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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TFloatHash
gnu.trove.TFloatLongHashMap
public class TFloatLongHashMap
An open addressed Map implementation for float keys and long values. Created: Sun Nov 4 08:52:45 2001
Field Summary | |
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protected long[] |
_values
the values of the map |
Fields inherited from class gnu.trove.TFloatHash |
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_hashingStrategy, _set |
Fields inherited from class gnu.trove.TPrimitiveHash |
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_states, FREE, FULL, REMOVED |
Fields inherited from class gnu.trove.THash |
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_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
Constructor Summary | |
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TFloatLongHashMap()
Creates a new TFloatLongHashMap instance with the default
capacity and load factor. |
|
TFloatLongHashMap(int initialCapacity)
Creates a new TFloatLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
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TFloatLongHashMap(int initialCapacity,
float loadFactor)
Creates a new TFloatLongHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TFloatLongHashMap(int initialCapacity,
float loadFactor,
TFloatHashingStrategy strategy)
Creates a new TFloatLongHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TFloatLongHashMap(int initialCapacity,
TFloatHashingStrategy strategy)
Creates a new TFloatLongHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TFloatLongHashMap(TFloatHashingStrategy strategy)
Creates a new TFloatLongHashMap instance with the default
capacity and load factor. |
Method Summary | |
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long |
adjustOrPutValue(float 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(float key,
long amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(float 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(TFloatLongProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TFloatProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TLongProcedure procedure)
Executes procedure for each value in the map. |
long |
get(float key)
retrieves the value for key |
long[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(float key)
Increments the primitive value mapped to key by 1 |
TFloatLongIterator |
iterator()
|
float[] |
keys()
returns the keys of the map. |
float[] |
keys(float[] a)
returns the keys of the map. |
long |
put(float key,
long value)
Inserts a key/value pair into the map. |
long |
putIfAbsent(float 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(float key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TFloatLongProcedure 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. |
void |
writeExternal(java.io.ObjectOutput out)
|
Methods inherited from class gnu.trove.TFloatHash |
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computeHashCode, contains, forEach, index, insertionIndex |
Methods inherited from class gnu.trove.TPrimitiveHash |
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capacity |
Methods inherited from class gnu.trove.THash |
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calculateGrownCapacity, compact, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected transient long[] _values
Constructor Detail |
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public TFloatLongHashMap()
TFloatLongHashMap
instance with the default
capacity and load factor.
public TFloatLongHashMap(int initialCapacity)
TFloatLongHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TFloatLongHashMap(int initialCapacity, float loadFactor)
TFloatLongHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TFloatLongHashMap(TFloatHashingStrategy strategy)
TFloatLongHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TFloatLongHashMap(int initialCapacity, TFloatHashingStrategy strategy)
TFloatLongHashMap
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 TFloatLongHashMap(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)
TFloatLongHashMap
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 |
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public java.lang.Object clone()
clone
in class TFloatHash
public TFloatLongIterator iterator()
protected int setUp(int initialCapacity)
setUp
in class TFloatHash
initialCapacity
- an int
value
public long put(float key, long value)
key
- an float
valuevalue
- an long
value
public long putIfAbsent(float key, long value)
key
- an float
valuevalue
- an long
value
protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic long get(float key)
key
- an float
value
public void clear()
clear
in class THash
public long remove(float key)
key
- an float
value
long
value, or (float)0 if no mapping for key existspublic boolean equals(java.lang.Object other)
equals
in class java.lang.Object
other
- an Object
value
boolean
valuepublic int hashCode()
hashCode
in class java.lang.Object
protected void removeAt(int index)
removeAt
in class TFloatHash
index
- an int
valuepublic long[] getValues()
Collection
valuepublic float[] keys()
Set
valuepublic float[] keys(float[] 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(float key)
key
- an float
value
boolean
valuepublic boolean forEachKey(TFloatProcedure procedure)
procedure
- a TFloatProcedure
value
public boolean forEachValue(TLongProcedure procedure)
procedure
- a TLongProcedure
value
public boolean forEachEntry(TFloatLongProcedure procedure)
procedure
- a TOFloatLongProcedure
value
public boolean retainEntries(TFloatLongProcedure procedure)
procedure
- determines which entries to keep
public void transformValues(TLongFunction function)
function
- a TLongFunction
valuepublic boolean increment(float key)
key
- the key of the value to increment
public boolean adjustValue(float key, long amount)
key
- the key of the value to incrementamount
- the amount to adjust the value by.
public long adjustOrPutValue(float 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.Externalizable
writeExternal
in class THash
java.io.IOException
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
readExternal
in class THash
java.io.IOException
java.lang.ClassNotFoundException
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