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