|
GNU Trove | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectgnu.trove.THash
gnu.trove.TObjectHash<K>
gnu.trove.TObjectShortHashMap<K>
public class TObjectShortHashMap<K>
An open addressed Map implementation for Object keys and short values. Created: Sun Nov 4 08:52:45 2001
Field Summary | |
---|---|
protected short[] |
_values
the values of the map |
Fields inherited from class gnu.trove.TObjectHash |
---|
_hashingStrategy, _set, FREE, REMOVED |
Fields inherited from class gnu.trove.THash |
---|
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
Constructor Summary | |
---|---|
TObjectShortHashMap()
Creates a new TObjectShortHashMap instance with the default
capacity and load factor. |
|
TObjectShortHashMap(int initialCapacity)
Creates a new TObjectShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TObjectShortHashMap(int initialCapacity,
float loadFactor)
Creates a new TObjectShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TObjectShortHashMap(int initialCapacity,
float loadFactor,
TObjectHashingStrategy<K> strategy)
Creates a new TObjectShortHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TObjectShortHashMap(int initialCapacity,
TObjectHashingStrategy<K> strategy)
Creates a new TObjectShortHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TObjectShortHashMap(TObjectHashingStrategy<K> strategy)
Creates a new TObjectShortHashMap instance with the default
capacity and load factor. |
Method Summary | |
---|---|
short |
adjustOrPutValue(K key,
short adjust_amount,
short put_amount)
Adjusts the primitive value mapped to the key if the key is present in the map. |
boolean |
adjustValue(K key,
short amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
TObjectShortHashMap<K> |
clone()
|
boolean |
containsKey(K key)
checks for the present of key in the keys of the map. |
boolean |
containsValue(short 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(TObjectShortProcedure<K> procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TObjectProcedure<K> procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TShortProcedure procedure)
Executes procedure for each value in the map. |
short |
get(K key)
retrieves the value for key |
short[] |
getValues()
Returns the values of the map. |
boolean |
increment(K key)
Increments the primitive value mapped to key by 1 |
TObjectShortIterator<K> |
iterator()
|
java.lang.Object[] |
keys()
returns the keys of the map. |
K[] |
keys(K[] a)
returns the keys of the map. |
short |
put(K key,
short value)
Inserts a key/value pair into the map. |
void |
readExternal(java.io.ObjectInput in)
|
protected void |
rehash(int newCapacity)
rehashes the map to the new capacity. |
short |
remove(K key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TObjectShortProcedure<K> 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. |
void |
transformValues(TShortFunction function)
Transform the values in this map using function. |
void |
writeExternal(java.io.ObjectOutput out)
|
Methods inherited from class gnu.trove.TObjectHash |
---|
capacity, computeHashCode, contains, equals, forEach, index, insertionIndex, throwObjectContractViolation |
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, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected transient short[] _values
Constructor Detail |
---|
public TObjectShortHashMap()
TObjectShortHashMap
instance with the default
capacity and load factor.
public TObjectShortHashMap(int initialCapacity)
TObjectShortHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TObjectShortHashMap(int initialCapacity, float loadFactor)
TObjectShortHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TObjectShortHashMap(TObjectHashingStrategy<K> strategy)
TObjectShortHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TObjectShortHashMap(int initialCapacity, TObjectHashingStrategy<K> strategy)
TObjectShortHashMap
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 TObjectShortHashMap(int initialCapacity, float loadFactor, TObjectHashingStrategy<K> strategy)
TObjectShortHashMap
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 TObjectShortIterator<K> iterator()
protected int setUp(int initialCapacity)
setUp
in class TObjectHash<K>
initialCapacity
- an int
value
public short put(K key, short value)
key
- an Object
valuevalue
- an short
value
protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic short get(K key)
key
- an Object
value
public void clear()
clear
in class THash
public short remove(K key)
key
- an Object
value
short
value or (short)0 if no such mapping exists.public boolean equals(java.lang.Object other)
equals
in class java.lang.Object
other
- an Object
value
boolean
valuepublic TObjectShortHashMap<K> clone()
clone
in class TObjectHash<K>
protected void removeAt(int index)
removeAt
in class TObjectHash<K>
index
- an int
valuepublic short[] getValues()
Collection
valuepublic java.lang.Object[] keys()
Set
valuepublic K[] keys(K[] 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 runtime type is allocated for this purpose.
Set
valuepublic boolean containsValue(short val)
val
- an short
value
boolean
valuepublic boolean containsKey(K key)
key
- an Object
value
boolean
valuepublic boolean forEachKey(TObjectProcedure<K> procedure)
procedure
- a TObjectProcedure
value
public boolean forEachValue(TShortProcedure procedure)
procedure
- a TShortProcedure
value
public boolean forEachEntry(TObjectShortProcedure<K> procedure)
procedure
- a TOObjectShortProcedure
value
public boolean retainEntries(TObjectShortProcedure<K> procedure)
procedure
- determines which entries to keep
public void transformValues(TShortFunction function)
function
- a TShortFunction
valuepublic boolean increment(K key)
key
- the key of the value to increment
public boolean adjustValue(K key, short amount)
key
- the key of the value to incrementamount
- the amount to adjust the value by.
public short adjustOrPutValue(K key, short adjust_amount, short 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.Externalizable
java.io.IOException
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
java.io.IOException
java.lang.ClassNotFoundException
|
GNU Trove | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |