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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TFloatHash
gnu.trove.TFloatByteHashMap
public class TFloatByteHashMap
An open addressed Map implementation for float keys and byte values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
|---|---|
protected byte[] |
_values
the values of the map |
| Fields inherited from class gnu.trove.TFloatHash |
|---|
_hashingStrategy, _set |
| Fields inherited from class gnu.trove.TPrimitiveHash |
|---|
_states, FREE, FULL, REMOVED |
| Fields inherited from class gnu.trove.THash |
|---|
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
| Constructor Summary | |
|---|---|
TFloatByteHashMap()
Creates a new TFloatByteHashMap instance with the default
capacity and load factor. |
|
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,
TFloatHashingStrategy strategy)
Creates a new TFloatByteHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TFloatByteHashMap(int initialCapacity,
TFloatHashingStrategy strategy)
Creates a new TFloatByteHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TFloatByteHashMap(TFloatHashingStrategy strategy)
Creates a new TFloatByteHashMap instance with the default
capacity and load factor. |
|
| 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 map. |
java.lang.Object |
clone()
|
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)
Compares this map with another map for equality of their stored entries. |
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 |
byte[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(float key)
Increments the primitive value mapped to key by 1 |
TFloatByteIterator |
iterator()
|
float[] |
keys()
returns the keys of the map. |
float[] |
keys(float[] a)
returns the keys of the map. |
byte |
put(float key,
byte value)
Inserts a key/value pair into the map. |
void |
putAll(TFloatByteHashMap 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 map to the new capacity. |
byte |
remove(float key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
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. |
void |
writeExternal(java.io.ObjectOutput out)
|
| Methods inherited from class gnu.trove.TFloatHash |
|---|
computeHashCode, contains, forEach, index, insertionIndex |
| Methods inherited from class gnu.trove.TPrimitiveHash |
|---|
capacity |
| Methods inherited from class gnu.trove.THash |
|---|
calculateGrownCapacity, compact, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize |
| Methods inherited from class java.lang.Object |
|---|
finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
protected transient byte[] _values
| Constructor Detail |
|---|
public TFloatByteHashMap()
TFloatByteHashMap instance with the default
capacity and load factor.
public TFloatByteHashMap(int initialCapacity)
TFloatByteHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TFloatByteHashMap(int initialCapacity,
float loadFactor)
TFloatByteHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TFloatByteHashMap(TFloatHashingStrategy strategy)
TFloatByteHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TFloatByteHashMap(int initialCapacity,
TFloatHashingStrategy strategy)
TFloatByteHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime.
initialCapacity - an int valuestrategy - used to compute hash codes and to compare keys.
public TFloatByteHashMap(int initialCapacity,
float loadFactor,
TFloatHashingStrategy strategy)
TFloatByteHashMap instance with a prime
value at or near the specified capacity and load factor.
initialCapacity - used to find a prime capacity for the table.loadFactor - used to calculate the threshold over which
rehashing takes place.strategy - used to compute hash codes and to compare keys.| Method Detail |
|---|
public java.lang.Object clone()
clone in class TFloatHashpublic TFloatByteIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TFloatHashinitialCapacity - an int value
public byte put(float key,
byte value)
key - an float valuevalue - an byte value
public byte putIfAbsent(float key,
byte value)
key - an float valuevalue - an byte value
public void putAll(TFloatByteHashMap map)
map - The map from which entries will be obtained to put into this map.protected void rehash(int newCapacity)
rehash in class THashnewCapacity - an int valuepublic byte get(float key)
key - an float value
public void clear()
clear in class THashpublic byte remove(float key)
key - an float value
byte value, or (float)0 if no mapping for key existspublic boolean equals(java.lang.Object other)
equals in class java.lang.Objectother - an Object value
boolean valuepublic int hashCode()
hashCode in class java.lang.Objectprotected void removeAt(int index)
removeAt in class TFloatHashindex - an int valuepublic byte[] getValues()
Collection valuepublic float[] keys()
Set valuepublic float[] keys(float[] a)
a - 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.
Set valuepublic boolean containsValue(byte val)
val - an byte value
boolean valuepublic boolean containsKey(float key)
key - an float value
boolean valuepublic boolean forEachKey(TFloatProcedure procedure)
procedure - a TFloatProcedure value
public boolean forEachValue(TByteProcedure procedure)
procedure - a TByteProcedure value
public boolean forEachEntry(TFloatByteProcedure procedure)
procedure - a TOFloatByteProcedure value
public boolean retainEntries(TFloatByteProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TByteFunction function)
function - a TByteFunction valuepublic boolean increment(float key)
key - the key of the value to increment
public boolean adjustValue(float key,
byte amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public byte adjustOrPutValue(float key,
byte adjust_amount,
byte put_amount)
key - the key of the value to incrementadjust_amount - the amount to adjust the value byput_amount - the value put into the map if the key is not initial present
public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException
writeExternal in interface java.io.ExternalizablewriteExternal in class THashjava.io.IOException
public void readExternal(java.io.ObjectInput in)
throws java.io.IOException,
java.lang.ClassNotFoundException
readExternal in interface java.io.ExternalizablereadExternal in class THashjava.io.IOException
java.lang.ClassNotFoundExceptionpublic java.lang.String toString()
toString in class java.lang.Object
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