Class ShortByteHashMap
- java.lang.Object
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- org.eclipse.collections.impl.primitive.AbstractByteIterable
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- org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableByteValuesMap
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- org.eclipse.collections.impl.map.mutable.primitive.ShortByteHashMap
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- All Implemented Interfaces:
java.io.Externalizable
,java.io.Serializable
,ByteIterable
,ByteValuesMap
,MutableByteValuesMap
,MutableShortByteMap
,ShortByteMap
,PrimitiveIterable
,MutableShortKeysMap
,ShortKeysMap
public class ShortByteHashMap extends AbstractMutableByteValuesMap implements MutableShortByteMap, java.io.Externalizable, MutableShortKeysMap
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
ShortByteHashMap.InternalByteIterator
private class
ShortByteHashMap.KeySet
private class
ShortByteHashMap.KeySetIterator
private class
ShortByteHashMap.KeysView
private class
ShortByteHashMap.KeyValuesView
private class
ShortByteHashMap.ValuesCollection
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Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableByteValuesMap
AbstractMutableByteValuesMap.AbstractByteValuesCollection, AbstractMutableByteValuesMap.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 short
EMPTY_KEY
private static byte
EMPTY_VALUE
private static int
INITIAL_LINEAR_PROBE
private static int
KEY_SIZE
private short[]
keys
private int
occupiedWithData
private int
occupiedWithSentinels
private static short
REMOVED_KEY
private AbstractMutableByteValuesMap.SentinelValues
sentinelValues
private static long
serialVersionUID
private byte[]
values
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Constructor Summary
Constructors Constructor Description ShortByteHashMap()
ShortByteHashMap(int initialCapacity)
ShortByteHashMap(ShortByteMap map)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
addKeyValueAtIndex(short key, byte value, int index)
byte
addToValue(short key, byte 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)
MutableShortByteMap
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.MutableShortByteMap
asUnmodifiable()
Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing anUnsupportedOperationException
for all mutating operations.MutableByteIterator
byteIterator()
Returns a primitive iterator that can be used to iterate over the ByteIterable in an imperative style.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(short key)
Returns whether or not the key is present in the map.private void
copyKeys()
boolean
equals(java.lang.Object obj)
Follows the same general contract asMap.equals(Object)
.private byte
fastGetIfAbsent(short key, byte ifAbsent)
MutableByteShortMap
flipUniqueValues()
Return the ByteShortMap that is obtained by flipping the direction of this map and making the associations from value to key.void
forEachKey(ShortProcedure procedure)
Iterates through each key in the map, invoking the procedure for each.void
forEachKeyValue(ShortByteProcedure procedure)
Iterates through each key/value pair in the map, invoking the procedure for each.byte
get(short key)
Retrieves the value associated with the key.byte
getAndPut(short key, byte putValue, byte defaultValue)
Retrieves the value associated with the key if one exists; associates a putValue with the key.protected byte
getEmptyValue()
private byte
getForSentinel(short key, byte ifAbsent)
byte
getIfAbsent(short key, byte ifAbsent)
Retrieves the value associated with the key, returning the specified default value if no such mapping exists.byte
getIfAbsentPut(short key, byte value)
Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.byte
getIfAbsentPut(short key, ByteFunction0 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> byte
getIfAbsentPutWith(short key, ByteFunction<? 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.byte
getIfAbsentPutWithKey(short key, ShortToByteFunction 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()
byte
getOrThrow(short key)
Retrieves the value associated with the key, throwing anIllegalStateException
if no such mapping exists.protected AbstractMutableByteValuesMap.SentinelValues
getSentinelValues()
protected int
getTableSize()
protected byte
getValueAtIndex(int index)
int
hashCode()
Follows the same general contract asMap.hashCode()
.<V> V
injectInto(V injectedValue, ObjectByteToObjectFunction<? super V,? extends V> function)
private static boolean
isEmptyKey(short key)
private static boolean
isNonSentinel(short key)
protected boolean
isNonSentinelAtIndex(int index)
private static boolean
isRemovedKey(short key)
MutableShortSet
keySet()
Returns a set containing all the keys in this map.LazyShortIterable
keysView()
Returns a view of the keys in this map.RichIterable<ShortBytePair>
keyValuesView()
Returns a view of the key/value pairs in this map.private int
mask(int spread)
private int
maxOccupiedWithData()
static ShortByteHashMap
newWithKeysValues(short key1, byte value1)
static ShortByteHashMap
newWithKeysValues(short key1, byte value1, short key2, byte value2)
static ShortByteHashMap
newWithKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3)
static ShortByteHashMap
newWithKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3, short key4, byte value4)
(package private) int
probe(short element)
(package private) int
probeThree(short element, int removedIndex)
(package private) int
probeTwo(short element, int removedIndex)
void
put(short key, byte value)
Associates a value with the specified key.void
putAll(ShortByteMap map)
Puts all of the key/value mappings from the specified map into this map.private void
putForEmptySentinel(byte value)
private void
putForRemovedSentinel(byte value)
void
readExternal(java.io.ObjectInput in)
private void
rehash(int newCapacity)
private void
rehashAndGrow()
ShortByteHashMap
reject(ShortBytePredicate predicate)
Return a copy of this map containing only the key/value pairs that do not match the predicate.void
remove(short key)
Removes the mapping associated with the key, if one exists, from the map.void
removeKey(short key)
Removes the mapping associated with the key, if one exists, from the map.private void
removeKeyAtIndex(int index)
byte
removeKeyIfAbsent(short key, byte value)
Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key.ShortByteHashMap
select(ShortBytePredicate predicate)
Return a copy of this map containing only the key/value pairs that match the predicate.protected void
setSentinelValuesNull()
private byte
slowGetIfAbsent(short key, byte ifAbsent)
private byte
slowGetIfAbsentTwo(short key, byte ifAbsent)
private int
smallestPowerOfTwoGreaterThan(int n)
(package private) int
spreadAndMask(short element)
(package private) int
spreadTwoAndMask(short element)
ImmutableShortByteMap
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.byte
updateValue(short key, byte initialValueIfAbsent, ByteToByteFunction 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(ShortByteToByteFunction function)
Updates the values in-place.MutableByteCollection
values()
Returns the values in this map as a separate collection.ShortByteHashMap
withKeysValues(short key1, byte value1, short key2, byte value2)
ShortByteHashMap
withKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3)
ShortByteHashMap
withKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3, short key4, byte value4)
ShortByteHashMap
withKeyValue(short key1, byte value1)
Associates a value with the specified key.ShortByteHashMap
withoutAllKeys(ShortIterable keys)
Removes the mappings associated with all the keys, if they exist, from this map.ShortByteHashMap
withoutKey(short 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.AbstractMutableByteValuesMap
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.AbstractByteIterable
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.ByteIterable
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.ByteValuesMap
containsValue, forEachValue, tap
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Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableByteValuesMap
collect, reject, select
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Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableShortByteMap
putPair, withAllKeyValues
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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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Methods inherited from interface org.eclipse.collections.api.map.primitive.ShortByteMap
injectIntoKeyValue
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Methods inherited from interface org.eclipse.collections.impl.map.primitive.ShortKeysMap
isEmpty, notEmpty, size
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Field Detail
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EMPTY_VALUE
private static final byte 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 short EMPTY_KEY
- See Also:
- Constant Field Values
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REMOVED_KEY
private static final short 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 short[] keys
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values
private byte[] values
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occupiedWithData
private int occupiedWithData
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occupiedWithSentinels
private int occupiedWithSentinels
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sentinelValues
private AbstractMutableByteValuesMap.SentinelValues sentinelValues
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copyKeysOnWrite
private boolean copyKeysOnWrite
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Constructor Detail
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ShortByteHashMap
public ShortByteHashMap()
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ShortByteHashMap
public ShortByteHashMap(int initialCapacity)
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ShortByteHashMap
public ShortByteHashMap(ShortByteMap map)
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Method Detail
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newWithKeysValues
public static ShortByteHashMap newWithKeysValues(short key1, byte value1)
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newWithKeysValues
public static ShortByteHashMap newWithKeysValues(short key1, byte value1, short key2, byte value2)
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newWithKeysValues
public static ShortByteHashMap newWithKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3)
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newWithKeysValues
public static ShortByteHashMap newWithKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3, short key4, byte value4)
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smallestPowerOfTwoGreaterThan
private int smallestPowerOfTwoGreaterThan(int n)
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getOccupiedWithData
protected int getOccupiedWithData()
- Specified by:
getOccupiedWithData
in classAbstractMutableByteValuesMap
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getSentinelValues
protected AbstractMutableByteValuesMap.SentinelValues getSentinelValues()
- Specified by:
getSentinelValues
in classAbstractMutableByteValuesMap
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setSentinelValuesNull
protected void setSentinelValuesNull()
- Specified by:
setSentinelValuesNull
in classAbstractMutableByteValuesMap
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getEmptyValue
protected byte getEmptyValue()
- Specified by:
getEmptyValue
in classAbstractMutableByteValuesMap
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getTableSize
protected int getTableSize()
- Specified by:
getTableSize
in classAbstractMutableByteValuesMap
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getValueAtIndex
protected byte getValueAtIndex(int index)
- Specified by:
getValueAtIndex
in classAbstractMutableByteValuesMap
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equals
public boolean equals(java.lang.Object obj)
Description copied from interface:ShortByteMap
Follows the same general contract asMap.equals(Object)
.- Specified by:
equals
in interfaceShortByteMap
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
Description copied from interface:ShortByteMap
Follows the same general contract asMap.hashCode()
.- Specified by:
hashCode
in interfaceShortByteMap
- 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 interfacePrimitiveIterable
- Specified by:
toString
in interfaceShortByteMap
- Overrides:
toString
in classAbstractByteIterable
- Returns:
- a string representation of this PrimitiveIterable
- See Also:
AbstractCollection.toString()
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byteIterator
public MutableByteIterator byteIterator()
Description copied from interface:ByteIterable
Returns a primitive iterator that can be used to iterate over the ByteIterable in an imperative style.- Specified by:
byteIterator
in interfaceByteIterable
- Specified by:
byteIterator
in interfaceMutableByteValuesMap
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injectInto
public <V> V injectInto(V injectedValue, ObjectByteToObjectFunction<? super V,? extends V> function)
- Specified by:
injectInto
in interfaceByteIterable
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clear
public void clear()
Description copied from interface:MutableByteValuesMap
Removes all entries from this map.- Specified by:
clear
in interfaceMutableByteValuesMap
- Specified by:
clear
in interfaceMutableShortKeysMap
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put
public void put(short key, byte value)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- Parameters:
key
- the keyvalue
- the value to associate withvalue
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putForRemovedSentinel
private void putForRemovedSentinel(byte value)
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putForEmptySentinel
private void putForEmptySentinel(byte value)
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putAll
public void putAll(ShortByteMap map)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- Parameters:
map
- the map to copy into this map
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updateValues
public void updateValues(ShortByteToByteFunction function)
Description copied from interface:MutableShortByteMap
Updates the values in-place.- Specified by:
updateValues
in interfaceMutableShortByteMap
- 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(short key)
Description copied from interface:MutableShortByteMap
Removes the mapping associated with the key, if one exists, from the map.- Specified by:
removeKey
in interfaceMutableShortByteMap
- Specified by:
removeKey
in interfaceMutableShortKeysMap
- Parameters:
key
- the key to remove- See Also:
MutableShortByteMap.remove(short)
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remove
public void remove(short key)
Description copied from interface:MutableShortByteMap
Removes the mapping associated with the key, if one exists, from the map.- Specified by:
remove
in interfaceMutableShortByteMap
- Parameters:
key
- the key to remove- See Also:
MutableShortByteMap.removeKey(short)
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removeKeyIfAbsent
public byte removeKeyIfAbsent(short key, byte value)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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 byte getIfAbsentPut(short key, byte value)
Description copied from interface:MutableShortByteMap
Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.- Specified by:
getIfAbsentPut
in interfaceMutableShortByteMap
- 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 byte getAndPut(short key, byte putValue, byte defaultValue)
Description copied from interface:MutableShortByteMap
Retrieves the value associated with the key if one exists; associates a putValue with the key.- Specified by:
getAndPut
in interfaceMutableShortByteMap
- 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 byte getIfAbsentPut(short key, ByteFunction0 function)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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> byte getIfAbsentPutWith(short key, ByteFunction<? super P> function, P parameter)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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 byte getIfAbsentPutWithKey(short key, ShortToByteFunction function)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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 byte addToValue(short key, byte toBeAdded)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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(short key, byte 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 byte updateValue(short key, byte initialValueIfAbsent, ByteToByteFunction function)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- 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 ShortByteHashMap withKeyValue(short key1, byte value1)
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- Parameters:
key1
- the keyvalue1
- the value to associate withvalue
- Returns:
- this map
- See Also:
MutableShortByteMap.put(short, byte)
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withKeysValues
public ShortByteHashMap withKeysValues(short key1, byte value1, short key2, byte value2)
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withKeysValues
public ShortByteHashMap withKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3)
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withKeysValues
public ShortByteHashMap withKeysValues(short key1, byte value1, short key2, byte value2, short key3, byte value3, short key4, byte value4)
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withoutKey
public ShortByteHashMap withoutKey(short key)
Description copied from interface:MutableShortByteMap
Removes the mapping associated with the key, if one exists, from this map.- Specified by:
withoutKey
in interfaceMutableShortByteMap
- Parameters:
key
- the key to remove- Returns:
- this map
- See Also:
MutableShortByteMap.remove(short)
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withoutAllKeys
public ShortByteHashMap withoutAllKeys(ShortIterable keys)
Description copied from interface:MutableShortByteMap
Removes the mappings associated with all the keys, if they exist, from this map.- Specified by:
withoutAllKeys
in interfaceMutableShortByteMap
- Parameters:
keys
- the keys to remove- Returns:
- this map
- See Also:
MutableShortByteMap.remove(short)
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asUnmodifiable
public MutableShortByteMap asUnmodifiable()
Description copied from interface:MutableShortByteMap
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 callingShortByteMap.toImmutable()
while still providing immutability.- Specified by:
asUnmodifiable
in interfaceMutableShortByteMap
- Returns:
- an unmodifiable view of this map
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asSynchronized
public MutableShortByteMap asSynchronized()
Description copied from interface:MutableShortByteMap
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 interfaceMutableShortByteMap
- Returns:
- a synchronized view of this map
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toImmutable
public ImmutableShortByteMap toImmutable()
Description copied from interface:ShortByteMap
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 interfaceShortByteMap
- Returns:
- an immutable map that is equivalent to this one
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get
public byte get(short key)
Description copied from interface:ShortByteMap
Retrieves the value associated with the key. If no mapping exists for the key, the default value (usually0
) is returned.- Specified by:
get
in interfaceShortByteMap
- 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 byte getIfAbsent(short key, byte ifAbsent)
Description copied from interface:ShortByteMap
Retrieves the value associated with the key, returning the specified default value if no such mapping exists.- Specified by:
getIfAbsent
in interfaceShortByteMap
- 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 byte getForSentinel(short key, byte ifAbsent)
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slowGetIfAbsent
private byte slowGetIfAbsent(short key, byte ifAbsent)
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fastGetIfAbsent
private byte fastGetIfAbsent(short key, byte ifAbsent)
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slowGetIfAbsentTwo
private byte slowGetIfAbsentTwo(short key, byte ifAbsent)
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getOrThrow
public byte getOrThrow(short key)
Description copied from interface:ShortByteMap
Retrieves the value associated with the key, throwing anIllegalStateException
if no such mapping exists.- Specified by:
getOrThrow
in interfaceShortByteMap
- Parameters:
key
- the key- Returns:
- the value associated with the key
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containsKey
public boolean containsKey(short key)
Description copied from interface:ShortByteMap
Returns whether or not the key is present in the map.- Specified by:
containsKey
in interfaceShortByteMap
- Specified by:
containsKey
in interfaceShortKeysMap
- Parameters:
key
- the key- Returns:
- if a mapping exists in this map for the key
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forEachKey
public void forEachKey(ShortProcedure procedure)
Description copied from interface:ShortByteMap
Iterates through each key in the map, invoking the procedure for each.- Specified by:
forEachKey
in interfaceShortByteMap
- Specified by:
forEachKey
in interfaceShortKeysMap
- Parameters:
procedure
- the procedure to invoke for each key
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forEachKeyValue
public void forEachKeyValue(ShortByteProcedure procedure)
Description copied from interface:ShortByteMap
Iterates through each key/value pair in the map, invoking the procedure for each.- Specified by:
forEachKeyValue
in interfaceShortByteMap
- Parameters:
procedure
- the procedure to invoke for each key/value pair
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keysView
public LazyShortIterable keysView()
Description copied from interface:ShortByteMap
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 interfaceShortByteMap
- Returns:
- a view of the keys in this map
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keyValuesView
public RichIterable<ShortBytePair> keyValuesView()
Description copied from interface:ShortByteMap
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 interfaceShortByteMap
- Returns:
- a view of the keys in this map
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flipUniqueValues
public MutableByteShortMap flipUniqueValues()
Description copied from interface:ShortByteMap
Return the ByteShortMap that is obtained by flipping the direction of this map and making the associations from value to key.- Specified by:
flipUniqueValues
in interfaceMutableShortByteMap
- Specified by:
flipUniqueValues
in interfaceShortByteMap
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select
public ShortByteHashMap select(ShortBytePredicate predicate)
Description copied from interface:ShortByteMap
Return a copy of this map containing only the key/value pairs that match the predicate.- Specified by:
select
in interfaceMutableShortByteMap
- Specified by:
select
in interfaceShortByteMap
- 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 ShortByteHashMap reject(ShortBytePredicate predicate)
Description copied from interface:ShortByteMap
Return a copy of this map containing only the key/value pairs that do not match the predicate.- Specified by:
reject
in interfaceMutableShortByteMap
- Specified by:
reject
in interfaceShortByteMap
- 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(short element)
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probeTwo
int probeTwo(short element, int removedIndex)
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probeThree
int probeThree(short element, int removedIndex)
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spreadAndMask
int spreadAndMask(short element)
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spreadTwoAndMask
int spreadTwoAndMask(short 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(short key)
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isRemovedKey
private static boolean isRemovedKey(short key)
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isNonSentinel
private static boolean isNonSentinel(short key)
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isNonSentinelAtIndex
protected boolean isNonSentinelAtIndex(int index)
- Specified by:
isNonSentinelAtIndex
in classAbstractMutableByteValuesMap
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maxOccupiedWithData
private int maxOccupiedWithData()
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keySet
public MutableShortSet keySet()
Description copied from interface:ShortByteMap
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 interfaceShortByteMap
- Returns:
- a mutable set containing the keys in this map
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values
public MutableByteCollection values()
Description copied from interface:ByteValuesMap
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 interfaceByteValuesMap
- Returns:
- the values as a collection backed by this map
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