Package com._1c.g5.v8.bm.common.collections

Class BmLongSegmentSyncMap<T>

java.lang.Object

com._1c.g5.v8.bm.common.collections.BmLongSegmentSyncMap<T>

All Implemented Interfaces:

IBmLongMap<T>

public class BmLongSegmentSyncMap<T>
extends Object
implements IBmLongMap<T>

A Long map with segment synchronization. Implementation limited only for put/get/remove operations. Iterations are not supported.

Nested Class Summary

Nested classes/interfaces inherited from interface com._1c.g5.v8.bm.common.collections.IBmLongMap

IBmLongMap.IEntry<V>

Constructor Summary

Constructors

Constructor	Description
BmLongSegmentSyncMap(int segmentCount)	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
void	clear()	Removes all mappings from this hash map, leaving it empty.
boolean	containsKey(long key)	Checks if the map contains the specified key.
Iterable<IBmLongMap.IEntry<T>>	entryIterable()	Returns a Iterable view of the entries in this map.
T	get(long key)	Returns the value of the mapping with the specified key.
boolean	isEmpty()	Returns whether this map is empty.
Collection<Long>	keys()	Gets keys contained in this map.
T	put(long key, T value)	Maps the specified key to the specified value.
void	putAll(Map<Long,T> map)	Copies all of the mappings from the specified map to this map.
T	remove(long key)	Removes the mapping with the specified key from this map.
int	size()	Returns the number of elements in this map.
Collection<T>	values()	Gets values contained in this map.

Methods inherited from class java.lang.Object

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

Constructor Detail

BmLongSegmentSyncMap

public BmLongSegmentSyncMap(int segmentCount)

Constructs a new instance.

Parameters:

segmentCount - The segment count, must be a power of two.

Method Detail

clear

public void clear()

Description copied from interface: IBmLongMap

Removes all mappings from this hash map, leaving it empty.

Specified by:

clear in interface IBmLongMap<T>

See Also:

IBmLongMap.isEmpty(), IBmLongMap.size()

get

public T get(long key)

Description copied from interface: IBmLongMap

Returns the value of the mapping with the specified key.

Specified by:

get in interface IBmLongMap<T>

Parameters:

key - the key.

Returns:

the value of the mapping with the specified key, or null if no mapping for the specified key is found.

put

public T put(long key,
             T value)

Description copied from interface: IBmLongMap

Maps the specified key to the specified value.

Specified by:

put in interface IBmLongMap<T>

Parameters:

key - the key.

value - the value.

Returns:

the value of any previous mapping with the specified key or null if there was no such mapping.

putAll

public void putAll(Map<Long,T> map)

Copies all of the mappings from the specified map to this map.

Parameters:

map - the map to copy mappings from, may not be null.

remove

public T remove(long key)

Description copied from interface: IBmLongMap

Removes the mapping with the specified key from this map.

Specified by:

remove in interface IBmLongMap<T>

Parameters:

key - the key of the mapping to remove.

Returns:

the value of the removed mapping or null if no mapping for the specified key was found.

containsKey

public boolean containsKey(long key)

Description copied from interface: IBmLongMap

Checks if the map contains the specified key.

Specified by:

containsKey in interface IBmLongMap<T>

Parameters:

key - the key to check.

Returns:

true if the map contains the specified key, false otherwise.

entryIterable

public Iterable<IBmLongMap.IEntry<T>> entryIterable()

Description copied from interface: IBmLongMap

Returns a Iterable view of the entries in this map.

Specified by:

entryIterable in interface IBmLongMap<T>

Returns:

keys

public Collection<Long> keys()

Description copied from interface: IBmLongMap

Gets keys contained in this map.

Specified by:

keys in interface IBmLongMap<T>

Returns:

a collection of keys, never null.

values

public Collection<T> values()

Description copied from interface: IBmLongMap

Gets values contained in this map.

Specified by:

values in interface IBmLongMap<T>

Returns:

a collection of values, never null.

size

public int size()

Description copied from interface: IBmLongMap

Returns the number of elements in this map.

Specified by:

size in interface IBmLongMap<T>

Returns:

the number of elements in this map.

isEmpty

public boolean isEmpty()

Description copied from interface: IBmLongMap

Returns whether this map is empty.

Specified by:

isEmpty in interface IBmLongMap<T>

Returns:

true if this map has no elements, false otherwise.

See Also:

IBmLongMap.size()