Package tools.refinery.store.map.internal.state

Class VersionedMapStateImpl<K,V>

java.lang.Object

tools.refinery.store.map.internal.state.VersionedMapStateImpl<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

AnyVersionedMap, Versioned, VersionedMap<K,V>

public class VersionedMapStateImpl<K,V>
extends Object
implements VersionedMap<K,V>

Not threadSafe in itself

Field Summary

Fields

Modifier and Type	Field	Description
protected final V	defaultValue
protected final ContinuousHashProvider<K>	hashProvider
protected Node<K,V>	root
protected final VersionedMapStoreStateImpl<K,V>	store

Constructor Summary

Constructors

Constructor	Description
VersionedMapStateImpl(VersionedMapStoreStateImpl<K,V> store, ContinuousHashProvider<K> hashProvider, V defaultValue)
VersionedMapStateImpl(VersionedMapStoreStateImpl<K,V> store, ContinuousHashProvider<K> hashProvider, V defaultValue, Node<K,V> data)

Method Summary

Modifier and Type	Method	Description
void	checkIntegrity()	Checks the integrity of the map, and throws an exception if an inconsistency is detected.
Version	commit()	Saves the state of the object.
boolean	contentEquals(AnyVersionedMap other)
int	contentHashCode(ContentHashCode mode)
V	get(K key)
Cursor<K,V>	getAll()
V	getDefaultValue()
DiffCursor<K,V>	getDiffCursor(Version toVersion)
ContinuousHashProvider<K>	getHashProvider()
long	getSize()
String	prettyPrint()
V	put(K key, V value)
void	putAll(Cursor<K,V> cursor)
void	restore(Version state)	Restores the state of the object.
void	setRoot(Node<K,V> root)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface tools.refinery.store.map.AnyVersionedMap

equals, hashCode

Field Details

store

protected final VersionedMapStoreStateImpl<K,V> store

hashProvider

protected final ContinuousHashProvider<K> hashProvider

defaultValue

protected final V defaultValue

root

protected Node<K,V> root

Constructor Details

VersionedMapStateImpl

public VersionedMapStateImpl(VersionedMapStoreStateImpl<K,V> store,
 ContinuousHashProvider<K> hashProvider,
 V defaultValue)

VersionedMapStateImpl

public VersionedMapStateImpl(VersionedMapStoreStateImpl<K,V> store,
 ContinuousHashProvider<K> hashProvider,
 V defaultValue,
 Node<K,V> data)

Method Details

getDefaultValue

public V getDefaultValue()

Specified by:

getDefaultValue in interface VersionedMap<K,V>

getHashProvider

public ContinuousHashProvider<K> getHashProvider()

put

public V put(K key,
 V value)

Specified by:

put in interface VersionedMap<K,V>

putAll

public void putAll(Cursor<K,V> cursor)

Specified by:

putAll in interface VersionedMap<K,V>

get

public V get(K key)

Specified by:

get in interface VersionedMap<K,V>

getSize

public long getSize()

Specified by:

getSize in interface AnyVersionedMap

getAll

public Cursor<K,V> getAll()

Specified by:

getAll in interface VersionedMap<K,V>

getDiffCursor

public DiffCursor<K,V> getDiffCursor(Version toVersion)

Specified by:

getDiffCursor in interface VersionedMap<K,V>

commit

public Version commit()

Description copied from interface: Versioned

Saves the state of the object.

Specified by:

commit in interface Versioned

Returns:

an object that marks the version of the object at the time the function was called.

setRoot

public void setRoot(Node<K,V> root)

restore

public void restore(Version state)

Description copied from interface: Versioned

Restores the state of the object.

Specified by:

restore in interface Versioned

Parameters:

state - a Version object that marks the version. The state must be a Version object returned by a previous Versioned.commit()!

prettyPrint

public String prettyPrint()

checkIntegrity

public void checkIntegrity()

Description copied from interface: AnyVersionedMap

Checks the integrity of the map, and throws an exception if an inconsistency is detected.

Specified by:

checkIntegrity in interface AnyVersionedMap

contentHashCode

public int contentHashCode(ContentHashCode mode)

Specified by:

contentHashCode in interface AnyVersionedMap

contentEquals

public boolean contentEquals(AnyVersionedMap other)

Specified by:

contentEquals in interface AnyVersionedMap