public class THashMap extends TObjectHash implements Map, Serializable
| Modifier and Type | Class and Description |
|---|---|
protected class |
THashMap.EntryView
a view onto the entries of the map.
|
protected class |
THashMap.KeyView
a view onto the keys of the map.
|
protected class |
THashMap.ValueView
a view onto the values of the map.
|
| Modifier and Type | Field and Description |
|---|---|
protected Object[] |
_values
the values of the map
|
_set, REMOVED_free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR| Constructor and Description |
|---|
THashMap()
Creates a new
THashMap instance with the default
capacity and load factor. |
THashMap(int initialCapacity)
Creates a new
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
THashMap(int initialCapacity,
float loadFactor)
Creates a new
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
THashMap(int initialCapacity,
float loadFactor,
TObjectHashingStrategy strategy)
Creates a new
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
THashMap(int initialCapacity,
TObjectHashingStrategy strategy)
Creates a new
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
THashMap(Map map)
Creates a new
THashMap instance which contains the
key/value pairs in map. |
THashMap(Map map,
TObjectHashingStrategy strategy)
Creates a new
THashMap instance which contains the
key/value pairs in map. |
THashMap(TObjectHashingStrategy strategy)
Creates a new
THashMap instance with the default
capacity and load factor. |
| Modifier and Type | Method and Description |
|---|---|
void |
clear()
Empties the map.
|
Object |
clone() |
boolean |
containsKey(Object key)
checks for the present of key in the keys of the map.
|
boolean |
containsValue(Object val)
checks for the presence of val in the values of the map.
|
Set |
entrySet()
Returns a Set view on the entries of the map.
|
boolean |
equals(Object other)
Compares this map with another map for equality of their stored
entries.
|
boolean |
forEachEntry(TObjectObjectProcedure procedure)
Executes procedure for each key/value entry in the
map.
|
boolean |
forEachKey(TObjectProcedure procedure)
Executes procedure for each key in the map.
|
boolean |
forEachValue(TObjectProcedure procedure)
Executes procedure for each value in the map.
|
Object |
get(Object key)
retrieves the value for key
|
Set |
keySet()
returns a Set view on the keys of the map.
|
Object |
put(Object key,
Object value)
Inserts a key/value pair into the map.
|
void |
putAll(Map map)
copies the key/value mappings in map into this map.
|
protected void |
rehash(int newCapacity)
rehashes the map to the new capacity.
|
Object |
remove(Object key)
Deletes a key/value pair from the map.
|
protected void |
removeAt(int index)
removes the mapping at index from the map.
|
boolean |
retainEntries(TObjectObjectProcedure procedure)
Retains only those entries in the map for which the procedure
returns a true value.
|
protected int |
setUp(int initialCapacity)
initialize the value array of the map.
|
void |
transformValues(TObjectFunction function)
Transform the values in this map using function.
|
Collection |
values()
Returns a view on the values of the map.
|
capacity, computeHashCode, contains, equals, forEach, index, insertionIndexcompact, ensureCapacity, isEmpty, postInsertHook, size, trimToSizefinalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitcompute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, hashCode, isEmpty, merge, putIfAbsent, remove, replace, replace, replaceAll, sizeprotected transient Object[] _values
public THashMap()
THashMap instance with the default
capacity and load factor.public THashMap(TObjectHashingStrategy strategy)
THashMap instance with the default
capacity and load factor.strategy - used to compute hash codes and to compare objects.public THashMap(int initialCapacity)
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.initialCapacity - an int valuepublic THashMap(int initialCapacity,
TObjectHashingStrategy strategy)
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.initialCapacity - an int valuestrategy - used to compute hash codes and to compare objects.public THashMap(int initialCapacity,
float loadFactor)
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.initialCapacity - an int valueloadFactor - a float valuepublic THashMap(int initialCapacity,
float loadFactor,
TObjectHashingStrategy strategy)
THashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.initialCapacity - an int valueloadFactor - a float valuestrategy - used to compute hash codes and to compare objects.public THashMap(Map map)
THashMap instance which contains the
key/value pairs in map.map - a Map valuepublic THashMap(Map map, TObjectHashingStrategy strategy)
THashMap instance which contains the
key/value pairs in map.map - a Map valuestrategy - used to compute hash codes and to compare objects.public Object clone()
clone in class TObjectHashprotected int setUp(int initialCapacity)
setUp in class TObjectHashinitialCapacity - an int valueint valuepublic boolean equals(Object other)
public boolean forEachKey(TObjectProcedure procedure)
procedure - a TObjectProcedure valuepublic boolean forEachValue(TObjectProcedure procedure)
procedure - a TObjectProcedure valuepublic boolean forEachEntry(TObjectObjectProcedure procedure)
procedure - a TObjectObjectProcedure valuepublic boolean retainEntries(TObjectObjectProcedure procedure)
procedure - determines which entries to keeppublic void transformValues(TObjectFunction function)
function - a TObjectFunction valueprotected void rehash(int newCapacity)
public void clear()
protected void removeAt(int index)
removeAt in class TObjectHashindex - an int valuepublic Collection values()
public Set keySet()
public Set entrySet()
public boolean containsValue(Object val)
containsValue in interface Mapval - an Object valueboolean valuepublic boolean containsKey(Object key)
containsKey in interface Mapkey - an Object valueboolean valueCopyright © 2019 JULIE Lab, Germany. All rights reserved.