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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TFloatHash
gnu.trove.TFloatObjectHashMap<V>
public class TFloatObjectHashMap<V>
An open addressed Map implementation for float keys and Object values. Created: Sun Nov 4 08:52:45 2001
Field Summary | |
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protected V[] |
_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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TFloatObjectHashMap()
Creates a new TFloatObjectHashMap instance with the default
capacity and load factor. |
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TFloatObjectHashMap(int initialCapacity)
Creates a new TFloatObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
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TFloatObjectHashMap(int initialCapacity,
float loadFactor)
Creates a new TFloatObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
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TFloatObjectHashMap(int initialCapacity,
float loadFactor,
TFloatHashingStrategy strategy)
Creates a new TFloatObjectHashMap instance with a prime
value at or near the specified capacity and load factor. |
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TFloatObjectHashMap(int initialCapacity,
TFloatHashingStrategy strategy)
Creates a new TFloatObjectHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
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TFloatObjectHashMap(TFloatHashingStrategy strategy)
Creates a new TFloatObjectHashMap instance with the default
capacity and load factor. |
Method Summary | ||
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void |
clear()
Empties the map. |
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TFloatObjectHashMap<V> |
clone()
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boolean |
containsKey(float key)
checks for the present of key in the keys of the map. |
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boolean |
containsValue(V val)
checks for the presence of val in the values of the map. |
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boolean |
equals(java.lang.Object other)
Compares this map with another map for equality of their stored entries. |
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boolean |
forEachEntry(TFloatObjectProcedure<V> procedure)
Executes procedure for each key/value entry in the map. |
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boolean |
forEachKey(TFloatProcedure procedure)
Executes procedure for each key in the map. |
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boolean |
forEachValue(TObjectProcedure<V> procedure)
Executes procedure for each value in the map. |
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V |
get(float key)
retrieves the value for key |
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java.lang.Object[] |
getValues()
Returns the values of the map. |
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getValues(T[] a)
Return the values of the map; the runtime type of the returned array is that of the specified array. |
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int |
hashCode()
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TFloatObjectIterator<V> |
iterator()
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float[] |
keys()
returns the keys of the map. |
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V |
put(float key,
V value)
Inserts a key/value pair into the map. |
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void |
readExternal(java.io.ObjectInput in)
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protected void |
rehash(int newCapacity)
rehashes the map to the new capacity. |
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V |
remove(float key)
Deletes a key/value pair from the map. |
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protected void |
removeAt(int index)
removes the mapping at index from the map. |
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boolean |
retainEntries(TFloatObjectProcedure<V> procedure)
Retains only those entries in the map for which the procedure returns a true value. |
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protected int |
setUp(int initialCapacity)
initializes the hashtable to a prime capacity which is at least initialCapacity + 1. |
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void |
transformValues(TObjectFunction<V,V> function)
Transform the values in this map using function. |
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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 V[] _values
Constructor Detail |
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public TFloatObjectHashMap()
TFloatObjectHashMap
instance with the default
capacity and load factor.
public TFloatObjectHashMap(int initialCapacity)
TFloatObjectHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TFloatObjectHashMap(int initialCapacity, float loadFactor)
TFloatObjectHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TFloatObjectHashMap(TFloatHashingStrategy strategy)
TFloatObjectHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TFloatObjectHashMap(int initialCapacity, TFloatHashingStrategy strategy)
TFloatObjectHashMap
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 TFloatObjectHashMap(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)
TFloatObjectHashMap
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 TFloatObjectHashMap<V> clone()
clone
in class TFloatHash
public TFloatObjectIterator<V> iterator()
protected int setUp(int initialCapacity)
setUp
in class TFloatHash
initialCapacity
- an int
value
public V put(float key, V value)
key
- an float
valuevalue
- an Object
value
protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic V get(float key)
key
- an float
value
public void clear()
clear
in class THash
public V remove(float key)
key
- an float
value
Object
value or (float)0 if no such mapping exists.public 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 java.lang.Object[] getValues()
Collection
valuegetValues(Object[])
public <T> T[] getValues(T[] a)
a
- the array into which the elements of this collection are to be
stored, if it is big enough; otherwise, a new array of the same
runtime type is allocated for this purpose.
java.lang.ArrayStoreException
- the runtime type of the specified array is
not a supertype of the runtime type of every element in this
collection.
java.lang.NullPointerException
- if the specified array is null.getValues()
public float[] keys()
Set
valuepublic boolean containsValue(V val)
val
- an Object
value
boolean
valuepublic boolean containsKey(float key)
key
- an float
value
boolean
valuepublic boolean forEachKey(TFloatProcedure procedure)
procedure
- a TFloatProcedure
value
public boolean forEachValue(TObjectProcedure<V> procedure)
procedure
- a TObjectProcedure
value
public boolean forEachEntry(TFloatObjectProcedure<V> procedure)
procedure
- a TOFloatObjectProcedure
value
public boolean retainEntries(TFloatObjectProcedure<V> procedure)
procedure
- determines which entries to keep
public void transformValues(TObjectFunction<V,V> function)
function
- a TObjectFunction
valuepublic void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
writeExternal
in interface java.io.Externalizable
java.io.IOException
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
java.io.IOException
java.lang.ClassNotFoundException
|
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