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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TLongHash
gnu.trove.TLongDoubleHashMap
public class TLongDoubleHashMap
An open addressed Map implementation for long 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.TLongHash |
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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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TLongDoubleHashMap()
Creates a new TLongDoubleHashMap instance with the default
capacity and load factor. |
|
TLongDoubleHashMap(int initialCapacity)
Creates a new TLongDoubleHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
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TLongDoubleHashMap(int initialCapacity,
float loadFactor)
Creates a new TLongDoubleHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
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TLongDoubleHashMap(int initialCapacity,
float loadFactor,
TLongHashingStrategy strategy)
Creates a new TLongDoubleHashMap instance with a prime
value at or near the specified capacity and load factor. |
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TLongDoubleHashMap(int initialCapacity,
TLongHashingStrategy strategy)
Creates a new TLongDoubleHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TLongDoubleHashMap(TLongHashingStrategy strategy)
Creates a new TLongDoubleHashMap instance with the default
capacity and load factor. |
Method Summary | |
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double |
adjustOrPutValue(long 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(long key,
double amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(long 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(TLongDoubleProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TLongProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TDoubleProcedure procedure)
Executes procedure for each value in the map. |
double |
get(long key)
retrieves the value for key |
double[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(long key)
Increments the primitive value mapped to key by 1 |
TLongDoubleIterator |
iterator()
|
long[] |
keys()
returns the keys of the map. |
long[] |
keys(long[] a)
returns the keys of the map. |
double |
put(long key,
double value)
Inserts a key/value pair into the map. |
void |
putAll(TLongDoubleHashMap map)
Put all the entries from the given map into this map. |
double |
putIfAbsent(long 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(long key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TLongDoubleProcedure 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(TDoubleFunction function)
Transform the values in this map using function. |
void |
writeExternal(java.io.ObjectOutput out)
|
Methods inherited from class gnu.trove.TLongHash |
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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, wait, wait, wait |
Field Detail |
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protected transient double[] _values
Constructor Detail |
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public TLongDoubleHashMap()
TLongDoubleHashMap
instance with the default
capacity and load factor.
public TLongDoubleHashMap(int initialCapacity)
TLongDoubleHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity
- an int
valuepublic TLongDoubleHashMap(int initialCapacity, float loadFactor)
TLongDoubleHashMap
instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity
- an int
valueloadFactor
- a float
valuepublic TLongDoubleHashMap(TLongHashingStrategy strategy)
TLongDoubleHashMap
instance with the default
capacity and load factor.
strategy
- used to compute hash codes and to compare keys.public TLongDoubleHashMap(int initialCapacity, TLongHashingStrategy strategy)
TLongDoubleHashMap
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 TLongDoubleHashMap(int initialCapacity, float loadFactor, TLongHashingStrategy strategy)
TLongDoubleHashMap
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 TLongHash
public TLongDoubleIterator iterator()
protected int setUp(int initialCapacity)
setUp
in class TLongHash
initialCapacity
- an int
value
public double put(long key, double value)
key
- an long
valuevalue
- an double
value
public double putIfAbsent(long key, double value)
key
- an long
valuevalue
- an double
value
public void putAll(TLongDoubleHashMap map)
map
- The map from which entries will be obtained to put into this map.protected void rehash(int newCapacity)
rehash
in class THash
newCapacity
- an int
valuepublic double get(long key)
key
- an long
value
public void clear()
clear
in class THash
public double remove(long key)
key
- an long
value
double
value, or (long)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 TLongHash
index
- an int
valuepublic double[] getValues()
Collection
valuepublic long[] keys()
Set
valuepublic long[] keys(long[] 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(long key)
key
- an long
value
boolean
valuepublic boolean forEachKey(TLongProcedure procedure)
procedure
- a TLongProcedure
value
public boolean forEachValue(TDoubleProcedure procedure)
procedure
- a TDoubleProcedure
value
public boolean forEachEntry(TLongDoubleProcedure procedure)
procedure
- a TOLongDoubleProcedure
value
public boolean retainEntries(TLongDoubleProcedure procedure)
procedure
- determines which entries to keep
public void transformValues(TDoubleFunction function)
function
- a TDoubleFunction
valuepublic boolean increment(long key)
key
- the key of the value to increment
public boolean adjustValue(long key, double amount)
key
- the key of the value to incrementamount
- the amount to adjust the value by.
public double adjustOrPutValue(long 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
public java.lang.String toString()
toString
in class java.lang.Object
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