Class CharDoubleHashMap
- java.lang.Object
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- org.eclipse.collections.impl.primitive.AbstractDoubleIterable
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- org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap
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- org.eclipse.collections.impl.map.mutable.primitive.CharDoubleHashMap
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- All Implemented Interfaces:
java.io.Externalizable
,java.io.Serializable
,DoubleIterable
,CharDoubleMap
,DoubleValuesMap
,MutableCharDoubleMap
,MutableDoubleValuesMap
,PrimitiveIterable
,MutableCharKeysMap
,CharKeysMap
public class CharDoubleHashMap extends AbstractMutableDoubleValuesMap implements MutableCharDoubleMap, java.io.Externalizable, MutableCharKeysMap
This file was automatically generated from template file primitivePrimitiveHashMap.stg.- Since:
- 3.0.
- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description private class
CharDoubleHashMap.InternalDoubleIterator
private class
CharDoubleHashMap.KeySet
private class
CharDoubleHashMap.KeySetIterator
private class
CharDoubleHashMap.KeysView
private class
CharDoubleHashMap.KeyValuesView
private class
CharDoubleHashMap.ValuesCollection
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Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap
AbstractMutableDoubleValuesMap.AbstractDoubleValuesCollection, AbstractMutableDoubleValuesMap.SentinelValues
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Field Summary
Fields Modifier and Type Field Description private static int
CACHE_LINE_SIZE
private boolean
copyKeysOnWrite
private static int
DEFAULT_INITIAL_CAPACITY
private static char
EMPTY_KEY
private static double
EMPTY_VALUE
private static int
INITIAL_LINEAR_PROBE
private static int
KEY_SIZE
private char[]
keys
private int
occupiedWithData
private int
occupiedWithSentinels
private static char
REMOVED_KEY
private AbstractMutableDoubleValuesMap.SentinelValues
sentinelValues
private static long
serialVersionUID
private double[]
values
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Constructor Summary
Constructors Constructor Description CharDoubleHashMap()
CharDoubleHashMap(int initialCapacity)
CharDoubleHashMap(CharDoubleMap map)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
addKeyValueAtIndex(char key, double value, int index)
double
addToValue(char key, double toBeAdded)
Increments and updates the value associated with the key, if a value exists, or sets the value to be the specified value if one does not.protected void
allocateTable(int sizeToAllocate)
MutableCharDoubleMap
asSynchronized()
Returns a synchronized view of this map, delegating all operations to this map but ensuring only one caller has access to the map at a time.MutableCharDoubleMap
asUnmodifiable()
Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing anUnsupportedOperationException
for all mutating operations.void
clear()
Removes all entries from this map.void
compact()
Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels.boolean
containsKey(char key)
Returns whether or not the key is present in the map.private void
copyKeys()
MutableDoubleIterator
doubleIterator()
Returns a primitive iterator that can be used to iterate over the DoubleIterable in an imperative style.boolean
equals(java.lang.Object obj)
Follows the same general contract asMap.equals(Object)
.private double
fastGetIfAbsent(char key, double ifAbsent)
MutableDoubleCharMap
flipUniqueValues()
Return the DoubleCharMap that is obtained by flipping the direction of this map and making the associations from value to key.void
forEachKey(CharProcedure procedure)
Iterates through each key in the map, invoking the procedure for each.void
forEachKeyValue(CharDoubleProcedure procedure)
Iterates through each key/value pair in the map, invoking the procedure for each.double
get(char key)
Retrieves the value associated with the key.double
getAndPut(char key, double putValue, double defaultValue)
Retrieves the value associated with the key if one exists; associates a putValue with the key.protected double
getEmptyValue()
private double
getForSentinel(char key, double ifAbsent)
double
getIfAbsent(char key, double ifAbsent)
Retrieves the value associated with the key, returning the specified default value if no such mapping exists.double
getIfAbsentPut(char key, double value)
Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.double
getIfAbsentPut(char key, DoubleFunction0 function)
Retrieves the value associated with the key if one exists; if it does not, invokes the supplier and associates the result with the key.<P> double
getIfAbsentPutWith(char key, DoubleFunction<? super P> function, P parameter)
Retrieves the value associated with the key if one exists; if it does not, invokes the value function with the parameter and associates the result with the key.double
getIfAbsentPutWithKey(char key, CharToDoubleFunction function)
Retrieves the value associated with the key if one exists; if it does not, associates the result of invoking the value function with the key.protected int
getOccupiedWithData()
double
getOrThrow(char key)
Retrieves the value associated with the key, throwing anIllegalStateException
if no such mapping exists.protected AbstractMutableDoubleValuesMap.SentinelValues
getSentinelValues()
protected int
getTableSize()
protected double
getValueAtIndex(int index)
int
hashCode()
Follows the same general contract asMap.hashCode()
.<V> V
injectInto(V injectedValue, ObjectDoubleToObjectFunction<? super V,? extends V> function)
private static boolean
isEmptyKey(char key)
private static boolean
isNonSentinel(char key)
protected boolean
isNonSentinelAtIndex(int index)
private static boolean
isRemovedKey(char key)
MutableCharSet
keySet()
Returns a set containing all the keys in this map.LazyCharIterable
keysView()
Returns a view of the keys in this map.RichIterable<CharDoublePair>
keyValuesView()
Returns a view of the key/value pairs in this map.private int
mask(int spread)
private int
maxOccupiedWithData()
static CharDoubleHashMap
newWithKeysValues(char key1, double value1)
static CharDoubleHashMap
newWithKeysValues(char key1, double value1, char key2, double value2)
static CharDoubleHashMap
newWithKeysValues(char key1, double value1, char key2, double value2, char key3, double value3)
static CharDoubleHashMap
newWithKeysValues(char key1, double value1, char key2, double value2, char key3, double value3, char key4, double value4)
(package private) int
probe(char element)
(package private) int
probeThree(char element, int removedIndex)
(package private) int
probeTwo(char element, int removedIndex)
void
put(char key, double value)
Associates a value with the specified key.void
putAll(CharDoubleMap map)
Puts all of the key/value mappings from the specified map into this map.private void
putForEmptySentinel(double value)
private void
putForRemovedSentinel(double value)
void
readExternal(java.io.ObjectInput in)
private void
rehash(int newCapacity)
private void
rehashAndGrow()
CharDoubleHashMap
reject(CharDoublePredicate predicate)
Return a copy of this map containing only the key/value pairs that do not match the predicate.void
remove(char key)
Removes the mapping associated with the key, if one exists, from the map.void
removeKey(char key)
Removes the mapping associated with the key, if one exists, from the map.private void
removeKeyAtIndex(int index)
double
removeKeyIfAbsent(char key, double value)
Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key.CharDoubleHashMap
select(CharDoublePredicate predicate)
Return a copy of this map containing only the key/value pairs that match the predicate.protected void
setSentinelValuesNull()
private double
slowGetIfAbsent(char key, double ifAbsent)
private double
slowGetIfAbsentTwo(char key, double ifAbsent)
private int
smallestPowerOfTwoGreaterThan(int n)
(package private) int
spreadAndMask(char element)
(package private) int
spreadTwoAndMask(char element)
ImmutableCharDoubleMap
toImmutable()
Returns a copy of this map that is immutable (if this map is mutable) or itself if it is already immutable.java.lang.String
toString()
Returns a string with the elements of this iterable separated by commas with spaces and enclosed in square brackets.double
updateValue(char key, double initialValueIfAbsent, DoubleToDoubleFunction function)
Updates or sets the value associated with the key by applying the function to the existing value, if one exists, or to the specified initial value if one does not.void
updateValues(CharDoubleToDoubleFunction function)
Updates the values in-place.MutableDoubleCollection
values()
Returns the values in this map as a separate collection.CharDoubleHashMap
withKeysValues(char key1, double value1, char key2, double value2)
CharDoubleHashMap
withKeysValues(char key1, double value1, char key2, double value2, char key3, double value3)
CharDoubleHashMap
withKeysValues(char key1, double value1, char key2, double value2, char key3, double value3, char key4, double value4)
CharDoubleHashMap
withKeyValue(char key1, double value1)
Associates a value with the specified key.CharDoubleHashMap
withoutAllKeys(CharIterable keys)
Removes the mappings associated with all the keys, if they exist, from this map.CharDoubleHashMap
withoutKey(char key)
Removes the mapping associated with the key, if one exists, from this map.void
writeExternal(java.io.ObjectOutput out)
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Methods inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap
addEmptyKeyValue, addRemovedKeyValue, allSatisfy, anySatisfy, appendString, chunk, collect, contains, containsAll, containsValue, count, detectIfNone, each, forEachValue, isEmpty, max, min, notEmpty, reject, removeEmptyKey, removeRemovedKey, select, size, sum, toArray, toArray
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Methods inherited from class org.eclipse.collections.impl.primitive.AbstractDoubleIterable
asLazy, average, maxIfEmpty, median, minIfEmpty, toBag, toList, toSet, toSortedArray, toSortedList
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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 org.eclipse.collections.api.map.primitive.CharDoubleMap
injectIntoKeyValue
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Methods inherited from interface org.eclipse.collections.impl.map.primitive.CharKeysMap
isEmpty, notEmpty, size
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Methods inherited from interface org.eclipse.collections.api.DoubleIterable
allSatisfy, anySatisfy, asLazy, average, averageIfEmpty, chunk, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectInt, collectLong, collectShort, contains, containsAll, containsAll, containsAny, containsAny, containsNone, containsNone, count, detectIfNone, each, flatCollect, forEach, injectIntoBoolean, injectIntoByte, injectIntoChar, injectIntoDouble, injectIntoFloat, injectIntoInt, injectIntoLong, injectIntoShort, max, maxIfEmpty, median, medianIfEmpty, min, minIfEmpty, noneSatisfy, reduce, reduceIfEmpty, reject, select, sum, summaryStatistics, toArray, toArray, toBag, toList, toSet, toSortedArray, toSortedList, toSortedList, toSortedListBy, toSortedListBy
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Methods inherited from interface org.eclipse.collections.api.map.primitive.DoubleValuesMap
containsValue, forEachValue, tap
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Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableCharDoubleMap
putPair, withAllKeyValues
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Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableDoubleValuesMap
collect, reject, select
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Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable
appendString, appendString, appendString, isEmpty, makeString, makeString, makeString, notEmpty, size
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Field Detail
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EMPTY_VALUE
private static final double EMPTY_VALUE
- See Also:
- Constant Field Values
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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EMPTY_KEY
private static final char EMPTY_KEY
- See Also:
- Constant Field Values
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REMOVED_KEY
private static final char REMOVED_KEY
- See Also:
- Constant Field Values
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CACHE_LINE_SIZE
private static final int CACHE_LINE_SIZE
- See Also:
- Constant Field Values
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KEY_SIZE
private static final int KEY_SIZE
- See Also:
- Constant Field Values
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INITIAL_LINEAR_PROBE
private static final int INITIAL_LINEAR_PROBE
- See Also:
- Constant Field Values
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DEFAULT_INITIAL_CAPACITY
private static final int DEFAULT_INITIAL_CAPACITY
- See Also:
- Constant Field Values
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keys
private char[] keys
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values
private double[] values
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occupiedWithData
private int occupiedWithData
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occupiedWithSentinels
private int occupiedWithSentinels
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sentinelValues
private AbstractMutableDoubleValuesMap.SentinelValues sentinelValues
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copyKeysOnWrite
private boolean copyKeysOnWrite
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Constructor Detail
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CharDoubleHashMap
public CharDoubleHashMap()
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CharDoubleHashMap
public CharDoubleHashMap(int initialCapacity)
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CharDoubleHashMap
public CharDoubleHashMap(CharDoubleMap map)
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Method Detail
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newWithKeysValues
public static CharDoubleHashMap newWithKeysValues(char key1, double value1)
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newWithKeysValues
public static CharDoubleHashMap newWithKeysValues(char key1, double value1, char key2, double value2)
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newWithKeysValues
public static CharDoubleHashMap newWithKeysValues(char key1, double value1, char key2, double value2, char key3, double value3)
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newWithKeysValues
public static CharDoubleHashMap newWithKeysValues(char key1, double value1, char key2, double value2, char key3, double value3, char key4, double value4)
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smallestPowerOfTwoGreaterThan
private int smallestPowerOfTwoGreaterThan(int n)
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getOccupiedWithData
protected int getOccupiedWithData()
- Specified by:
getOccupiedWithData
in classAbstractMutableDoubleValuesMap
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getSentinelValues
protected AbstractMutableDoubleValuesMap.SentinelValues getSentinelValues()
- Specified by:
getSentinelValues
in classAbstractMutableDoubleValuesMap
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setSentinelValuesNull
protected void setSentinelValuesNull()
- Specified by:
setSentinelValuesNull
in classAbstractMutableDoubleValuesMap
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getEmptyValue
protected double getEmptyValue()
- Specified by:
getEmptyValue
in classAbstractMutableDoubleValuesMap
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getTableSize
protected int getTableSize()
- Specified by:
getTableSize
in classAbstractMutableDoubleValuesMap
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getValueAtIndex
protected double getValueAtIndex(int index)
- Specified by:
getValueAtIndex
in classAbstractMutableDoubleValuesMap
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equals
public boolean equals(java.lang.Object obj)
Description copied from interface:CharDoubleMap
Follows the same general contract asMap.equals(Object)
.- Specified by:
equals
in interfaceCharDoubleMap
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
Description copied from interface:CharDoubleMap
Follows the same general contract asMap.hashCode()
.- Specified by:
hashCode
in interfaceCharDoubleMap
- Overrides:
hashCode
in classjava.lang.Object
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toString
public java.lang.String toString()
Description copied from interface:PrimitiveIterable
Returns a string with the elements of this iterable separated by commas with spaces and enclosed in square brackets.Assert.assertEquals("[]", IntLists.mutable.empty().toString()); Assert.assertEquals("[1]", IntLists.mutable.with(1).toString()); Assert.assertEquals("[1, 2, 3]", IntLists.mutable.with(1, 2, 3).toString());
- Specified by:
toString
in interfaceCharDoubleMap
- Specified by:
toString
in interfacePrimitiveIterable
- Overrides:
toString
in classAbstractDoubleIterable
- Returns:
- a string representation of this PrimitiveIterable
- See Also:
AbstractCollection.toString()
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doubleIterator
public MutableDoubleIterator doubleIterator()
Description copied from interface:DoubleIterable
Returns a primitive iterator that can be used to iterate over the DoubleIterable in an imperative style.- Specified by:
doubleIterator
in interfaceDoubleIterable
- Specified by:
doubleIterator
in interfaceMutableDoubleValuesMap
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injectInto
public <V> V injectInto(V injectedValue, ObjectDoubleToObjectFunction<? super V,? extends V> function)
- Specified by:
injectInto
in interfaceDoubleIterable
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clear
public void clear()
Description copied from interface:MutableDoubleValuesMap
Removes all entries from this map.- Specified by:
clear
in interfaceMutableCharKeysMap
- Specified by:
clear
in interfaceMutableDoubleValuesMap
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put
public void put(char key, double value)
Description copied from interface:MutableCharDoubleMap
Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced withvalue
.- Specified by:
put
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyvalue
- the value to associate withvalue
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putForRemovedSentinel
private void putForRemovedSentinel(double value)
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putForEmptySentinel
private void putForEmptySentinel(double value)
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putAll
public void putAll(CharDoubleMap map)
Description copied from interface:MutableCharDoubleMap
Puts all of the key/value mappings from the specified map into this map. If this map already has a value associated with one of the keys in the map, it will be replaced with the value inmap
.- Specified by:
putAll
in interfaceMutableCharDoubleMap
- Parameters:
map
- the map to copy into this map
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updateValues
public void updateValues(CharDoubleToDoubleFunction function)
Description copied from interface:MutableCharDoubleMap
Updates the values in-place.- Specified by:
updateValues
in interfaceMutableCharDoubleMap
- Parameters:
function
- that takes a key and its value and that returns a new value for this key
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removeKey
public void removeKey(char key)
Description copied from interface:MutableCharDoubleMap
Removes the mapping associated with the key, if one exists, from the map.- Specified by:
removeKey
in interfaceMutableCharDoubleMap
- Specified by:
removeKey
in interfaceMutableCharKeysMap
- Parameters:
key
- the key to remove- See Also:
MutableCharDoubleMap.remove(char)
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remove
public void remove(char key)
Description copied from interface:MutableCharDoubleMap
Removes the mapping associated with the key, if one exists, from the map.- Specified by:
remove
in interfaceMutableCharDoubleMap
- Parameters:
key
- the key to remove- See Also:
MutableCharDoubleMap.removeKey(char)
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removeKeyIfAbsent
public double removeKeyIfAbsent(char key, double value)
Description copied from interface:MutableCharDoubleMap
Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key. If no mapping existed for the key, the specified default value is returned.- Specified by:
removeKeyIfAbsent
in interfaceMutableCharDoubleMap
- Parameters:
key
- the key to removevalue
- the default value to return if no mapping for the key exists- Returns:
- the value previously associated with the key, if one existed,
or
value
if not
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getIfAbsentPut
public double getIfAbsentPut(char key, double value)
Description copied from interface:MutableCharDoubleMap
Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.- Specified by:
getIfAbsentPut
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyvalue
- the value to associate withkey
if no such mapping exists- Returns:
- the value associated with key, if one exists, or
value
if not
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getAndPut
public double getAndPut(char key, double putValue, double defaultValue)
Description copied from interface:MutableCharDoubleMap
Retrieves the value associated with the key if one exists; associates a putValue with the key.- Specified by:
getAndPut
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyputValue
- the value to associate withkey
if no such mapping existsdefaultValue
- the value to return if no mapping associated withkey
exists- Returns:
- the value associated with key, if one exists, or
defaultValue
if not
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getIfAbsentPut
public double getIfAbsentPut(char key, DoubleFunction0 function)
Description copied from interface:MutableCharDoubleMap
Retrieves the value associated with the key if one exists; if it does not, invokes the supplier and associates the result with the key.- Specified by:
getIfAbsentPut
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyfunction
- the supplier that provides the value if no mapping exists forkey
- Returns:
- the value associated with the key, if one exists, or the result of
invoking
function
if not
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getIfAbsentPutWith
public <P> double getIfAbsentPutWith(char key, DoubleFunction<? super P> function, P parameter)
Description copied from interface:MutableCharDoubleMap
Retrieves the value associated with the key if one exists; if it does not, invokes the value function with the parameter and associates the result with the key.- Specified by:
getIfAbsentPutWith
in interfaceMutableCharDoubleMap
- Type Parameters:
P
- the type of the value function'sparameter
- Parameters:
key
- the keyfunction
- the function that provides the value if no mapping exists. The specifiedparameter
will be passed as the argument to the function.parameter
- the parameter to provide tofunction
if no value exists forkey
- Returns:
- the value associated with the key, if one exists, or the result of
invoking
function
withparameter
if not
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getIfAbsentPutWithKey
public double getIfAbsentPutWithKey(char key, CharToDoubleFunction function)
Description copied from interface:MutableCharDoubleMap
Retrieves the value associated with the key if one exists; if it does not, associates the result of invoking the value function with the key.- Specified by:
getIfAbsentPutWithKey
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyfunction
- the function that provides the value if no mapping exists. Thekey
will be passed as the argument to the function.- Returns:
- the value associated with the key, if one exists, or the result of
invoking
function
withkey
if not
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addToValue
public double addToValue(char key, double toBeAdded)
Description copied from interface:MutableCharDoubleMap
Increments and updates the value associated with the key, if a value exists, or sets the value to be the specified value if one does not.- Specified by:
addToValue
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keytoBeAdded
- the amount to increment the existing value, if one exists, or to use as the initial value if one does not- Returns:
- the value after incrementing
toBeAdded
to the existing value associated withkey
ortoBeAdded
if one does not
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addKeyValueAtIndex
private void addKeyValueAtIndex(char key, double value, int index)
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removeKeyAtIndex
private void removeKeyAtIndex(int index)
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copyKeys
private void copyKeys()
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updateValue
public double updateValue(char key, double initialValueIfAbsent, DoubleToDoubleFunction function)
Description copied from interface:MutableCharDoubleMap
Updates or sets the value associated with the key by applying the function to the existing value, if one exists, or to the specified initial value if one does not.- Specified by:
updateValue
in interfaceMutableCharDoubleMap
- Parameters:
key
- the keyinitialValueIfAbsent
- the initial value to supply to the function if no mapping exists for the keyfunction
- the function that returns the updated value based on the current value or the initial value, if no value exists- Returns:
- the new value associated with the key, either as a result of applying
function
to the value already associated with the key or as a result of applying it toinitialValueIfAbsent
and associating the result withkey
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withKeyValue
public CharDoubleHashMap withKeyValue(char key1, double value1)
Description copied from interface:MutableCharDoubleMap
Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced withvalue
.- Specified by:
withKeyValue
in interfaceMutableCharDoubleMap
- Parameters:
key1
- the keyvalue1
- the value to associate withvalue
- Returns:
- this map
- See Also:
MutableCharDoubleMap.put(char, double)
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withKeysValues
public CharDoubleHashMap withKeysValues(char key1, double value1, char key2, double value2)
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withKeysValues
public CharDoubleHashMap withKeysValues(char key1, double value1, char key2, double value2, char key3, double value3)
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withKeysValues
public CharDoubleHashMap withKeysValues(char key1, double value1, char key2, double value2, char key3, double value3, char key4, double value4)
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withoutKey
public CharDoubleHashMap withoutKey(char key)
Description copied from interface:MutableCharDoubleMap
Removes the mapping associated with the key, if one exists, from this map.- Specified by:
withoutKey
in interfaceMutableCharDoubleMap
- Parameters:
key
- the key to remove- Returns:
- this map
- See Also:
MutableCharDoubleMap.remove(char)
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withoutAllKeys
public CharDoubleHashMap withoutAllKeys(CharIterable keys)
Description copied from interface:MutableCharDoubleMap
Removes the mappings associated with all the keys, if they exist, from this map.- Specified by:
withoutAllKeys
in interfaceMutableCharDoubleMap
- Parameters:
keys
- the keys to remove- Returns:
- this map
- See Also:
MutableCharDoubleMap.remove(char)
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asUnmodifiable
public MutableCharDoubleMap asUnmodifiable()
Description copied from interface:MutableCharDoubleMap
Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing anUnsupportedOperationException
for all mutating operations. This avoids the overhead of copying the map when callingCharDoubleMap.toImmutable()
while still providing immutability.- Specified by:
asUnmodifiable
in interfaceMutableCharDoubleMap
- Returns:
- an unmodifiable view of this map
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asSynchronized
public MutableCharDoubleMap asSynchronized()
Description copied from interface:MutableCharDoubleMap
Returns a synchronized view of this map, delegating all operations to this map but ensuring only one caller has access to the map at a time.- Specified by:
asSynchronized
in interfaceMutableCharDoubleMap
- Returns:
- a synchronized view of this map
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toImmutable
public ImmutableCharDoubleMap toImmutable()
Description copied from interface:CharDoubleMap
Returns a copy of this map that is immutable (if this map is mutable) or itself if it is already immutable.- Specified by:
toImmutable
in interfaceCharDoubleMap
- Returns:
- an immutable map that is equivalent to this one
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get
public double get(char key)
Description copied from interface:CharDoubleMap
Retrieves the value associated with the key. If no mapping exists for the key, the default value (usually0
) is returned.- Specified by:
get
in interfaceCharDoubleMap
- Parameters:
key
- the key- Returns:
- the value associated with the key, or the default value if no such mapping exists
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getIfAbsent
public double getIfAbsent(char key, double ifAbsent)
Description copied from interface:CharDoubleMap
Retrieves the value associated with the key, returning the specified default value if no such mapping exists.- Specified by:
getIfAbsent
in interfaceCharDoubleMap
- Parameters:
key
- the keyifAbsent
- the default value to return if no mapping exists forkey
- Returns:
- the value associated with the key, or
ifAbsent
if no such mapping exists.
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getForSentinel
private double getForSentinel(char key, double ifAbsent)
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slowGetIfAbsent
private double slowGetIfAbsent(char key, double ifAbsent)
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fastGetIfAbsent
private double fastGetIfAbsent(char key, double ifAbsent)
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slowGetIfAbsentTwo
private double slowGetIfAbsentTwo(char key, double ifAbsent)
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getOrThrow
public double getOrThrow(char key)
Description copied from interface:CharDoubleMap
Retrieves the value associated with the key, throwing anIllegalStateException
if no such mapping exists.- Specified by:
getOrThrow
in interfaceCharDoubleMap
- Parameters:
key
- the key- Returns:
- the value associated with the key
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containsKey
public boolean containsKey(char key)
Description copied from interface:CharDoubleMap
Returns whether or not the key is present in the map.- Specified by:
containsKey
in interfaceCharDoubleMap
- Specified by:
containsKey
in interfaceCharKeysMap
- Parameters:
key
- the key- Returns:
- if a mapping exists in this map for the key
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forEachKey
public void forEachKey(CharProcedure procedure)
Description copied from interface:CharDoubleMap
Iterates through each key in the map, invoking the procedure for each.- Specified by:
forEachKey
in interfaceCharDoubleMap
- Specified by:
forEachKey
in interfaceCharKeysMap
- Parameters:
procedure
- the procedure to invoke for each key
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forEachKeyValue
public void forEachKeyValue(CharDoubleProcedure procedure)
Description copied from interface:CharDoubleMap
Iterates through each key/value pair in the map, invoking the procedure for each.- Specified by:
forEachKeyValue
in interfaceCharDoubleMap
- Parameters:
procedure
- the procedure to invoke for each key/value pair
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keysView
public LazyCharIterable keysView()
Description copied from interface:CharDoubleMap
Returns a view of the keys in this map. This iterable is backed by the map, so any modifications to the underlying map will be reflected in the keys returned by the iterable.- Specified by:
keysView
in interfaceCharDoubleMap
- Returns:
- a view of the keys in this map
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keyValuesView
public RichIterable<CharDoublePair> keyValuesView()
Description copied from interface:CharDoubleMap
Returns a view of the key/value pairs in this map. This iterable is backed by the map, so any modifications to the underlying map will be reflected in the pairs returned by the iterable.- Specified by:
keyValuesView
in interfaceCharDoubleMap
- Returns:
- a view of the keys in this map
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flipUniqueValues
public MutableDoubleCharMap flipUniqueValues()
Description copied from interface:CharDoubleMap
Return the DoubleCharMap that is obtained by flipping the direction of this map and making the associations from value to key.- Specified by:
flipUniqueValues
in interfaceCharDoubleMap
- Specified by:
flipUniqueValues
in interfaceMutableCharDoubleMap
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select
public CharDoubleHashMap select(CharDoublePredicate predicate)
Description copied from interface:CharDoubleMap
Return a copy of this map containing only the key/value pairs that match the predicate.- Specified by:
select
in interfaceCharDoubleMap
- Specified by:
select
in interfaceMutableCharDoubleMap
- Parameters:
predicate
- the predicate to determine which key/value pairs in this map should be included in the returned map- Returns:
- a copy of this map with the matching key/value pairs
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reject
public CharDoubleHashMap reject(CharDoublePredicate predicate)
Description copied from interface:CharDoubleMap
Return a copy of this map containing only the key/value pairs that do not match the predicate.- Specified by:
reject
in interfaceCharDoubleMap
- Specified by:
reject
in interfaceMutableCharDoubleMap
- Parameters:
predicate
- the predicate to determine which key/value pairs in this map should be excluded from the returned map- Returns:
- a copy of this map without the matching key/value pairs
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writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
- Specified by:
writeExternal
in interfacejava.io.Externalizable
- 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
- Throws:
java.io.IOException
java.lang.ClassNotFoundException
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compact
public void compact()
Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels.
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rehashAndGrow
private void rehashAndGrow()
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rehash
private void rehash(int newCapacity)
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probe
int probe(char element)
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probeTwo
int probeTwo(char element, int removedIndex)
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probeThree
int probeThree(char element, int removedIndex)
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spreadAndMask
int spreadAndMask(char element)
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spreadTwoAndMask
int spreadTwoAndMask(char element)
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mask
private int mask(int spread)
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allocateTable
protected void allocateTable(int sizeToAllocate)
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isEmptyKey
private static boolean isEmptyKey(char key)
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isRemovedKey
private static boolean isRemovedKey(char key)
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isNonSentinel
private static boolean isNonSentinel(char key)
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isNonSentinelAtIndex
protected boolean isNonSentinelAtIndex(int index)
- Specified by:
isNonSentinelAtIndex
in classAbstractMutableDoubleValuesMap
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maxOccupiedWithData
private int maxOccupiedWithData()
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keySet
public MutableCharSet keySet()
Description copied from interface:CharDoubleMap
Returns a set containing all the keys in this map. The set is backed by the map, so any modifications to the returned set will affect this map.- Specified by:
keySet
in interfaceCharDoubleMap
- Returns:
- a mutable set containing the keys in this map
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values
public MutableDoubleCollection values()
Description copied from interface:DoubleValuesMap
Returns the values in this map as a separate collection. The returned collection is backed by the map, so any changes made to the returned collection will affect the state of this map.- Specified by:
values
in interfaceDoubleValuesMap
- Returns:
- the values as a collection backed by this map
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