gnu.trove.map.hash

Class TShortLongHashMap

java.lang.Object

gnu.trove.impl.hash.THash

gnu.trove.impl.hash.TPrimitiveHash

gnu.trove.impl.hash.TShortLongHash

gnu.trove.map.hash.TShortLongHashMap

All Implemented Interfaces:

TShortLongMap, java.io.Externalizable, java.io.Serializable

public class TShortLongHashMap
extends TShortLongHash
implements TShortLongMap, java.io.Externalizable

An open addressed Map implementation for short keys and long values.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	TShortLongHashMap.TKeyView a view onto the keys of the map.
protected class	TShortLongHashMap.TValueView a view onto the values of the map.

Field Summary

Fields

Modifier and Type	Field and Description
protected long[]	_values the values of the map

Fields inherited from class gnu.trove.impl.hash.TShortLongHash

_set, consumeFreeSlot, no_entry_key, no_entry_value

Fields inherited from class gnu.trove.impl.hash.TPrimitiveHash

_states, FREE, FULL, REMOVED

Fields inherited from class gnu.trove.impl.hash.THash

_autoCompactionFactor, _autoCompactRemovesRemaining, _autoCompactTemporaryDisable, _free, _loadFactor, _maxSize, _size, DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

Constructors

Constructor and Description
TShortLongHashMap() Creates a new TShortLongHashMap instance with the default capacity and load factor.
TShortLongHashMap(int initialCapacity) Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
TShortLongHashMap(int initialCapacity, float loadFactor) Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.
TShortLongHashMap(int initialCapacity, float loadFactor, short noEntryKey, long noEntryValue) Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.
TShortLongHashMap(short[] keys, long[] values) Creates a new TShortLongHashMap instance containing all of the entries in the map passed in.
TShortLongHashMap(TShortLongMap map) Creates a new TShortLongHashMap instance containing all of the entries in the map passed in.

Method Summary

Modifier and Type	Method and Description
long	adjustOrPutValue(short key, long adjust_amount, long put_amount) Adjusts the primitive value mapped to the key if the key is present in the map.
boolean	adjustValue(short key, long amount) Adjusts the primitive value mapped to key.
void	clear() Empties the collection.
boolean	containsKey(short key) Checks for the present of key in the keys of the map.
boolean	containsValue(long val) Checks for the presence of val in the values of the map.
boolean	equals(java.lang.Object other)
boolean	forEachEntry(TShortLongProcedure procedure) Executes procedure for each key/value entry in the map.
boolean	forEachKey(TShortProcedure procedure) Executes procedure for each key in the map.
boolean	forEachValue(TLongProcedure procedure) Executes procedure for each value in the map.
long	get(short key) Retrieves the value for key.
int	hashCode()
boolean	increment(short key) Increments the primitive value mapped to key by 1
boolean	isEmpty() Tells whether this set is currently holding any elements.
TShortLongIterator	iterator()
short[]	keys() Returns the keys of the map as an array of short values.
short[]	keys(short[] array) Returns the keys of the map.
TShortSet	keySet() Returns the keys of the map as a TShortSet
long	put(short key, long value) Inserts a key/value pair into the map.
void	putAll(java.util.Map<? extends java.lang.Short,? extends java.lang.Long> map) Put all the entries from the given Map into this map.
void	putAll(TShortLongMap map) Put all the entries from the given map into this map.
long	putIfAbsent(short key, long value) Inserts a key/value pair into the map if the specified key is not already associated with a value.
void	readExternal(java.io.ObjectInput in)
protected void	rehash(int newCapacity) Rehashes the set.
long	remove(short key) Deletes a key/value pair from the map.
protected void	removeAt(int index) Releases the element currently stored at index.
boolean	retainEntries(TShortLongProcedure procedure) Retains only those entries in the map for which the procedure returns a true value.
protected int	setUp(int initialCapacity) initializes the hashtable to a prime capacity which is at least initialCapacity + 1.
java.lang.String	toString()
void	transformValues(TLongFunction function) Transform the values in this map using function.
TLongCollection	valueCollection() Returns the values of the map as a TLongCollection
long[]	values() Returns the values of the map as an array of #e# values.
long[]	values(long[] array) Returns the values of the map using an existing array.
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class gnu.trove.impl.hash.TShortLongHash

contains, forEach, getNoEntryKey, getNoEntryValue, index, insertKey, XinsertKey

Methods inherited from class gnu.trove.impl.hash.TPrimitiveHash

capacity

Methods inherited from class gnu.trove.impl.hash.THash

calculateGrownCapacity, compact, computeMaxSize, computeNextAutoCompactionAmount, ensureCapacity, fastCeil, getAutoCompactionFactor, postInsertHook, reenableAutoCompaction, saturatedCast, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface gnu.trove.map.TShortLongMap

getNoEntryKey, getNoEntryValue, size

Field Detail

_values

protected transient long[] _values

the values of the map

Constructor Detail

TShortLongHashMap

public TShortLongHashMap()

Creates a new TShortLongHashMap instance with the default capacity and load factor.

TShortLongHashMap

public TShortLongHashMap(int initialCapacity)

Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.

Parameters:

initialCapacity - an int value

TShortLongHashMap

public TShortLongHashMap(int initialCapacity,
                         float loadFactor)

Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.

Parameters:

initialCapacity - an int value

loadFactor - a float value

TShortLongHashMap

public TShortLongHashMap(int initialCapacity,
                         float loadFactor,
                         short noEntryKey,
                         long noEntryValue)

Creates a new TShortLongHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.

Parameters:

initialCapacity - an int value

loadFactor - a float value

noEntryKey - a short value that represents null for the Key set.

noEntryValue - a long value that represents null for the Value set.

TShortLongHashMap

public TShortLongHashMap(short[] keys,
                         long[] values)

Creates a new TShortLongHashMap instance containing all of the entries in the map passed in.

Parameters:

keys - a short array containing the keys for the matching values.

values - a long array containing the values.

TShortLongHashMap

public TShortLongHashMap(TShortLongMap map)

Creates a new TShortLongHashMap instance containing all of the entries in the map passed in.

Parameters:

map - a TShortLongMap that will be duplicated.

Method Detail

setUp

protected int setUp(int initialCapacity)

initializes the hashtable to a prime capacity which is at least initialCapacity + 1.

Overrides:

setUp in class TShortLongHash

Parameters:

initialCapacity - an int value

Returns:

the actual capacity chosen

rehash

protected void rehash(int newCapacity)

Rehashes the set.

Specified by:

rehash in class THash

Parameters:

newCapacity - an int value

put

public long put(short key,
                long value)

Inserts a key/value pair into the map.

Specified by:

put in interface TShortLongMap

Returns:

the previous value associated with key, or the "no entry" value if none was found (see TShortLongMap.getNoEntryValue()).

putIfAbsent

public long putIfAbsent(short key,
                        long value)

Inserts a key/value pair into the map if the specified key is not already associated with a value.

Specified by:

putIfAbsent in interface TShortLongMap

Returns:

the previous value associated with key, or the "no entry" value if none was found (see TShortLongMap.getNoEntryValue()).

putAll

public void putAll(java.util.Map<? extends java.lang.Short,? extends java.lang.Long> map)

Put all the entries from the given Map into this map.

Specified by:

putAll in interface TShortLongMap

Parameters:

map - The Map from which entries will be obtained to put into this map.

putAll

public void putAll(TShortLongMap map)

Put all the entries from the given map into this map.

Specified by:

putAll in interface TShortLongMap

Parameters:

map - The map from which entries will be obtained to put into this map.

get

public long get(short key)

Retrieves the value for key.

Specified by:

get in interface TShortLongMap

Returns:

the previous value associated with key, or the "no entry" value if none was found (see TShortLongMap.getNoEntryValue()).

clear

public void clear()

Empties the collection.

Specified by:

clear in interface TShortLongMap

Overrides:

clear in class THash

isEmpty

public boolean isEmpty()

Tells whether this set is currently holding any elements.

Specified by:

isEmpty in interface TShortLongMap

Overrides:

isEmpty in class THash

Returns:

a boolean value

remove

public long remove(short key)

Deletes a key/value pair from the map.

Specified by:

remove in interface TShortLongMap

Parameters:

key - an short value

Returns:

the previous value associated with key, or the "no entry" value if none was found (see TShortLongMap.getNoEntryValue()).

removeAt

protected void removeAt(int index)

Releases the element currently stored at index.

Overrides:

removeAt in class TShortLongHash

Parameters:

index - an int value

keySet

public TShortSet keySet()

Returns the keys of the map as a TShortSet

Specified by:

keySet in interface TShortLongMap

Returns:

the keys of the map as a TShortSet

keys

public short[] keys()

Returns the keys of the map as an array of short values.

Specified by:

keys in interface TShortLongMap

Returns:

the keys of the map as an array of short values.

keys

public short[] keys(short[] array)

Returns the keys of the map.

Specified by:

keys in interface TShortLongMap

Parameters:

array - the array into which the elements of the list are to be stored, if it is big enough; otherwise, a new array of the same type is allocated for this purpose.

Returns:

the keys of the map as an array.

valueCollection

public TLongCollection valueCollection()

Returns the values of the map as a TLongCollection

Specified by:

valueCollection in interface TShortLongMap

Returns:

the values of the map as a TLongCollection

values

public long[] values()

Returns the values of the map as an array of #e# values.

Specified by:

values in interface TShortLongMap

Returns:

the values of the map as an array of #e# values.

values

public long[] values(long[] array)

Returns the values of the map using an existing array.

Specified by:

values in interface TShortLongMap

Parameters:

array - the array into which the elements of the list are to be stored, if it is big enough; otherwise, a new array of the same type is allocated for this purpose.

Returns:

the values of the map as an array of #e# values.

containsValue

public boolean containsValue(long val)

Checks for the presence of val in the values of the map.

Specified by:

containsValue in interface TShortLongMap

containsKey

public boolean containsKey(short key)

Checks for the present of key in the keys of the map.

Specified by:

containsKey in interface TShortLongMap

iterator

public TShortLongIterator iterator()

Specified by:

iterator in interface TShortLongMap

Returns:

a TShortLongIterator with access to this map's keys and values

forEachKey

public boolean forEachKey(TShortProcedure procedure)

Executes procedure for each key in the map.

Specified by:

forEachKey in interface TShortLongMap

Parameters:

procedure - a TShortProcedure value

Returns:

false if the loop over the keys terminated because the procedure returned false for some key.

forEachValue

public boolean forEachValue(TLongProcedure procedure)

Executes procedure for each value in the map.

Specified by:

forEachValue in interface TShortLongMap

Parameters:

procedure - a T#F#Procedure value

Returns:

false if the loop over the values terminated because the procedure returned false for some value.

forEachEntry

public boolean forEachEntry(TShortLongProcedure procedure)

Executes procedure for each key/value entry in the map.

Specified by:

forEachEntry in interface TShortLongMap

Parameters:

procedure - a TOShortLongProcedure value

Returns:

false if the loop over the entries terminated because the procedure returned false for some entry.

transformValues

public void transformValues(TLongFunction function)

Transform the values in this map using function.

Specified by:

transformValues in interface TShortLongMap

Parameters:

function - a TLongFunction value

retainEntries

public boolean retainEntries(TShortLongProcedure procedure)

Retains only those entries in the map for which the procedure returns a true value.

Specified by:

retainEntries in interface TShortLongMap

Parameters:

procedure - determines which entries to keep

Returns:

true if the map was modified.

increment

public boolean increment(short key)

Increments the primitive value mapped to key by 1

Specified by:

increment in interface TShortLongMap

Parameters:

key - the key of the value to increment

Returns:

true if a mapping was found and modified.

adjustValue

public boolean adjustValue(short key,
                           long amount)

Adjusts the primitive value mapped to key.

Specified by:

adjustValue in interface TShortLongMap

Parameters:

key - the key of the value to increment

amount - the amount to adjust the value by.

Returns:

true if a mapping was found and modified.

adjustOrPutValue

public long adjustOrPutValue(short key,
                             long adjust_amount,
                             long put_amount)

Adjusts the primitive value mapped to the key if the key is present in the map. Otherwise, the put_amount is put in the map.

Specified by:

adjustOrPutValue in interface TShortLongMap

Parameters:

key - the key of the value to increment

adjust_amount - the amount to adjust the value by

put_amount - the value put into the map if the key is not present

Returns:

the value present in the map after the adjustment or put operation

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class TShortLongHash

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class TShortLongHash

Throws:

java.io.IOException

java.lang.ClassNotFoundException