# Hierarchy For Package org.apache.cassandra.db.partitions

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.cassandra.db.partitions.AbstractBTreePartition (implements java.lang.Iterable<T>, org.apache.cassandra.db.partitions.Partition)
    - org.apache.cassandra.db.partitions.AtomicBTreePartition
    - org.apache.cassandra.db.partitions.ImmutableBTreePartition
      - org.apache.cassandra.db.partitions.CachedBTreePartition (implements org.apache.cassandra.db.partitions.CachedPartition)
      - org.apache.cassandra.db.partitions.FilteredPartition
    - org.apache.cassandra.db.partitions.PartitionUpdate
  - org.apache.cassandra.db.partitions.AbstractBTreePartition.Holder
  - org.apache.cassandra.utils.AbstractIterator<V> (implements java.util.Iterator<E>, com.google.common.collect.PeekingIterator<E>)
    - org.apache.cassandra.db.rows.AbstractUnfilteredRowIterator (implements org.apache.cassandra.db.rows.UnfilteredRowIterator)
      - org.apache.cassandra.db.partitions.AbstractBTreePartition.SlicesIterator
  - org.apache.cassandra.db.partitions.AbstractUnfilteredPartitionIterator (implements org.apache.cassandra.db.partitions.UnfilteredPartitionIterator)
  - org.apache.cassandra.db.partitions.PartitionIterators
  - org.apache.cassandra.db.partitions.PartitionUpdate.CounterMark
  - org.apache.cassandra.db.partitions.PartitionUpdate.PartitionUpdateSerializer
  - org.apache.cassandra.db.partitions.SingletonUnfilteredPartitionIterator (implements org.apache.cassandra.db.partitions.UnfilteredPartitionIterator)
  - org.apache.cassandra.db.transform.Transformation<I>
    - org.apache.cassandra.db.partitions.PurgeFunction
  - org.apache.cassandra.db.partitions.UnfilteredPartitionIterators
  - org.apache.cassandra.db.partitions.UnfilteredPartitionIterators.Serializer

## Interface Hierarchy

- java.lang.AutoCloseable
  - org.apache.cassandra.utils.CloseableIterator<T> (also extends java.util.Iterator<E>)
    - org.apache.cassandra.db.partitions.BasePartitionIterator<I>
      - org.apache.cassandra.db.partitions.PartitionIterator
      - org.apache.cassandra.db.partitions.UnfilteredPartitionIterator
- org.apache.cassandra.cache.IRowCacheEntry
  - org.apache.cassandra.db.partitions.CachedPartition (also extends org.apache.cassandra.db.partitions.Partition)
- java.util.Iterator<E>
  - org.apache.cassandra.utils.CloseableIterator<T> (also extends java.lang.AutoCloseable)
    - org.apache.cassandra.db.partitions.BasePartitionIterator<I>
      - org.apache.cassandra.db.partitions.PartitionIterator
      - org.apache.cassandra.db.partitions.UnfilteredPartitionIterator
- org.apache.cassandra.db.partitions.Partition
  - org.apache.cassandra.db.partitions.CachedPartition (also extends org.apache.cassandra.cache.IRowCacheEntry)
- org.apache.cassandra.db.partitions.PartitionStatisticsCollector
- org.apache.cassandra.db.partitions.PartitionUpdate.SimpleBuilder
- org.apache.cassandra.db.partitions.PartitionUpdate.SimpleBuilder.RangeTombstoneBuilder
- org.apache.cassandra.db.partitions.UnfilteredPartitionIterators.MergeListener