Package gnu.trove.map.hash
Class TFloatDoubleHashMap
- java.lang.Object
-
- gnu.trove.impl.hash.THash
-
- gnu.trove.impl.hash.TPrimitiveHash
-
- gnu.trove.impl.hash.TFloatDoubleHash
-
- gnu.trove.map.hash.TFloatDoubleHashMap
-
- All Implemented Interfaces:
TFloatDoubleMap
,java.io.Externalizable
,java.io.Serializable
public class TFloatDoubleHashMap extends gnu.trove.impl.hash.TFloatDoubleHash implements TFloatDoubleMap, java.io.Externalizable
An open addressed Map implementation for float keys and double values.- See Also:
- Serialized Form
-
-
Nested Class Summary
Nested Classes Modifier and Type Class Description protected class
TFloatDoubleHashMap.TKeyView
a view onto the keys of the map.protected class
TFloatDoubleHashMap.TValueView
a view onto the values of the map.
-
Field Summary
Fields Modifier and Type Field Description protected double[]
_values
the values of the map
-
Constructor Summary
Constructors Constructor Description TFloatDoubleHashMap()
Creates a newTFloatDoubleHashMap
instance with the default capacity and load factor.TFloatDoubleHashMap(float[] keys, double[] values)
Creates a newTFloatDoubleHashMap
instance containing all of the entries in the map passed in.TFloatDoubleHashMap(int initialCapacity)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TFloatDoubleHashMap(int initialCapacity, float loadFactor)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TFloatDoubleHashMap(int initialCapacity, float loadFactor, float noEntryKey, double noEntryValue)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TFloatDoubleHashMap(TFloatDoubleMap map)
Creates a newTFloatDoubleHashMap
instance containing all of the entries in the map passed in.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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 collection.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)
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 keyint
hashCode()
boolean
increment(float key)
Increments the primitive value mapped to key by 1boolean
isEmpty()
Tells whether this set is currently holding any elements.TFloatDoubleIterator
iterator()
float[]
keys()
Returns the keys of the map as an array of float values.float[]
keys(float[] array)
Returns the keys of the map.TFloatSet
keySet()
Returns the keys of the map as a TFloatSetdouble
put(float key, double value)
Inserts a key/value pair into the map.void
putAll(TFloatDoubleMap map)
Put all the entries from the given map into this map.void
putAll(java.util.Map<? extends java.lang.Float,? extends java.lang.Double> map)
Put all the entries from the given Map into this 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 set.double
remove(float key)
Deletes a key/value pair from the map.protected void
removeAt(int index)
Releases the element currently stored at index.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.java.lang.String
toString()
void
transformValues(TDoubleFunction function)
Transform the values in this map using function.TDoubleCollection
valueCollection()
Returns the values of the map as a TDoubleCollectiondouble[]
values()
Returns the values of the map as an array of #e# values.double[]
values(double[] array)
Returns the values of the map using an existing array.void
writeExternal(java.io.ObjectOutput out)
-
Methods inherited from class gnu.trove.impl.hash.TFloatDoubleHash
contains, forEach, getNoEntryKey, getNoEntryValue, index, insertKey, XinsertKey
-
Methods inherited from class gnu.trove.impl.hash.THash
calculateGrownCapacity, compact, computeMaxSize, computeNextAutoCompactionAmount, ensureCapacity, getAutoCompactionFactor, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize
-
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
-
Methods inherited from interface gnu.trove.map.TFloatDoubleMap
getNoEntryKey, getNoEntryValue, size
-
-
-
-
Constructor Detail
-
TFloatDoubleHashMap
public TFloatDoubleHashMap()
Creates a newTFloatDoubleHashMap
instance with the default capacity and load factor.
-
TFloatDoubleHashMap
public TFloatDoubleHashMap(int initialCapacity)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.- Parameters:
initialCapacity
- anint
value
-
TFloatDoubleHashMap
public TFloatDoubleHashMap(int initialCapacity, float loadFactor)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
value
-
TFloatDoubleHashMap
public TFloatDoubleHashMap(int initialCapacity, float loadFactor, float noEntryKey, double noEntryValue)
Creates a newTFloatDoubleHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
valuenoEntryKey
- afloat
value that represents null for the Key set.noEntryValue
- adouble
value that represents null for the Value set.
-
TFloatDoubleHashMap
public TFloatDoubleHashMap(float[] keys, double[] values)
Creates a newTFloatDoubleHashMap
instance containing all of the entries in the map passed in.- Parameters:
keys
- a float array containing the keys for the matching values.values
- a double array containing the values.
-
TFloatDoubleHashMap
public TFloatDoubleHashMap(TFloatDoubleMap map)
Creates a newTFloatDoubleHashMap
instance containing all of the entries in the map passed in.- Parameters:
map
- a TFloatDoubleMap that will be duplicated.
-
-
Method Detail
-
setUp
protected int setUp(int initialCapacity)
initializes the hashtable to a prime capacity which is at least initialCapacity + 1.- Overrides:
setUp
in classgnu.trove.impl.hash.TFloatDoubleHash
- Parameters:
initialCapacity
- anint
value- Returns:
- the actual capacity chosen
-
rehash
protected void rehash(int newCapacity)
Rehashes the set.- Specified by:
rehash
in classgnu.trove.impl.hash.THash
- Parameters:
newCapacity
- anint
value
-
put
public double put(float key, double value)
Inserts a key/value pair into the map.- Specified by:
put
in interfaceTFloatDoubleMap
- Parameters:
key
- anfloat
valuevalue
- andouble
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatDoubleMap.getNoEntryValue()
).
-
putIfAbsent
public 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.- Specified by:
putIfAbsent
in interfaceTFloatDoubleMap
- Parameters:
key
- anfloat
valuevalue
- andouble
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatDoubleMap.getNoEntryValue()
).
-
putAll
public void putAll(java.util.Map<? extends java.lang.Float,? extends java.lang.Double> map)
Put all the entries from the given Map into this map.- Specified by:
putAll
in interfaceTFloatDoubleMap
- Parameters:
map
- The Map from which entries will be obtained to put into this map.
-
putAll
public void putAll(TFloatDoubleMap map)
Put all the entries from the given map into this map.- Specified by:
putAll
in interfaceTFloatDoubleMap
- Parameters:
map
- The map from which entries will be obtained to put into this map.
-
get
public double get(float key)
Retrieves the value for key- Specified by:
get
in interfaceTFloatDoubleMap
- Parameters:
key
- anfloat
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatDoubleMap.getNoEntryValue()
).
-
clear
public void clear()
Empties the collection.- Specified by:
clear
in interfaceTFloatDoubleMap
- Overrides:
clear
in classgnu.trove.impl.hash.THash
-
isEmpty
public boolean isEmpty()
Tells whether this set is currently holding any elements.- Specified by:
isEmpty
in interfaceTFloatDoubleMap
- Overrides:
isEmpty
in classgnu.trove.impl.hash.THash
- Returns:
- a
boolean
value
-
remove
public double remove(float key)
Deletes a key/value pair from the map.- Specified by:
remove
in interfaceTFloatDoubleMap
- Parameters:
key
- anfloat
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatDoubleMap.getNoEntryValue()
).
-
removeAt
protected void removeAt(int index)
Releases the element currently stored at index.- Overrides:
removeAt
in classgnu.trove.impl.hash.TFloatDoubleHash
- Parameters:
index
- anint
value
-
keySet
public TFloatSet keySet()
Returns the keys of the map as a TFloatSet- Specified by:
keySet
in interfaceTFloatDoubleMap
- Returns:
- the keys of the map as a TFloatSet
-
keys
public float[] keys()
Returns the keys of the map as an array of float values.- Specified by:
keys
in interfaceTFloatDoubleMap
- Returns:
- the keys of the map as an array of float values.
-
keys
public float[] keys(float[] array)
Returns the keys of the map.- Specified by:
keys
in interfaceTFloatDoubleMap
- Parameters:
array
- 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.- Returns:
- the keys of the map as an array.
-
valueCollection
public TDoubleCollection valueCollection()
Returns the values of the map as a TDoubleCollection- Specified by:
valueCollection
in interfaceTFloatDoubleMap
- Returns:
- the values of the map as a TDoubleCollection
-
values
public double[] values()
Returns the values of the map as an array of #e# values.- Specified by:
values
in interfaceTFloatDoubleMap
- Returns:
- the values of the map as an array of #e# values.
-
values
public double[] values(double[] array)
Returns the values of the map using an existing array.- Specified by:
values
in interfaceTFloatDoubleMap
- Parameters:
array
- 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.- Returns:
- the values of the map as an array of #e# values.
-
containsValue
public boolean containsValue(double val)
Checks for the presence of val in the values of the map.- Specified by:
containsValue
in interfaceTFloatDoubleMap
- Parameters:
val
- andouble
value- Returns:
- a
boolean
value
-
containsKey
public boolean containsKey(float key)
Checks for the present of key in the keys of the map.- Specified by:
containsKey
in interfaceTFloatDoubleMap
- Parameters:
key
- anfloat
value- Returns:
- a
boolean
value
-
iterator
public TFloatDoubleIterator iterator()
- Specified by:
iterator
in interfaceTFloatDoubleMap
- Returns:
- a TFloatDoubleIterator with access to this map's keys and values
-
forEachKey
public boolean forEachKey(TFloatProcedure procedure)
Executes procedure for each key in the map.- Specified by:
forEachKey
in interfaceTFloatDoubleMap
- Parameters:
procedure
- aTFloatProcedure
value- Returns:
- false if the loop over the keys terminated because the procedure returned false for some key.
-
forEachValue
public boolean forEachValue(TDoubleProcedure procedure)
Executes procedure for each value in the map.- Specified by:
forEachValue
in interfaceTFloatDoubleMap
- Parameters:
procedure
- aT#F#Procedure
value- Returns:
- false if the loop over the values terminated because the procedure returned false for some value.
-
forEachEntry
public boolean forEachEntry(TFloatDoubleProcedure procedure)
Executes procedure for each key/value entry in the map.- Specified by:
forEachEntry
in interfaceTFloatDoubleMap
- Parameters:
procedure
- aTOFloatDoubleProcedure
value- Returns:
- false if the loop over the entries terminated because the procedure returned false for some entry.
-
transformValues
public void transformValues(TDoubleFunction function)
Transform the values in this map using function.- Specified by:
transformValues
in interfaceTFloatDoubleMap
- Parameters:
function
- aTDoubleFunction
value
-
retainEntries
public boolean retainEntries(TFloatDoubleProcedure procedure)
Retains only those entries in the map for which the procedure returns a true value.- Specified by:
retainEntries
in interfaceTFloatDoubleMap
- Parameters:
procedure
- determines which entries to keep- Returns:
- true if the map was modified.
-
increment
public boolean increment(float key)
Increments the primitive value mapped to key by 1- Specified by:
increment
in interfaceTFloatDoubleMap
- Parameters:
key
- the key of the value to increment- Returns:
- true if a mapping was found and modified.
-
adjustValue
public boolean adjustValue(float key, double amount)
Adjusts the primitive value mapped to key.- Specified by:
adjustValue
in interfaceTFloatDoubleMap
- Parameters:
key
- the key of the value to incrementamount
- the amount to adjust the value by.- Returns:
- true if a mapping was found and modified.
-
adjustOrPutValue
public 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. Otherwise, the initial_value is put in the map.- Specified by:
adjustOrPutValue
in interfaceTFloatDoubleMap
- Parameters:
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- Returns:
- the value present in the map after the adjustment or put operation
-
equals
public boolean equals(java.lang.Object other)
- Overrides:
equals
in classjava.lang.Object
-
hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
- Specified by:
writeExternal
in interfacejava.io.Externalizable
- Overrides:
writeExternal
in classgnu.trove.impl.hash.TFloatDoubleHash
- Throws:
java.io.IOException
-
readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
- Specified by:
readExternal
in interfacejava.io.Externalizable
- Overrides:
readExternal
in classgnu.trove.impl.hash.TFloatDoubleHash
- Throws:
java.io.IOException
java.lang.ClassNotFoundException
-
-