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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TLongHash
gnu.trove.TLongIntHashMap
public class TLongIntHashMap
An open addressed Map implementation for long keys and int values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
|---|---|
protected int[] |
_values
the values of the map |
| Fields inherited from class gnu.trove.TLongHash |
|---|
_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 | |
|---|---|
TLongIntHashMap()
Creates a new TLongIntHashMap instance with the default
capacity and load factor. |
|
TLongIntHashMap(int initialCapacity)
Creates a new TLongIntHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TLongIntHashMap(int initialCapacity,
float loadFactor)
Creates a new TLongIntHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TLongIntHashMap(int initialCapacity,
float loadFactor,
TLongHashingStrategy strategy)
Creates a new TLongIntHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TLongIntHashMap(int initialCapacity,
TLongHashingStrategy strategy)
Creates a new TLongIntHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TLongIntHashMap(TLongHashingStrategy strategy)
Creates a new TLongIntHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
|---|---|
int |
adjustOrPutValue(long key,
int adjust_amount,
int put_amount)
Adjusts the primitive value mapped to the key if the key is present in the map. |
boolean |
adjustValue(long key,
int amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(long key)
checks for the present of key in the keys of the map. |
boolean |
containsValue(int 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(TLongIntProcedure 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(TIntProcedure procedure)
Executes procedure for each value in the map. |
int |
get(long key)
retrieves the value for key |
int[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(long key)
Increments the primitive value mapped to key by 1 |
TLongIntIterator |
iterator()
|
long[] |
keys()
returns the keys of the map. |
long[] |
keys(long[] a)
returns the keys of the map. |
int |
put(long key,
int value)
Inserts a key/value pair into the map. |
void |
putAll(TLongIntHashMap map)
Put all the entries from the given map into this map. |
int |
putIfAbsent(long key,
int 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. |
int |
remove(long key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TLongIntProcedure 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(TIntFunction function)
Transform the values in this map using function. |
void |
writeExternal(java.io.ObjectOutput out)
|
| Methods inherited from class gnu.trove.TLongHash |
|---|
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 int[] _values
| Constructor Detail |
|---|
public TLongIntHashMap()
TLongIntHashMap instance with the default
capacity and load factor.
public TLongIntHashMap(int initialCapacity)
TLongIntHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TLongIntHashMap(int initialCapacity,
float loadFactor)
TLongIntHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TLongIntHashMap(TLongHashingStrategy strategy)
TLongIntHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TLongIntHashMap(int initialCapacity,
TLongHashingStrategy strategy)
TLongIntHashMap 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 TLongIntHashMap(int initialCapacity,
float loadFactor,
TLongHashingStrategy strategy)
TLongIntHashMap 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 TLongHashpublic TLongIntIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TLongHashinitialCapacity - an int value
public int put(long key,
int value)
key - an long valuevalue - an int value
public int putIfAbsent(long key,
int value)
key - an long valuevalue - an int value
public void putAll(TLongIntHashMap 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 int get(long key)
key - an long value
public void clear()
clear in class THashpublic int remove(long key)
key - an long value
int value, or (long)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 TLongHashindex - an int valuepublic int[] getValues()
Collection valuepublic long[] keys()
Set valuepublic long[] keys(long[] 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(int val)
val - an int value
boolean valuepublic boolean containsKey(long key)
key - an long value
boolean valuepublic boolean forEachKey(TLongProcedure procedure)
procedure - a TLongProcedure value
public boolean forEachValue(TIntProcedure procedure)
procedure - a TIntProcedure value
public boolean forEachEntry(TLongIntProcedure procedure)
procedure - a TOLongIntProcedure value
public boolean retainEntries(TLongIntProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TIntFunction function)
function - a TIntFunction valuepublic boolean increment(long key)
key - the key of the value to increment
public boolean adjustValue(long key,
int amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public int adjustOrPutValue(long key,
int adjust_amount,
int 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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