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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TFloatHash
gnu.trove.TFloatDoubleHashMap
public class TFloatDoubleHashMap
An open addressed Map implementation for float keys and double values. Created: Sun Nov 4 08:52:45 2001
Field Summary | |
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protected double[] |
_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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TFloatDoubleHashMap()
Creates a new TFloatDoubleHashMap instance with the default
capacity and load factor. |
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TFloatDoubleHashMap(int initialCapacity)
Creates a new TFloatDoubleHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
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TFloatDoubleHashMap(int initialCapacity,
float loadFactor)
Creates a new TFloatDoubleHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
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TFloatDoubleHashMap(int initialCapacity,
float loadFactor,
TFloatHashingStrategy strategy)
Creates a new TFloatDoubleHashMap instance with a prime
value at or near the specified capacity and load factor. |
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TFloatDoubleHashMap(int initialCapacity,
TFloatHashingStrategy strategy)
Creates a new TFloatDoubleHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TFloatDoubleHashMap(TFloatHashingStrategy strategy)
Creates a new TFloatDoubleHashMap instance with the default
capacity and load factor. |
Method Summary | |
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double |
adjustOrPutValue(float key,
double adjust_amount,
double put_amount)
Adjusts the primitive value mapped to the key if the key is present in the map. |
boolean |
adjustValue(float key,
double 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(double 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(TFloatDoubleProcedure 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(TDoubleProcedure procedure)
Executes procedure for each value in the map. |
double |
get(float key)
retrieves the value for key |
double[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(float key)
Increments the primitive value mapped to key by 1 |
TFloatDoubleIterator |
iterator()
|
float[] |
keys()
returns the keys of the map. |
float[] |
keys(float[] a)
returns the keys of the map. |
double |
put(float key,
double value)
Inserts a key/value pair into the map. |
double |
putIfAbsent(float key,
double 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. |
double |
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(TFloatDoubleProcedure 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(TDoubleFunction function)
Transform the values in this map using function. |
void |
writeExternal(java.io.ObjectOutput out)
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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 double[] _values
Constructor Detail |
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public TFloatDoubleHashMap()
TFloatDoubleHashMap
instance with the default
capacity and load factor.
public TFloatDoubleHashMap(int initialCapacity)
TFloatDoubleHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TFloatDoubleHashMap(int initialCapacity, float loadFactor)
TFloatDoubleHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TFloatDoubleHashMap(TFloatHashingStrategy strategy)
TFloatDoubleHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TFloatDoubleHashMap(int initialCapacity, TFloatHashingStrategy strategy)
TFloatDoubleHashMap
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 TFloatDoubleHashMap(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)
TFloatDoubleHashMap
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 TFloatDoubleIterator iterator()
protected int setUp(int initialCapacity)
setUp
in class TFloatHash
initialCapacity
- an int
value
public double put(float key, double value)
key
- an float
valuevalue
- an double
value
public double putIfAbsent(float key, double value)
key
- an float
valuevalue
- an double
value
protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic double get(float key)
key
- an float
value
public void clear()
clear
in class THash
public double remove(float key)
key
- an float
value
double
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 double[] 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(double val)
val
- an double
value
boolean
valuepublic boolean containsKey(float key)
key
- an float
value
boolean
valuepublic boolean forEachKey(TFloatProcedure procedure)
procedure
- a TFloatProcedure
value
public boolean forEachValue(TDoubleProcedure procedure)
procedure
- a TDoubleProcedure
value
public boolean forEachEntry(TFloatDoubleProcedure procedure)
procedure
- a TOFloatDoubleProcedure
value
public boolean retainEntries(TFloatDoubleProcedure procedure)
procedure
- determines which entries to keep
public void transformValues(TDoubleFunction function)
function
- a TDoubleFunction
valuepublic boolean increment(float key)
key
- the key of the value to increment
public boolean adjustValue(float key, double amount)
key
- the key of the value to incrementamount
- the amount to adjust the value by.
public double adjustOrPutValue(float key, double adjust_amount, double 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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