;
          return this.bound.equals(that.bound)
              && this.deletion.equals(that.deletion);
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hash(bound, deletion);
      }
  }
  
  