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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TByteHash
gnu.trove.TByteLongHashMap
public class TByteLongHashMap
An open addressed Map implementation for byte 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.TByteHash |
|---|
_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 | |
|---|---|
TByteLongHashMap()
Creates a new TByteLongHashMap instance with the default
capacity and load factor. |
|
TByteLongHashMap(int initialCapacity)
Creates a new TByteLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TByteLongHashMap(int initialCapacity,
float loadFactor)
Creates a new TByteLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TByteLongHashMap(int initialCapacity,
float loadFactor,
TByteHashingStrategy strategy)
Creates a new TByteLongHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TByteLongHashMap(int initialCapacity,
TByteHashingStrategy strategy)
Creates a new TByteLongHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TByteLongHashMap(TByteHashingStrategy strategy)
Creates a new TByteLongHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
|---|---|
long |
adjustOrPutValue(byte 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(byte key,
long amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(byte 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(TByteLongProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TByteProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TLongProcedure procedure)
Executes procedure for each value in the map. |
long |
get(byte key)
retrieves the value for key |
long[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(byte key)
Increments the primitive value mapped to key by 1 |
TByteLongIterator |
iterator()
|
byte[] |
keys()
returns the keys of the map. |
byte[] |
keys(byte[] a)
returns the keys of the map. |
long |
put(byte key,
long value)
Inserts a key/value pair into the map. |
void |
putAll(TByteLongHashMap map)
Put all the entries from the given map into this map. |
long |
putIfAbsent(byte 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(byte key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TByteLongProcedure 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.TByteHash |
|---|
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 TByteLongHashMap()
TByteLongHashMap instance with the default
capacity and load factor.
public TByteLongHashMap(int initialCapacity)
TByteLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TByteLongHashMap(int initialCapacity,
float loadFactor)
TByteLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TByteLongHashMap(TByteHashingStrategy strategy)
TByteLongHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TByteLongHashMap(int initialCapacity,
TByteHashingStrategy strategy)
TByteLongHashMap 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 TByteLongHashMap(int initialCapacity,
float loadFactor,
TByteHashingStrategy strategy)
TByteLongHashMap 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 TByteHashpublic TByteLongIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TByteHashinitialCapacity - an int value
public long put(byte key,
long value)
key - an byte valuevalue - an long value
public long putIfAbsent(byte key,
long value)
key - an byte valuevalue - an long value
public void putAll(TByteLongHashMap 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(byte key)
key - an byte value
public void clear()
clear in class THashpublic long remove(byte key)
key - an byte value
long value, or (byte)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 TByteHashindex - an int valuepublic long[] getValues()
Collection valuepublic byte[] keys()
Set valuepublic byte[] keys(byte[] 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(byte key)
key - an byte value
boolean valuepublic boolean forEachKey(TByteProcedure procedure)
procedure - a TByteProcedure value
public boolean forEachValue(TLongProcedure procedure)
procedure - a TLongProcedure value
public boolean forEachEntry(TByteLongProcedure procedure)
procedure - a TOByteLongProcedure value
public boolean retainEntries(TByteLongProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TLongFunction function)
function - a TLongFunction valuepublic boolean increment(byte key)
key - the key of the value to increment
public boolean adjustValue(byte key,
long amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public long adjustOrPutValue(byte 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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