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java.lang.Object | +--gnu.trove.THash | +--gnu.trove.TObjectHash | +--gnu.trove.TObjectLongHashMap
An open addressed Map implementation for Object keys and long values. Created: Sun Nov 4 08:52:45 2001
Field Summary | |
protected long[] |
_values
the values of the map |
Fields inherited from class gnu.trove.TObjectHash |
_hashingStrategy, _set, REMOVED |
Fields inherited from class gnu.trove.THash |
_free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
Constructor Summary | |
TObjectLongHashMap()
Creates a new TObjectLongHashMap instance with the default
capacity and load factor. |
|
TObjectLongHashMap(int initialCapacity)
Creates a new TObjectLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TObjectLongHashMap(int initialCapacity,
float loadFactor)
Creates a new TObjectLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TObjectLongHashMap(int initialCapacity,
float loadFactor,
TObjectHashingStrategy strategy)
Creates a new TObjectLongHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TObjectLongHashMap(int initialCapacity,
TObjectHashingStrategy strategy)
Creates a new TObjectLongHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TObjectLongHashMap(TObjectHashingStrategy strategy)
Creates a new TObjectLongHashMap instance with the default
capacity and load factor. |
Method Summary | |
boolean |
adjustValue(java.lang.Object key,
long amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
boolean |
containsKey(java.lang.Object 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)
Compares this map with another map for equality of their stored entries. |
boolean |
forEachEntry(TObjectLongProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TObjectProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TLongProcedure procedure)
Executes procedure for each value in the map. |
long |
get(java.lang.Object key)
retrieves the value for key |
long[] |
getValues()
Returns the values of the map. |
boolean |
increment(java.lang.Object key)
Increments the primitive value mapped to key by 1 |
TObjectLongIterator |
iterator()
|
java.lang.Object[] |
keys()
returns the keys of the map. |
long |
put(java.lang.Object key,
long value)
Inserts a key/value pair into the map. |
protected void |
rehash(int newCapacity)
rehashes the map to the new capacity. |
long |
remove(java.lang.Object key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TObjectLongProcedure 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(TLongFunction function)
Transform the values in this map using function. |
Methods inherited from class gnu.trove.TObjectHash |
capacity, clone, computeHashCode, contains, equals, forEach, index, insertionIndex, throwObjectContractViolation |
Methods inherited from class gnu.trove.THash |
compact, ensureCapacity, isEmpty, postInsertHook, size, trimToSize |
Methods inherited from class java.lang.Object |
finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected transient long[] _values
Constructor Detail |
public TObjectLongHashMap()
TObjectLongHashMap
instance with the default
capacity and load factor.
public TObjectLongHashMap(int initialCapacity)
TObjectLongHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TObjectLongHashMap(int initialCapacity, float loadFactor)
TObjectLongHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TObjectLongHashMap(TObjectHashingStrategy strategy)
TObjectLongHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TObjectLongHashMap(int initialCapacity, TObjectHashingStrategy strategy)
TObjectLongHashMap
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 TObjectLongHashMap(int initialCapacity, float loadFactor, TObjectHashingStrategy strategy)
TObjectLongHashMap
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 TObjectLongIterator iterator()
protected int setUp(int initialCapacity)
setUp
in class TObjectHash
initialCapacity
- an int
value
public long put(java.lang.Object key, long value)
key
- an Object
valuevalue
- an long
value
protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic long get(java.lang.Object key)
key
- an Object
value
public void clear()
clear
in class THash
public long remove(java.lang.Object key)
key
- an Object
value
long
valuepublic boolean equals(java.lang.Object other)
equals
in class java.lang.Object
other
- an Object
value
boolean
valueprotected void removeAt(int index)
removeAt
in class TObjectHash
index
- an int
valuepublic long[] getValues()
Collection
valuepublic java.lang.Object[] keys()
Set
valuepublic boolean containsValue(long val)
val
- an long
value
boolean
valuepublic boolean containsKey(java.lang.Object key)
key
- an Object
value
boolean
valuepublic boolean forEachKey(TObjectProcedure procedure)
procedure
- a TObjectProcedure
value
public boolean forEachValue(TLongProcedure procedure)
procedure
- a TLongProcedure
value
public boolean forEachEntry(TObjectLongProcedure procedure)
procedure
- a TOObjectLongProcedure
value
public boolean retainEntries(TObjectLongProcedure procedure)
procedure
- determines which entries to keep
public void transformValues(TLongFunction function)
function
- a TLongFunction
valuepublic boolean increment(java.lang.Object key)
key
- the key of the value to increment
public boolean adjustValue(java.lang.Object key, long amount)
key
- the key of the value to incrementamount
- the amount to adjust the value by.
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