java.lang.Object
- org.eclipse.collections.impl.primitive.AbstractDoubleIterable
- - org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap
  - - org.eclipse.collections.impl.map.mutable.primitive.DoubleDoubleHashMap

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, DoubleIterable, DoubleDoubleMap, DoubleValuesMap, MutableDoubleDoubleMap, MutableDoubleValuesMap, PrimitiveIterable, MutableDoubleKeysMap, DoubleKeysMap
```
public class DoubleDoubleHashMap
extends AbstractMutableDoubleValuesMap
implements MutableDoubleDoubleMap, java.io.Externalizable, MutableDoubleKeysMap
```
This file was automatically generated from template file primitivePrimitiveHashMap.stg.

Since:

3.0.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`private class`	`DoubleDoubleHashMap.InternalDoubleIterator`
`private class`	`DoubleDoubleHashMap.KeySet`
`private class`	`DoubleDoubleHashMap.KeySetIterator`
`private class`	`DoubleDoubleHashMap.KeysView`
`private class`	`DoubleDoubleHashMap.KeyValuesView`
`private class`	`DoubleDoubleHashMap.ValuesCollection`

Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap
AbstractMutableDoubleValuesMap.AbstractDoubleValuesCollection, AbstractMutableDoubleValuesMap.SentinelValues

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 double`	`EMPTY_KEY`
`private static double`	`EMPTY_VALUE`
`private static int`	`INITIAL_LINEAR_PROBE`
`private static int`	`KEY_SIZE`
`private double[]`	`keysValues`
`private int`	`occupiedWithData`
`private int`	`occupiedWithSentinels`
`private static double`	`REMOVED_KEY`
`private AbstractMutableDoubleValuesMap.SentinelValues`	`sentinelValues`
`private static long`	`serialVersionUID`

Constructor Summary

Constructors
Constructor Description

DoubleDoubleHashMap()

DoubleDoubleHashMap(int initialCapacity)

DoubleDoubleHashMap(DoubleDoubleMap map)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`private void`	`addKeyValueAtIndex(double key, double value, int index)`
`double`	`addToValue(double 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)`
`boolean`	`allSatisfyKeyValue(DoubleDoublePredicate predicate)`
`MutableDoubleDoubleMap`	`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.
`MutableDoubleDoubleMap`	`asUnmodifiable()`	Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing an `UnsupportedOperationException` for all mutating operations.
`void`	`clear()`	Removes all entries from this map.
`void`	`compact()`	Deprecated. since 12.0 - Use `trimToSize()` instead
`boolean`	`containsKey(double 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 as `Map.equals(Object)`.
`private double`	`fastGetIfAbsent(double key, double ifAbsent)`
`MutableDoubleDoubleMap`	`flipUniqueValues()`	Return the DoubleDoubleMap that is obtained by flipping the direction of this map and making the associations from value to key.
`void`	`forEachKey(DoubleProcedure procedure)`	Iterates through each key in the map, invoking the procedure for each.
`void`	`forEachKeyValue(DoubleDoubleProcedure procedure)`	Iterates through each key/value pair in the map, invoking the procedure for each.
`double`	`get(double key)`	Retrieves the value associated with the key.
`double`	`getAndPut(double 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(double key, double ifAbsent)`
`double`	`getIfAbsent(double key, double ifAbsent)`	Retrieves the value associated with the key, returning the specified default value if no such mapping exists.
`double`	`getIfAbsentPut(double 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(double 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(double 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(double key, DoubleToDoubleFunction 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(double key)`	Retrieves the value associated with the key, throwing an `IllegalStateException` if no such mapping exists.
`protected AbstractMutableDoubleValuesMap.SentinelValues`	`getSentinelValues()`
`protected int`	`getTableSize()`
`protected double`	`getValueAtIndex(int index)`
`int`	`hashCode()`	Follows the same general contract as `Map.hashCode()`.
`<V> V`	`injectInto(V injectedValue, ObjectDoubleToObjectFunction<? super V,? extends V> function)`
`private static boolean`	`isEmptyKey(double key)`
`private static boolean`	`isNonSentinel(double key)`
`protected boolean`	`isNonSentinelAtIndex(int index)`
`private static boolean`	`isRemovedKey(double key)`
`MutableDoubleSet`	`keySet()`	Returns a set containing all the keys in this map.
`LazyDoubleIterable`	`keysView()`	Returns a view of the keys in this map.
`RichIterable<DoubleDoublePair>`	`keyValuesView()`	Returns a view of the key/value pairs in this map.
`private int`	`mask(int spread)`
`private int`	`maxOccupiedWithData()`
`static DoubleDoubleHashMap`	`newWithKeysValues(double key1, double value1)`
`static DoubleDoubleHashMap`	`newWithKeysValues(double key1, double value1, double key2, double value2)`
`static DoubleDoubleHashMap`	`newWithKeysValues(double key1, double value1, double key2, double value2, double key3, double value3)`
`static DoubleDoubleHashMap`	`newWithKeysValues(double key1, double value1, double key2, double value2, double key3, double value3, double key4, double value4)`
`(package private) int`	`probe(double element)`
`(package private) int`	`probeThree(double element, int removedIndex)`
`(package private) int`	`probeTwo(double element, int removedIndex)`
`void`	`put(double key, double value)`	Associates a value with the specified key.
`void`	`putAll(DoubleDoubleMap 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()`
`DoubleDoubleHashMap`	`reject(DoubleDoublePredicate predicate)`	Return a copy of this map containing only the key/value pairs that do not match the predicate.
`void`	`remove(double key)`	Removes the mapping associated with the key, if one exists, from the map.
`void`	`removeKey(double key)`	Removes the mapping associated with the key, if one exists, from the map.
`private void`	`removeKeyAtIndex(int index)`
`double`	`removeKeyIfAbsent(double key, double value)`	Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key.
`DoubleDoubleHashMap`	`select(DoubleDoublePredicate predicate)`	Return a copy of this map containing only the key/value pairs that match the predicate.
`protected void`	`setSentinelValuesNull()`
`private double`	`slowGetIfAbsent(double key, double ifAbsent)`
`private double`	`slowGetIfAbsentTwo(double key, double ifAbsent)`
`private int`	`smallestPowerOfTwoGreaterThan(int n)`
`(package private) int`	`spreadAndMask(double element)`
`(package private) int`	`spreadTwoAndMask(double element)`
`ImmutableDoubleDoubleMap`	`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.
`boolean`	`trimToSize()`
`double`	`updateValue(double 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(DoubleDoubleToDoubleFunction function)`	Updates the values in-place.
`MutableDoubleCollection`	`values()`	Returns the values in this map as a separate collection.
`DoubleDoubleHashMap`	`withKeysValues(double key1, double value1, double key2, double value2)`
`DoubleDoubleHashMap`	`withKeysValues(double key1, double value1, double key2, double value2, double key3, double value3)`
`DoubleDoubleHashMap`	`withKeysValues(double key1, double value1, double key2, double value2, double key3, double value3, double key4, double value4)`
`DoubleDoubleHashMap`	`withKeyValue(double key1, double value1)`	Associates a value with the specified key.
`DoubleDoubleHashMap`	`withoutAllKeys(DoubleIterable keys)`	Removes the mappings associated with all the keys, if they exist, from this map.
`DoubleDoubleHashMap`	`withoutKey(double key)`	Removes the mapping associated with the key, if one exists, from this map.
`void`	`writeExternal(java.io.ObjectOutput out)`

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

Methods inherited from class org.eclipse.collections.impl.primitive.AbstractDoubleIterable
asLazy, average, maxIfEmpty, median, minIfEmpty, toBag, toList, toSet, toSortedArray, toSortedList

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.collections.api.map.primitive.DoubleDoubleMap
injectIntoKeyValue

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

Methods inherited from interface org.eclipse.collections.impl.map.primitive.DoubleKeysMap
isEmpty, notEmpty, size

Methods inherited from interface org.eclipse.collections.api.map.primitive.DoubleValuesMap
containsValue, forEachValue, tap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableDoubleDoubleMap
putPair, withAllKeyValues

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableDoubleValuesMap
collect, reject, select

Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable
appendString, appendString, appendString, isEmpty, makeString, makeString, makeString, notEmpty, size

- Field Detail
  - EMPTY_VALUE
```
private static final double EMPTY_VALUE
```
    See Also:
    
    Constant Field Values
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    
    Constant Field Values
  - EMPTY_KEY
```
private static final double EMPTY_KEY
```
    See Also:
    
    Constant Field Values
  - REMOVED_KEY
```
private static final double REMOVED_KEY
```
    See Also:
    
    Constant Field Values
  - CACHE_LINE_SIZE
```
private static final int CACHE_LINE_SIZE
```
    See Also:
    
    Constant Field Values
  - KEY_SIZE
```
private static final int KEY_SIZE
```
    See Also:
    
    Constant Field Values
  - INITIAL_LINEAR_PROBE
```
private static final int INITIAL_LINEAR_PROBE
```
    See Also:
    
    Constant Field Values
  - DEFAULT_INITIAL_CAPACITY
```
private static final int DEFAULT_INITIAL_CAPACITY
```
    See Also:
    
    Constant Field Values
  - keysValues
```
private double[] keysValues
```
  - occupiedWithData
```
private int occupiedWithData
```
  - occupiedWithSentinels
```
private int occupiedWithSentinels
```
  - sentinelValues
```
private AbstractMutableDoubleValuesMap.SentinelValues sentinelValues
```
  - copyKeysOnWrite
```
private boolean copyKeysOnWrite
```
- Constructor Detail
  - DoubleDoubleHashMap
```
public DoubleDoubleHashMap()
```
  - DoubleDoubleHashMap
```
public DoubleDoubleHashMap(int initialCapacity)
```
  - DoubleDoubleHashMap
```
public DoubleDoubleHashMap(DoubleDoubleMap map)
```
- Method Detail
  - newWithKeysValues
```
public static DoubleDoubleHashMap newWithKeysValues(double key1,
                                                    double value1)
```
  - newWithKeysValues
```
public static DoubleDoubleHashMap newWithKeysValues(double key1,
                                                    double value1,
                                                    double key2,
                                                    double value2)
```
  - newWithKeysValues
```
public static DoubleDoubleHashMap newWithKeysValues(double key1,
                                                    double value1,
                                                    double key2,
                                                    double value2,
                                                    double key3,
                                                    double value3)
```
  - newWithKeysValues
```
public static DoubleDoubleHashMap newWithKeysValues(double key1,
                                                    double value1,
                                                    double key2,
                                                    double value2,
                                                    double key3,
                                                    double value3,
                                                    double key4,
                                                    double value4)
```
  - smallestPowerOfTwoGreaterThan
```
private int smallestPowerOfTwoGreaterThan(int n)
```
  - getOccupiedWithData
```
protected int getOccupiedWithData()
```
    Specified by:
    
    getOccupiedWithData in class AbstractMutableDoubleValuesMap
  - getSentinelValues
```
protected AbstractMutableDoubleValuesMap.SentinelValues getSentinelValues()
```
    Specified by:
    
    getSentinelValues in class AbstractMutableDoubleValuesMap
  - setSentinelValuesNull
```
protected void setSentinelValuesNull()
```
    Specified by:
    
    setSentinelValuesNull in class AbstractMutableDoubleValuesMap
  - getEmptyValue
```
protected double getEmptyValue()
```
    Specified by:
    
    getEmptyValue in class AbstractMutableDoubleValuesMap
  - getTableSize
```
protected int getTableSize()
```
    Specified by:
    
    getTableSize in class AbstractMutableDoubleValuesMap
  - getValueAtIndex
```
protected double getValueAtIndex(int index)
```
    Specified by:
    
    getValueAtIndex in class AbstractMutableDoubleValuesMap
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Description copied from interface: DoubleDoubleMap
    
    Follows the same general contract as Map.equals(Object).
    
    Specified by:
    
    equals in interface DoubleDoubleMap
    
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Description copied from interface: DoubleDoubleMap
    
    Follows the same general contract as Map.hashCode().
    
    Specified by:
    
    hashCode in interface DoubleDoubleMap
    
    Overrides:
    
    hashCode in class java.lang.Object
  - 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 interface DoubleDoubleMap
    
    Specified by:
    
    toString in interface PrimitiveIterable
    
    Overrides:
    
    toString in class AbstractDoubleIterable
    
    Returns:
    
    a string representation of this PrimitiveIterable
    
    See Also:
    
    AbstractCollection.toString()
  - 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 interface DoubleIterable
    
    Specified by:
    
    doubleIterator in interface MutableDoubleValuesMap
  - injectInto
```
public <V> V injectInto(V injectedValue,
                        ObjectDoubleToObjectFunction<? super V,? extends V> function)
```
    Specified by:
    
    injectInto in interface DoubleIterable
  - clear
```
public void clear()
```
    Description copied from interface: MutableDoubleValuesMap
    
    Removes all entries from this map.
    
    Specified by:
    
    clear in interface MutableDoubleKeysMap
    
    Specified by:
    
    clear in interface MutableDoubleValuesMap
  - put
```
public void put(double key,
                double value)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced with value.
    
    Specified by:
    
    put in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    value - the value to associate with value
  - putForRemovedSentinel
```
private void putForRemovedSentinel(double value)
```
  - putForEmptySentinel
```
private void putForEmptySentinel(double value)
```
  - putAll
```
public void putAll(DoubleDoubleMap map)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 in map.
    
    Specified by:
    
    putAll in interface MutableDoubleDoubleMap
    
    Parameters:
    
    map - the map to copy into this map
  - updateValues
```
public void updateValues(DoubleDoubleToDoubleFunction function)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Updates the values in-place.
    
    Specified by:
    
    updateValues in interface MutableDoubleDoubleMap
    
    Parameters:
    
    function - that takes a key and its value and that returns a new value for this key
  - removeKey
```
public void removeKey(double key)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Removes the mapping associated with the key, if one exists, from the map.
    
    Specified by:
    
    removeKey in interface MutableDoubleDoubleMap
    
    Specified by:
    
    removeKey in interface MutableDoubleKeysMap
    
    Parameters:
    
    key - the key to remove
    
    See Also:
    
    MutableDoubleDoubleMap.remove(double)
  - remove
```
public void remove(double key)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Removes the mapping associated with the key, if one exists, from the map.
    
    Specified by:
    
    remove in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key to remove
    
    See Also:
    
    MutableDoubleDoubleMap.removeKey(double)
  - removeKeyIfAbsent
```
public double removeKeyIfAbsent(double key,
                                double value)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key to remove
    
    value - 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
  - getIfAbsentPut
```
public double getIfAbsentPut(double key,
                             double value)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.
    
    Specified by:
    
    getIfAbsentPut in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    value - the value to associate with key if no such mapping exists
    
    Returns:
    
    the value associated with key, if one exists, or value if not
  - getAndPut
```
public double getAndPut(double key,
                        double putValue,
                        double defaultValue)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Retrieves the value associated with the key if one exists; associates a putValue with the key.
    
    Specified by:
    
    getAndPut in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    putValue - the value to associate with key if no such mapping exists
    
    defaultValue - the value to return if no mapping associated with key exists
    
    Returns:
    
    the value associated with key, if one exists, or defaultValue if not
  - getIfAbsentPut
```
public double getIfAbsentPut(double key,
                             DoubleFunction0 function)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    function - the supplier that provides the value if no mapping exists for key
    
    Returns:
    
    the value associated with the key, if one exists, or the result of invoking function if not
  - getIfAbsentPutWith
```
public <P> double getIfAbsentPutWith(double key,
                                     DoubleFunction<? super P> function,
                                     P parameter)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Type Parameters:
    
    P - the type of the value function's parameter
    
    Parameters:
    
    key - the key
    
    function - the function that provides the value if no mapping exists. The specified parameter will be passed as the argument to the function.
    
    parameter - the parameter to provide to function if no value exists for key
    
    Returns:
    
    the value associated with the key, if one exists, or the result of invoking function with parameter if not
  - getIfAbsentPutWithKey
```
public double getIfAbsentPutWithKey(double key,
                                    DoubleToDoubleFunction function)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    function - the function that provides the value if no mapping exists. The key 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 with key if not
  - addToValue
```
public double addToValue(double key,
                         double toBeAdded)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    toBeAdded - 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 with key or toBeAdded if one does not
  - addKeyValueAtIndex
```
private void addKeyValueAtIndex(double key,
                                double value,
                                int index)
```
  - removeKeyAtIndex
```
private void removeKeyAtIndex(int index)
```
  - copyKeys
```
private void copyKeys()
```
  - updateValue
```
public double updateValue(double key,
                          double initialValueIfAbsent,
                          DoubleToDoubleFunction function)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    initialValueIfAbsent - the initial value to supply to the function if no mapping exists for the key
    
    function - 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 to initialValueIfAbsent and associating the result with key
  - withKeyValue
```
public DoubleDoubleHashMap withKeyValue(double key1,
                                        double value1)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced with value.
    
    Specified by:
    
    withKeyValue in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key1 - the key
    
    value1 - the value to associate with value
    
    Returns:
    
    this map
    
    See Also:
    
    MutableDoubleDoubleMap.put(double, double)
  - withKeysValues
```
public DoubleDoubleHashMap withKeysValues(double key1,
                                          double value1,
                                          double key2,
                                          double value2)
```
  - withKeysValues
```
public DoubleDoubleHashMap withKeysValues(double key1,
                                          double value1,
                                          double key2,
                                          double value2,
                                          double key3,
                                          double value3)
```
  - withKeysValues
```
public DoubleDoubleHashMap withKeysValues(double key1,
                                          double value1,
                                          double key2,
                                          double value2,
                                          double key3,
                                          double value3,
                                          double key4,
                                          double value4)
```
  - withoutKey
```
public DoubleDoubleHashMap withoutKey(double key)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Removes the mapping associated with the key, if one exists, from this map.
    
    Specified by:
    
    withoutKey in interface MutableDoubleDoubleMap
    
    Parameters:
    
    key - the key to remove
    
    Returns:
    
    this map
    
    See Also:
    
    MutableDoubleDoubleMap.remove(double)
  - withoutAllKeys
```
public DoubleDoubleHashMap withoutAllKeys(DoubleIterable keys)
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Removes the mappings associated with all the keys, if they exist, from this map.
    
    Specified by:
    
    withoutAllKeys in interface MutableDoubleDoubleMap
    
    Parameters:
    
    keys - the keys to remove
    
    Returns:
    
    this map
    
    See Also:
    
    MutableDoubleDoubleMap.remove(double)
  - asUnmodifiable
```
public MutableDoubleDoubleMap asUnmodifiable()
```
    Description copied from interface: MutableDoubleDoubleMap
    
    Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing an UnsupportedOperationException for all mutating operations. This avoids the overhead of copying the map when calling DoubleDoubleMap.toImmutable() while still providing immutability.
    
    Specified by:
    
    asUnmodifiable in interface MutableDoubleDoubleMap
    
    Returns:
    
    an unmodifiable view of this map
  - asSynchronized
```
public MutableDoubleDoubleMap asSynchronized()
```
    Description copied from interface: MutableDoubleDoubleMap
    
    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 interface MutableDoubleDoubleMap
    
    Returns:
    
    a synchronized view of this map
  - toImmutable
```
public ImmutableDoubleDoubleMap toImmutable()
```
    Description copied from interface: DoubleDoubleMap
    
    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 interface DoubleDoubleMap
    
    Returns:
    
    an immutable map that is equivalent to this one
  - get
```
public double get(double key)
```
    Description copied from interface: DoubleDoubleMap
    
    Retrieves the value associated with the key. If no mapping exists for the key, the default value (usually 0) is returned.
    
    Specified by:
    
    get in interface DoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    the value associated with the key, or the default value if no such mapping exists
  - getIfAbsent
```
public double getIfAbsent(double key,
                          double ifAbsent)
```
    Description copied from interface: DoubleDoubleMap
    
    Retrieves the value associated with the key, returning the specified default value if no such mapping exists.
    
    Specified by:
    
    getIfAbsent in interface DoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    ifAbsent - the default value to return if no mapping exists for key
    
    Returns:
    
    the value associated with the key, or ifAbsent if no such mapping exists.
  - getForSentinel
```
private double getForSentinel(double key,
                              double ifAbsent)
```
  - slowGetIfAbsent
```
private double slowGetIfAbsent(double key,
                               double ifAbsent)
```
  - fastGetIfAbsent
```
private double fastGetIfAbsent(double key,
                               double ifAbsent)
```
  - slowGetIfAbsentTwo
```
private double slowGetIfAbsentTwo(double key,
                                  double ifAbsent)
```
  - getOrThrow
```
public double getOrThrow(double key)
```
    Description copied from interface: DoubleDoubleMap
    
    Retrieves the value associated with the key, throwing an IllegalStateException if no such mapping exists.
    
    Specified by:
    
    getOrThrow in interface DoubleDoubleMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    the value associated with the key
  - containsKey
```
public boolean containsKey(double key)
```
    Description copied from interface: DoubleDoubleMap
    
    Returns whether or not the key is present in the map.
    
    Specified by:
    
    containsKey in interface DoubleDoubleMap
    
    Specified by:
    
    containsKey in interface DoubleKeysMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    if a mapping exists in this map for the key
  - forEachKey
```
public void forEachKey(DoubleProcedure procedure)
```
    Description copied from interface: DoubleDoubleMap
    
    Iterates through each key in the map, invoking the procedure for each.
    
    Specified by:
    
    forEachKey in interface DoubleDoubleMap
    
    Specified by:
    
    forEachKey in interface DoubleKeysMap
    
    Parameters:
    
    procedure - the procedure to invoke for each key
  - forEachKeyValue
```
public void forEachKeyValue(DoubleDoubleProcedure procedure)
```
    Description copied from interface: DoubleDoubleMap
    
    Iterates through each key/value pair in the map, invoking the procedure for each.
    
    Specified by:
    
    forEachKeyValue in interface DoubleDoubleMap
    
    Parameters:
    
    procedure - the procedure to invoke for each key/value pair
  - allSatisfyKeyValue
```
public boolean allSatisfyKeyValue(DoubleDoublePredicate predicate)
```
    Specified by:
    
    allSatisfyKeyValue in interface DoubleDoubleMap
    
    Since:
    
    12.0
  - keysView
```
public LazyDoubleIterable keysView()
```
    Description copied from interface: DoubleDoubleMap
    
    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 interface DoubleDoubleMap
    
    Returns:
    
    a view of the keys in this map
  - keyValuesView
```
public RichIterable<DoubleDoublePair> keyValuesView()
```
    Description copied from interface: DoubleDoubleMap
    
    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 interface DoubleDoubleMap
    
    Returns:
    
    a view of the keys in this map
  - flipUniqueValues
```
public MutableDoubleDoubleMap flipUniqueValues()
```
    Description copied from interface: DoubleDoubleMap
    
    Return the DoubleDoubleMap that is obtained by flipping the direction of this map and making the associations from value to key.
    
    Specified by:
    
    flipUniqueValues in interface DoubleDoubleMap
    
    Specified by:
    
    flipUniqueValues in interface MutableDoubleDoubleMap
  - select
```
public DoubleDoubleHashMap select(DoubleDoublePredicate predicate)
```
    Description copied from interface: DoubleDoubleMap
    
    Return a copy of this map containing only the key/value pairs that match the predicate.
    
    Specified by:
    
    select in interface DoubleDoubleMap
    
    Specified by:
    
    select in interface MutableDoubleDoubleMap
    
    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
  - reject
```
public DoubleDoubleHashMap reject(DoubleDoublePredicate predicate)
```
    Description copied from interface: DoubleDoubleMap
    
    Return a copy of this map containing only the key/value pairs that do not match the predicate.
    
    Specified by:
    
    reject in interface DoubleDoubleMap
    
    Specified by:
    
    reject in interface MutableDoubleDoubleMap
    
    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
  - writeExternal
```
public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException
```
    Specified by:
    
    writeExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
  - readExternal
```
public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
```
    Specified by:
    
    readExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
    
    java.lang.ClassNotFoundException
  - trimToSize
```
public boolean trimToSize()
```
    Since:
    
    12.0
  - compact
```
@Deprecated
public void compact()
```
    Deprecated.
    since 12.0 - Use trimToSize() instead
    
    Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels.
  - rehashAndGrow
```
private void rehashAndGrow()
```
  - rehash
```
private void rehash(int newCapacity)
```
  - probe
```
int probe(double element)
```
  - probeTwo
```
int probeTwo(double element,
             int removedIndex)
```
  - probeThree
```
int probeThree(double element,
               int removedIndex)
```
  - spreadAndMask
```
int spreadAndMask(double element)
```
  - spreadTwoAndMask
```
int spreadTwoAndMask(double element)
```
  - mask
```
private int mask(int spread)
```
  - allocateTable
```
protected void allocateTable(int sizeToAllocate)
```
  - isEmptyKey
```
private static boolean isEmptyKey(double key)
```
  - isRemovedKey
```
private static boolean isRemovedKey(double key)
```
  - isNonSentinel
```
private static boolean isNonSentinel(double key)
```
  - isNonSentinelAtIndex
```
protected boolean isNonSentinelAtIndex(int index)
```
    Specified by:
    
    isNonSentinelAtIndex in class AbstractMutableDoubleValuesMap
  - maxOccupiedWithData
```
private int maxOccupiedWithData()
```
  - keySet
```
public MutableDoubleSet keySet()
```
    Description copied from interface: DoubleDoubleMap
    
    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 interface DoubleDoubleMap
    
    Returns:
    
    a mutable set containing the keys in this map
  - 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 interface DoubleValuesMap
    
    Returns:
    
    the values as a collection backed by this map

Constructor	Description
`DoubleDoubleHashMap()`
`DoubleDoubleHashMap(int initialCapacity)`
`DoubleDoubleHashMap(DoubleDoubleMap map)`

Class DoubleDoubleHashMap

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableDoubleValuesMap

Methods inherited from class org.eclipse.collections.impl.primitive.AbstractDoubleIterable

Methods inherited from class java.lang.Object

Methods inherited from interface org.eclipse.collections.api.map.primitive.DoubleDoubleMap

Methods inherited from interface org.eclipse.collections.api.DoubleIterable

Methods inherited from interface org.eclipse.collections.impl.map.primitive.DoubleKeysMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.DoubleValuesMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableDoubleDoubleMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableDoubleValuesMap

Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable

Field Detail

EMPTY_VALUE

serialVersionUID

EMPTY_KEY

REMOVED_KEY

CACHE_LINE_SIZE

KEY_SIZE

INITIAL_LINEAR_PROBE

DEFAULT_INITIAL_CAPACITY

keysValues

occupiedWithData

occupiedWithSentinels

sentinelValues

copyKeysOnWrite

Constructor Detail

DoubleDoubleHashMap

DoubleDoubleHashMap

DoubleDoubleHashMap

Method Detail

newWithKeysValues

newWithKeysValues

newWithKeysValues

newWithKeysValues

smallestPowerOfTwoGreaterThan

getOccupiedWithData

getSentinelValues

setSentinelValuesNull

getEmptyValue

getTableSize

getValueAtIndex

equals

hashCode

toString

doubleIterator

injectInto

clear

put

putForRemovedSentinel

putForEmptySentinel

putAll

updateValues

removeKey

remove

removeKeyIfAbsent

getIfAbsentPut

getAndPut

getIfAbsentPut

getIfAbsentPutWith

getIfAbsentPutWithKey

addToValue

addKeyValueAtIndex

removeKeyAtIndex

copyKeys

updateValue

withKeyValue

withKeysValues

withKeysValues

withKeysValues

withoutKey

withoutAllKeys

asUnmodifiable

asSynchronized

toImmutable

get