Uses of Package
org.mapdb

Classes in org.mapdb used by org.mapdb

Class and Description
Atomic.Boolean A boolean record that may be updated atomically.
Atomic.Integer An int record that may be updated atomically.
Atomic.Long A long record that may be updated atomically.
Atomic.String A String record that may be updated atomically.
Atomic.Var Atomically updated variable which may contain any type of record.
Bind.MapListener Listener called when Map is modified.
Bind.MapWithModificationListener Primary Maps must provide notifications when it is modified.
BTreeKeySerializer Custom serializer for BTreeMap keys which enables [Delta encoding](https://en.wikipedia.org/wiki/Delta_encoding).
BTreeKeySerializer.ByteArrayKeys
BTreeKeySerializer.CharArrayKeys
BTreeKeySerializer.StringArrayKeys
BTreeMap A scalable concurrent ConcurrentNavigableMap implementation.
BTreeMap.BNode common interface for BTree node
BTreeMap.DescendingMap
BTreeMap.DirNode
BTreeMap.LeafNode
BTreeMap.SubMap
BTreeMap.ValRef if valsOutsideNodes is true, this class is used instead of values.
CompressLZF This class implements the LZF lossless data compression algorithm.
DataIO.DataInputByteBuffer Wraps ByteBuffer and provides DataInput
DataIO.DataInputInternal Give access to internal byte[] or ByteBuffer in DataInput2..
DataIO.DataOutputByteArray Provides DataOutput implementation on top of growable byte[] ByteArrayOutputStream is not used as it requires byte[] copying
DataIO.HeartbeatFileLock File locking mechanism.
DB A database with easy access to named maps and other collections.
DB.BTreeMapMaker
DB.BTreeSetMaker
DB.HTreeMapMaker
DB.HTreeSetMaker
DB.IdentityWrapper changes object hash and equals method to use identity
DBException General exception returned by MapDB if something goes wrong.
DBException.DataCorruption
DBException.VolumeClosed
DBException.VolumeIOError
DBMaker.Maker
EncryptionXTEA An implementation of the EncryptionXTEA block cipher algorithm.
Engine Centerpiece for record management, Engine is simple key value store.
Engine.ReadOnly
Fun.Function0 function which takes no argument and returns one value
Fun.Function1 function which takes one argument and returns one value
Fun.Function1Int function which takes one int argument and returns one value
Fun.Function2 function which takes two argument and returns one value
Fun.Pair
Fun.RecordCondition decides if some action should be executed on an record
HTreeMap Thread safe concurrent HashMap
HTreeMap.ExpireLinkNode
HTreeMap.LinkedNode node which holds key-value pair
Queues.SimpleQueue
Queues.SimpleQueue.Node
Serializer Provides serialization and deserialization
Serializer.EightByteSerializer
Serializer.FourByteSerializer
SerializerBase Serializer which uses 'header byte' to serialize/deserialize most of classes from 'java.lang' and 'java.util' packages.
SerializerBase.Deser
SerializerBase.FastArrayList Utility class similar to ArrayList, but with fast identity search.
SerializerBase.Ser
SerializerPojo Serializer which handles POJO, object graphs etc.
SerializerPojo.ClassInfo Stores info about single class stored in MapDB.
SerializerPojo.FieldInfo Stores info about single field stored in MapDB.
Store
Store.Cache Cache implementation, part of Store class.
Store.Cache.WeakSoftRef.CacheItem
Store.LongLongMap Open Hash Map which uses primitive long as values and keys.
Store.LongObjectMap Open Hash Map which uses primitive long as keys.
Store.LongObjectObjectMap Open Hash Map which uses primitive long as keys.
StoreAppend append only store
StoreCached Extends StoreDirect with Write Cache
StoreDirect
StoreDirect.Snapshot
StoreHeap Store which keeps all instances on heap.
StoreHeap.Snapshot
TxBlock Wraps single transaction in a block
TxEngine.Tx
TxMaker Transaction factory
TxRollbackException Exception thrown when transaction is rolled back.
Volume MapDB abstraction over raw storage (file, disk partition, memory etc...).
Volume.ByteBufferVol Abstract Volume over bunch of ByteBuffers It leaves ByteBufferVol details (allocation, disposal) on subclasses.
Volume.ByteBufferVolSingle Abstract Volume over single ByteBuffer, maximal size is 2GB (32bit limit).
Volume.VolumeFactory
WriteAheadLog WAL shared between StoreWAL and StoreAppend
WriteAheadLog.WALReplay