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