Package org.h2.mvstore

A persistent storage for tree maps.

Interface Summary

Interface	Description
MVMap.MapBuilder<M extends MVMap<K,V>,K,V>	A builder for maps.

Class Summary

Class	Description
AppendOnlyMultiFileStore	Class AppendOnlyMultiFileStore.
Chunk<C extends Chunk<C>>	A chunk of data, containing one or multiple pages.
Chunk.PositionComparator<C extends Chunk<C>>
Cursor<K,V>	A cursor to iterate over elements in ascending or descending order.
CursorPos<K,V>	A position in a cursor.
DataUtils	Utility methods
FileStore<C extends Chunk<C>>	Class FileStore is a base class to allow for different store implementations.
FreeSpaceBitSet	A free space bit set.
MVMap<K,V>	A stored map.
MVMap.BasicBuilder<M extends MVMap<K,V>,K,V>	A builder for this class.
MVMap.Builder<K,V>	A builder for this class.
MVMap.DecisionMaker<V>	Class DecisionMaker provides callback interface (and should become a such in Java 8) for MVMap.operate() method.
MVStore	A persistent storage for maps.
MVStore.Builder	A builder for an MVStore.
MVStore.TxCounter	Class TxCounter is a simple data structure to hold version of the store along with the counter of open transactions, which are still operating on this version.
MVStoreTool	Utility methods used in combination with the MVStore.
OffHeapStore	A storage mechanism that "persists" data in the off-heap area of the main memory.
Page<K,V>	A page (a node or a leaf).
Page.PageReference<K,V>	A pointer to a page, either in-memory or using a page position.
RandomAccessStore	Class RandomAccessStore.
RootReference<K,V>	Class RootReference is an immutable structure to represent state of the MVMap as a whole (not related to a particular B-Tree node).
SFChunk	Class SFChunk.
SingleFileStore	The default storage mechanism of the MVStore.
StreamStore	A facility to store streams in a map.
WriteBuffer	An auto-resize buffer to write data into a ByteBuffer.

Enum Summary

Enum	Description
MVMap.Decision	The decision on what to do on an update.

Exception Summary

Exception	Description
MVStoreException	Various kinds of MVStore problems, along with associated error code.