gnu.trove.map.hash
Class TFloatByteHashMap

java.lang.Object
  gnu.trove.impl.hash.THash
      gnu.trove.impl.hash.TPrimitiveHash
          gnu.trove.impl.hash.TFloatByteHash
              gnu.trove.map.hash.TFloatByteHashMap

All Implemented Interfaces:

TFloatByteMap, java.io.Externalizable, java.io.Serializable

public class TFloatByteHashMap
extends gnu.trove.impl.hash.TFloatByteHash
implements TFloatByteMap, java.io.Externalizable

An open addressed Map implementation for float keys and byte values.

See Also:

Serialized Form

Nested Class Summary

protected class	TFloatByteHashMap.TKeyView a view onto the keys of the map.
protected class	TFloatByteHashMap.TValueView a view onto the values of the map.

Field Summary

protected byte[]

_values the values of the map

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

_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

TFloatByteHashMap()
Creates a new TFloatByteHashMap instance with the default capacity and load factor.

TFloatByteHashMap(float[] keys, byte[] values)
Creates a new TFloatByteHashMap instance containing all of the entries in the map passed in.

TFloatByteHashMap(int initialCapacity)
Creates a new TFloatByteHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.

TFloatByteHashMap(int initialCapacity, float loadFactor)
Creates a new TFloatByteHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.

TFloatByteHashMap(int initialCapacity, float loadFactor, float noEntryKey, byte noEntryValue)
Creates a new TFloatByteHashMap instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.

TFloatByteHashMap(TFloatByteMap map)
Creates a new TFloatByteHashMap instance containing all of the entries in the map passed in.

Method Summary

byte	adjustOrPutValue(float key, byte adjust_amount, byte put_amount) Adjusts the primitive value mapped to the key if the key is present in the map.
boolean	adjustValue(float key, byte amount) Adjusts the primitive value mapped to key.
void	clear() Empties the collection.
boolean	containsKey(float key) Checks for the present of key in the keys of the map.
boolean	containsValue(byte val) Checks for the presence of val in the values of the map.
boolean	equals(java.lang.Object other)
boolean	forEachEntry(TFloatByteProcedure procedure) Executes procedure for each key/value entry in the map.
boolean	forEachKey(TFloatProcedure procedure) Executes procedure for each key in the map.
boolean	forEachValue(TByteProcedure procedure) Executes procedure for each value in the map.
byte	get(float key) Retrieves the value for key
int	hashCode()
boolean	increment(float key) Increments the primitive value mapped to key by 1
boolean	isEmpty() Tells whether this set is currently holding any elements.
TFloatByteIterator	iterator()
float[]	keys() Returns the keys of the map as an array of float values.
float[]	keys(float[] array) Returns the keys of the map.
TFloatSet	keySet() Returns the keys of the map as a TFloatSet
byte	put(float key, byte value) Inserts a key/value pair into the map.
void	putAll(java.util.Map<? extends java.lang.Float,? extends java.lang.Byte> map) Put all the entries from the given Map into this map.
void	putAll(TFloatByteMap map) Put all the entries from the given map into this map.
byte	putIfAbsent(float key, byte 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.
byte	remove(float key) Deletes a key/value pair from the map.
protected void	removeAt(int index) Releases the element currently stored at index.
boolean	retainEntries(TFloatByteProcedure 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(TByteFunction function) Transform the values in this map using function.
TByteCollection	valueCollection() Returns the values of the map as a TByteCollection
byte[]	values() Returns the values of the map as an array of #e# values.
byte[]	values(byte[] 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.TFloatByteHash

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, getAutoCompactionFactor, postInsertHook, reenableAutoCompaction, 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.TFloatByteMap

getNoEntryKey, getNoEntryValue, size

Field Detail

_values

protected transient byte[] _values

the values of the map

Constructor Detail

TFloatByteHashMap

public TFloatByteHashMap()

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

TFloatByteHashMap

public TFloatByteHashMap(int initialCapacity)

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

Parameters:

initialCapacity - an int value

TFloatByteHashMap

public TFloatByteHashMap(int initialCapacity,
                         float loadFactor)

Creates a new TFloatByteHashMap 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

TFloatByteHashMap

public TFloatByteHashMap(int initialCapacity,
                         float loadFactor,
                         float noEntryKey,
                         byte noEntryValue)

Creates a new TFloatByteHashMap 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 float value that represents null for the Key set.

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

TFloatByteHashMap

public TFloatByteHashMap(float[] keys,
                         byte[] values)

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

Parameters:

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

values - a byte array containing the values.

TFloatByteHashMap

public TFloatByteHashMap(TFloatByteMap map)

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

Parameters:

map - a TFloatByteMap 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 gnu.trove.impl.hash.TFloatByteHash

Parameters:

initialCapacity - an int value

Returns:

the actual capacity chosen

rehash

protected void rehash(int newCapacity)

Rehashes the set.

Specified by:

rehash in class gnu.trove.impl.hash.THash

Parameters:

newCapacity - an int value

put

public byte put(float key,
                byte value)

Inserts a key/value pair into the map.

Specified by:

put in interface TFloatByteMap

Parameters:

key - an float value

value - an byte value

Returns:

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

putIfAbsent

public byte putIfAbsent(float key,
                        byte 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 TFloatByteMap

Parameters:

key - an float value

value - an byte value

Returns:

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

putAll

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

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

Specified by:

putAll in interface TFloatByteMap

Parameters:

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

putAll

public void putAll(TFloatByteMap map)

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

Specified by:

putAll in interface TFloatByteMap

Parameters:

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

get

public byte get(float key)

Retrieves the value for key

Specified by:

get in interface TFloatByteMap

Parameters:

key - an float value

Returns:

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

clear

public void clear()

Empties the collection.

Specified by:

clear in interface TFloatByteMap

Overrides:

clear in class gnu.trove.impl.hash.THash

isEmpty

public boolean isEmpty()

Tells whether this set is currently holding any elements.

Specified by:

isEmpty in interface TFloatByteMap

Overrides:

isEmpty in class gnu.trove.impl.hash.THash

Returns:

a boolean value

remove

public byte remove(float key)

Deletes a key/value pair from the map.

Specified by:

remove in interface TFloatByteMap

Parameters:

key - an float value

Returns:

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

removeAt

protected void removeAt(int index)

Releases the element currently stored at index.

Overrides:

removeAt in class gnu.trove.impl.hash.TFloatByteHash

Parameters:

index - an int value

keySet

public TFloatSet keySet()

Returns the keys of the map as a TFloatSet

Specified by:

keySet in interface TFloatByteMap

Returns:

the keys of the map as a TFloatSet

keys

public float[] keys()

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

Specified by:

keys in interface TFloatByteMap

Returns:

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

keys

public float[] keys(float[] array)

Returns the keys of the map.

Specified by:

keys in interface TFloatByteMap

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 TByteCollection valueCollection()

Returns the values of the map as a TByteCollection

Specified by:

valueCollection in interface TFloatByteMap

Returns:

the values of the map as a TByteCollection

values

public byte[] values()

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

Specified by:

values in interface TFloatByteMap

Returns:

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

values

public byte[] values(byte[] array)

Returns the values of the map using an existing array.

Specified by:

values in interface TFloatByteMap

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(byte val)

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

Specified by:

containsValue in interface TFloatByteMap

Parameters:

val - an byte value

Returns:

a boolean value

containsKey

public boolean containsKey(float key)

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

Specified by:

containsKey in interface TFloatByteMap

Parameters:

key - an float value

Returns:

a boolean value

iterator

public TFloatByteIterator iterator()

Specified by:

iterator in interface TFloatByteMap

Returns:

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

forEachKey

public boolean forEachKey(TFloatProcedure procedure)

Executes procedure for each key in the map.

Specified by:

forEachKey in interface TFloatByteMap

Parameters:

procedure - a TFloatProcedure value

Returns:

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

forEachValue

public boolean forEachValue(TByteProcedure procedure)

Executes procedure for each value in the map.

Specified by:

forEachValue in interface TFloatByteMap

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(TFloatByteProcedure procedure)

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

Specified by:

forEachEntry in interface TFloatByteMap

Parameters:

procedure - a TOFloatByteProcedure value

Returns:

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

transformValues

public void transformValues(TByteFunction function)

Transform the values in this map using function.

Specified by:

transformValues in interface TFloatByteMap

Parameters:

function - a TByteFunction value

retainEntries

public boolean retainEntries(TFloatByteProcedure procedure)

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

Specified by:

retainEntries in interface TFloatByteMap

Parameters:

procedure - determines which entries to keep

Returns:

true if the map was modified.

increment

public boolean increment(float key)

Increments the primitive value mapped to key by 1

Specified by:

increment in interface TFloatByteMap

Parameters:

key - the key of the value to increment

Returns:

true if a mapping was found and modified.

adjustValue

public boolean adjustValue(float key,
                           byte amount)

Adjusts the primitive value mapped to key.

Specified by:

adjustValue in interface TFloatByteMap

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 byte adjustOrPutValue(float key,
                             byte adjust_amount,
                             byte 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.

Specified by:

adjustOrPutValue in interface TFloatByteMap

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

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 gnu.trove.impl.hash.TFloatByteHash

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 gnu.trove.impl.hash.TFloatByteHash

Throws:

java.io.IOException

java.lang.ClassNotFoundException