Class ObjectDoubleHashMapWithHashingStrategy<K>

    • Field Detail

      • DEFAULT_INITIAL_CAPACITY

        private static final int DEFAULT_INITIAL_CAPACITY
        See Also:
        Constant Field Values
      • NULL_KEY

        private static final java.lang.Object NULL_KEY
      • REMOVED_KEY

        private static final java.lang.Object REMOVED_KEY
      • keys

        private java.lang.Object[] keys
      • values

        private double[] values
      • occupiedWithData

        private int occupiedWithData
      • occupiedWithSentinels

        private int occupiedWithSentinels
    • Constructor Detail

      • ObjectDoubleHashMapWithHashingStrategy

        @Deprecated
        public ObjectDoubleHashMapWithHashingStrategy()
        Deprecated.
        Use ObjectDoubleHashMapWithHashingStrategy(HashingStrategy) instead.
      • ObjectDoubleHashMapWithHashingStrategy

        public ObjectDoubleHashMapWithHashingStrategy​(HashingStrategy<? super K> hashingStrategy)
      • ObjectDoubleHashMapWithHashingStrategy

        public ObjectDoubleHashMapWithHashingStrategy​(HashingStrategy<? super K> hashingStrategy,
                                                      int initialCapacity)
      • ObjectDoubleHashMapWithHashingStrategy

        public ObjectDoubleHashMapWithHashingStrategy​(HashingStrategy<? super K> hashingStrategy,
                                                      ObjectDoubleMap<? extends K> map)
    • Method Detail

      • smallestPowerOfTwoGreaterThan

        private int smallestPowerOfTwoGreaterThan​(int n)
      • fastCeil

        private int fastCeil​(float v)
      • equals

        public boolean equals​(java.lang.Object obj)
        Overrides:
        equals in class java.lang.Object
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object
      • toString

        public java.lang.String toString()
        Description copied from interface: ObjectDoubleMap
        Follows the same general contract as AbstractMap.toString()
        Specified by:
        toString in interface ObjectDoubleMap<K>
        Specified by:
        toString in interface PrimitiveIterable
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string representation of this ObjectDoubleMap
        See Also:
        AbstractCollection.toString()
      • makeString

        public java.lang.String makeString()
        Description copied from interface: PrimitiveIterable
        Returns a string representation of this collection by delegating to PrimitiveIterable.makeString(String) and defaulting the separator parameter to the characters ", " (comma and space).
        Specified by:
        makeString in interface PrimitiveIterable
        Returns:
        a string representation of this collection.
      • makeString

        public java.lang.String makeString​(java.lang.String start,
                                           java.lang.String separator,
                                           java.lang.String end)
        Description copied from interface: PrimitiveIterable
        Returns a string representation of this collection with the elements separated by the specified separator and enclosed between the start and end strings.
        Specified by:
        makeString in interface PrimitiveIterable
        Returns:
        a string representation of this collection.
      • toArray

        public double[] toArray()
        Description copied from interface: DoubleIterable
        Converts the DoubleIterable to a primitive double array.
        Specified by:
        toArray in interface DoubleIterable
      • toArray

        public double[] toArray​(double[] target)
        Description copied from interface: DoubleIterable
        Converts the DoubleIterable to a primitive double array. If the collection fits into the provided array it is used to store its elements and is returned from the method, otherwise a new array of the appropriate size is allocated and returned. If the iterable is empty, the target array is returned unchanged.
        Specified by:
        toArray in interface DoubleIterable
      • contains

        public boolean contains​(double value)
        Description copied from interface: DoubleIterable
        Returns true if the value is contained in the DoubleIterable, and false if it is not.
        Specified by:
        contains in interface DoubleIterable
      • containsAll

        public boolean containsAll​(double... source)
        Description copied from interface: DoubleIterable
        Returns true if all of the values specified in the source array are contained in the DoubleIterable, and false if they are not.
        Specified by:
        containsAll in interface DoubleIterable
      • containsAll

        public boolean containsAll​(DoubleIterable source)
        Description copied from interface: DoubleIterable
        Returns true if all of the values specified in the source DoubleIterable are contained in the DoubleIterable, and false if they are not.
        Specified by:
        containsAll in interface DoubleIterable
      • put

        public void put​(K key,
                        double value)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        Parameters:
        key - the key
        value - the value to associate with value
      • putAll

        public void putAll​(ObjectDoubleMap<? extends K> map)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        Parameters:
        map - the map to copy into this map
      • removeKeyAtIndex

        public void removeKeyAtIndex​(K key,
                                     int index)
      • remove

        public void remove​(java.lang.Object key)
        Description copied from interface: MutableObjectDoubleMap
        Removes the mapping associated with the key, if one exists, from the map.
        Specified by:
        remove in interface MutableObjectDoubleMap<K>
        Parameters:
        key - the key to remove
        See Also:
        #removeKey(K)
      • removeKeyIfAbsent

        public double removeKeyIfAbsent​(K key,
                                        double value)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        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​(K key,
                                     double value)
        Description copied from interface: MutableObjectDoubleMap
        Retrieves the value associated with the key if one exists; if it does not, associates a value with the key. a new value with they key
        Specified by:
        getIfAbsentPut in interface MutableObjectDoubleMap<K>
        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​(K key,
                                double putValue,
                                double defaultValue)
        Description copied from interface: MutableObjectDoubleMap
        Retrieves the value associated with the key if one exists; if it does not, associates a putValue with the key.
        Specified by:
        getAndPut in interface MutableObjectDoubleMap<K>
        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​(K key,
                                     DoubleFunction0 function)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        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​(K key,
                                             DoubleFunction<? super P> function,
                                             P parameter)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        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​(K key,
                                            DoubleFunction<? super K> function)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        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
      • updateValue

        public double updateValue​(K key,
                                  double initialValueIfAbsent,
                                  DoubleToDoubleFunction function)
        Description copied from interface: MutableObjectDoubleMap
        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 MutableObjectDoubleMap<K>
        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
      • addKeyValueAtIndex

        private void addKeyValueAtIndex​(K key,
                                        double value,
                                        int index)
      • toImmutable

        public ImmutableObjectDoubleMap<K> toImmutable()
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Returns:
        an immutable map that is equivalent to this one
      • get

        public double get​(java.lang.Object key)
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Parameters:
        key - the key
        Returns:
        the value associated with the key, or the default value if no such mapping exists
      • getOrThrow

        public double getOrThrow​(java.lang.Object key)
        Description copied from interface: ObjectDoubleMap
        Retrieves the value associated with the key, throwing an IllegalStateException if no such mapping exists.
        Specified by:
        getOrThrow in interface ObjectDoubleMap<K>
        Parameters:
        key - the key
        Returns:
        the value associated with the key
      • getIfAbsent

        public double getIfAbsent​(java.lang.Object key,
                                  double ifAbsent)
        Description copied from interface: ObjectDoubleMap
        Retrieves the value associated with the key, returning the specified default value if no such mapping exists.
        Specified by:
        getIfAbsent in interface ObjectDoubleMap<K>
        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.
      • containsKey

        public boolean containsKey​(java.lang.Object key)
        Description copied from interface: ObjectDoubleMap
        Returns whether or not the key is present in the map.
        Specified by:
        containsKey in interface ObjectDoubleMap<K>
        Parameters:
        key - the key
        Returns:
        if a mapping exists in this map for the key
      • containsValue

        public boolean containsValue​(double value)
        Description copied from interface: ObjectDoubleMap
        Returns whether or not this map contains the value.
        Specified by:
        containsValue in interface ObjectDoubleMap<K>
        Parameters:
        value - the value to test
        Returns:
        if this collection contains the value
      • forEachValue

        public void forEachValue​(DoubleProcedure procedure)
        Description copied from interface: ObjectDoubleMap
        Iterates through each value in this map.
        Specified by:
        forEachValue in interface ObjectDoubleMap<K>
        Parameters:
        procedure - the procedure to invoke for each value in this map.
      • forEachKey

        public void forEachKey​(Procedure<? super K> procedure)
        Description copied from interface: ObjectDoubleMap
        Iterates through each key in the map, invoking the procedure for each.
        Specified by:
        forEachKey in interface ObjectDoubleMap<K>
        Parameters:
        procedure - the procedure to invoke for each key
      • forEachKeyValue

        public void forEachKeyValue​(ObjectDoubleProcedure<? super K> procedure)
        Description copied from interface: ObjectDoubleMap
        Iterates through each key/value pair in the map, invoking the procedure for each.
        Specified by:
        forEachKeyValue in interface ObjectDoubleMap<K>
        Parameters:
        procedure - the procedure to invoke for each key/value pair
      • count

        public int count​(DoublePredicate predicate)
        Description copied from interface: DoubleIterable
        Returns a count of the number of elements in the DoubleIterable that return true for the specified predicate.
        Specified by:
        count in interface DoubleIterable
      • anySatisfy

        public boolean anySatisfy​(DoublePredicate predicate)
        Description copied from interface: DoubleIterable
        Returns true if any of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
        Specified by:
        anySatisfy in interface DoubleIterable
      • allSatisfy

        public boolean allSatisfy​(DoublePredicate predicate)
        Description copied from interface: DoubleIterable
        Returns true if all of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
        Specified by:
        allSatisfy in interface DoubleIterable
      • noneSatisfy

        public boolean noneSatisfy​(DoublePredicate predicate)
        Description copied from interface: DoubleIterable
        Returns true if none of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
        Specified by:
        noneSatisfy in interface DoubleIterable
      • chunk

        public RichIterable<DoubleIterable> chunk​(int size)
        Description copied from interface: DoubleIterable
        Partitions elements in fixed size chunks.
        Specified by:
        chunk in interface DoubleIterable
        Parameters:
        size - the number of elements per chunk
        Returns:
        A RichIterable containing DoubleIterables of size size, except the last will be truncated if the elements don't divide evenly.
      • 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
      • keysView

        public LazyIterable<K> keysView()
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Returns:
        a view of the keys in this map
      • keyValuesView

        public RichIterable<ObjectDoublePair<K>> keyValuesView()
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Returns:
        a view of the keys in this map
      • compact

        public void compact()
        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​(java.lang.Object element)
      • spread

        int spread​(java.lang.Object element)
      • nullSafeEquals

        private boolean nullSafeEquals​(K value,
                                       java.lang.Object other)
      • allocateTable

        protected void allocateTable​(int sizeToAllocate)
      • isRemovedKey

        private static boolean isRemovedKey​(java.lang.Object key)
      • isNonSentinel

        private static <K> boolean isNonSentinel​(K key)
      • toNonSentinel

        private K toNonSentinel​(java.lang.Object key)
      • toSentinelIfNull

        private static java.lang.Object toSentinelIfNull​(java.lang.Object key)
      • maxOccupiedWithData

        private int maxOccupiedWithData()
      • keySet

        public java.util.Set<K> keySet()
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Returns:
        a mutable set containing the keys in this map
      • values

        public MutableDoubleCollection values()
        Description copied from interface: ObjectDoubleMap
        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 ObjectDoubleMap<K>
        Returns:
        the values as a collection backed by this map