gnu.trove.map
Interface TLongFloatMap

All Known Implementing Classes:

TLongFloatHashMap

public interface TLongFloatMap

Interface for a primitive map of long keys and float values.

Method Summary

float	adjustOrPutValue(long key, float adjust_amount, float put_amount) Adjusts the primitive value mapped to the key if the key is present in the map.
boolean	adjustValue(long key, float amount) Adjusts the primitive value mapped to key.
void	clear() Empties the map.
boolean	containsKey(long key) Checks for the present of key in the keys of the map.
boolean	containsValue(float val) Checks for the presence of val in the values of the map.
boolean	forEachEntry(TLongFloatProcedure procedure) Executes procedure for each key/value entry in the map.
boolean	forEachKey(TLongProcedure procedure) Executes procedure for each key in the map.
boolean	forEachValue(TFloatProcedure procedure) Executes procedure for each value in the map.
float	get(long key) Retrieves the value for key
long	getNoEntryKey() Returns the value that will be returned from get(long) or put(long, float) if no entry exists for a given key.
float	getNoEntryValue() Returns the value that will be returned from get(long) or put(long, float) if no entry exists for a given key.
boolean	increment(long key) Increments the primitive value mapped to key by 1
boolean	isEmpty() Returns true if this map contains no key-value mappings.
TLongFloatIterator	iterator()
long[]	keys() Returns the keys of the map as an array of long values.
long[]	keys(long[] array) Returns the keys of the map.
TLongSet	keySet() Returns the keys of the map as a TLongSet
float	put(long key, float value) Inserts a key/value pair into the map.
void	putAll(java.util.Map<? extends java.lang.Long,? extends java.lang.Float> map) Put all the entries from the given Map into this map.
void	putAll(TLongFloatMap map) Put all the entries from the given map into this map.
float	putIfAbsent(long key, float value) Inserts a key/value pair into the map if the specified key is not already associated with a value.
float	remove(long key) Deletes a key/value pair from the map.
boolean	retainEntries(TLongFloatProcedure procedure) Retains only those entries in the map for which the procedure returns a true value.
int	size() Returns an int value that is the number of elements in the map.
void	transformValues(TFloatFunction function) Transform the values in this map using function.
TFloatCollection	valueCollection() Returns the values of the map as a TFloatCollection
float[]	values() Returns the values of the map as an array of #e# values.
float[]	values(float[] array) Returns the values of the map using an existing array.

Method Detail

getNoEntryKey

long getNoEntryKey()

Returns the value that will be returned from get(long) or put(long, float) if no entry exists for a given key. The default value is generally zero, but can be changed during construction of the collection.

Returns:

the value that represents a null key in this collection.

getNoEntryValue

float getNoEntryValue()

Returns the value that will be returned from get(long) or put(long, float) if no entry exists for a given key. The default value is generally zero, but can be changed during construction of the collection.

Returns:

the value that represents a null value in this collection.

put

float put(long key,
          float value)

Inserts a key/value pair into the map.

Parameters:

key - an long value

value - an float value

Returns:

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

putIfAbsent

float putIfAbsent(long key,
                  float value)

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

Parameters:

key - an long value

value - an float value

Returns:

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

putAll

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

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

Parameters:

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

putAll

void putAll(TLongFloatMap map)

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

Parameters:

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

get

float get(long key)

Retrieves the value for key

Parameters:

key - an long value

Returns:

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

clear

void clear()

Empties the map.

isEmpty

boolean isEmpty()

Returns true if this map contains no key-value mappings.

Returns:

true if this map contains no key-value mappings

remove

float remove(long key)

Deletes a key/value pair from the map.

Parameters:

key - an long value

Returns:

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

size

int size()

Returns an int value that is the number of elements in the map.

Returns:

an int value that is the number of elements in the map.

keySet

TLongSet keySet()

Returns the keys of the map as a TLongSet

Returns:

the keys of the map as a TLongSet

keys

long[] keys()

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

Returns:

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

keys

long[] keys(long[] array)

Returns the keys of the map.

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

TFloatCollection valueCollection()

Returns the values of the map as a TFloatCollection

Returns:

the values of the map as a TFloatCollection

values

float[] values()

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

Returns:

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

values

float[] values(float[] array)

Returns the values of the map using an existing array.

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

boolean containsValue(float val)

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

Parameters:

val - an float value

Returns:

a boolean value

containsKey

boolean containsKey(long key)

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

Parameters:

key - an long value

Returns:

a boolean value

iterator

TLongFloatIterator iterator()

Returns:

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

forEachKey

boolean forEachKey(TLongProcedure procedure)

Executes procedure for each key in the map.

Parameters:

procedure - a TLongProcedure value

Returns:

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

forEachValue

boolean forEachValue(TFloatProcedure procedure)

Executes procedure for each value in the map.

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

boolean forEachEntry(TLongFloatProcedure procedure)

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

Parameters:

procedure - a TOLongFloatProcedure value

Returns:

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

transformValues

void transformValues(TFloatFunction function)

Transform the values in this map using function.

Parameters:

function - a TFloatFunction value

retainEntries

boolean retainEntries(TLongFloatProcedure procedure)

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

Parameters:

procedure - determines which entries to keep

Returns:

true if the map was modified.

increment

boolean increment(long key)

Increments the primitive value mapped to key by 1

Parameters:

key - the key of the value to increment

Returns:

true if a mapping was found and modified.

adjustValue

boolean adjustValue(long key,
                    float amount)

Adjusts the primitive value mapped to key.

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

float adjustOrPutValue(long key,
                       float adjust_amount,
                       float put_amount)

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

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 initial present

Returns:

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