public class Int2BooleanArrayMap extends AbstractInt2BooleanMap implements Serializable, Cloneable
The main purpose of this implementation is that of wrapping cleanly the brute-force approach to the storage of a very small number of pairs: just put them into two parallel arrays and scan linearly to find an item.
AbstractInt2BooleanMap.BasicEntry, AbstractInt2BooleanMap.BasicEntrySetInt2BooleanMap.Entry, Int2BooleanMap.FastEntrySet| Constructor and Description |
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Int2BooleanArrayMap()
Creates a new empty array map.
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Int2BooleanArrayMap(int capacity)
Creates a new empty array map of given capacity.
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Int2BooleanArrayMap(int[] key,
boolean[] value)
Creates a new empty array map with given key and value backing arrays.
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Int2BooleanArrayMap(int[] key,
boolean[] value,
int size)
Creates a new array map with given key and value backing arrays, using the given number of elements.
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Int2BooleanArrayMap(Int2BooleanMap m)
Creates a new empty array map copying the entries of a given map.
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Int2BooleanArrayMap(Map<? extends Integer,? extends Boolean> m)
Creates a new empty array map copying the entries of a given map.
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| Modifier and Type | Method and Description |
|---|---|
void |
clear()
Removes all of the mappings from this map (optional operation).
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Int2BooleanArrayMap |
clone()
Returns a deep copy of this map.
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boolean |
containsKey(int k)
Returns true if this function contains a mapping for the specified key.
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boolean |
containsValue(boolean v)
Returns
true if this map maps one or more keys to the specified value. |
boolean |
get(int k)
Returns the value to which the given key is mapped.
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Int2BooleanMap.FastEntrySet |
int2BooleanEntrySet()
Returns a type-specific set view of the mappings contained in this map.
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boolean |
isEmpty() |
IntSet |
keySet()
Returns a type-specific-set view of the keys of this map.
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boolean |
put(int k,
boolean v)
Adds a pair to the map (optional operation).
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boolean |
remove(int k)
Removes the mapping with the given key (optional operation).
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int |
size()
Returns the number of key/value mappings in this map.
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BooleanCollection |
values()
Returns a type-specific-set view of the values of this map.
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equals, hashCode, putAll, toStringdefaultReturnValue, defaultReturnValuecompute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsentNullable, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, containsValue, defaultReturnValue, defaultReturnValue, entrySet, get, getOrDefault, getOrDefault, merge, merge, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replacetestand, negate, orforEach, replaceAllpublic Int2BooleanArrayMap(int[] key,
boolean[] value)
It is responsibility of the caller that the elements of key are distinct.
key - the key array.value - the value array (it must have the same length as key).public Int2BooleanArrayMap()
public Int2BooleanArrayMap(int capacity)
capacity - the initial capacity.public Int2BooleanArrayMap(Int2BooleanMap m)
m - a map.public Int2BooleanArrayMap(Map<? extends Integer,? extends Boolean> m)
m - a map.public Int2BooleanArrayMap(int[] key,
boolean[] value,
int size)
It is responsibility of the caller that the first size elements of key are distinct.
key - the key array.value - the value array (it must have the same length as key).size - the number of valid elements in key and value.public Int2BooleanMap.FastEntrySet int2BooleanEntrySet()
Int2BooleanMapThis method is necessary because there is no inheritance along
type parameters: it is thus impossible to strengthen Map.entrySet()
so that it returns an ObjectSet
of type-specific entries (the latter makes it possible to
access keys and values with type-specific methods).
int2BooleanEntrySet in interface Int2BooleanMapMap.entrySet()public boolean get(int k)
Int2BooleanFunctionget in interface Int2BooleanFunctionk - the key.Function.get(Object)public int size()
Int2BooleanMapInteger.MAX_VALUE elements, returns Integer.MAX_VALUE.public void clear()
Int2BooleanMapclear in interface Int2BooleanMapclear in interface Map<Integer,Boolean>Map.clear()public boolean containsKey(int k)
Int2BooleanMapcontainsKey in interface Int2BooleanFunctioncontainsKey in interface Int2BooleanMapcontainsKey in class AbstractInt2BooleanMapk - the key.key.Map.containsKey(Object)public boolean containsValue(boolean v)
Int2BooleanMaptrue if this map maps one or more keys to the specified value.containsValue in interface Int2BooleanMapcontainsValue in class AbstractInt2BooleanMapMap.containsValue(Object)public boolean isEmpty()
public boolean put(int k,
boolean v)
Int2BooleanFunctionput in interface Int2BooleanFunctionk - the key.v - the value.Function.put(Object,Object)public boolean remove(int k)
Int2BooleanFunctionremove in interface Int2BooleanFunctionk - the key.Function.remove(Object)public IntSet keySet()
AbstractInt2BooleanMapThe view is backed by the set returned by Map.entrySet(). Note that
no attempt is made at caching the result of this method, as this would
require adding some attributes that lightweight implementations would
not need. Subclasses may easily override this policy by calling
this method and caching the result, but implementors are encouraged to
write more efficient ad-hoc implementations.
keySet in interface Int2BooleanMapkeySet in interface Map<Integer,Boolean>keySet in class AbstractInt2BooleanMapMap.keySet()public BooleanCollection values()
AbstractInt2BooleanMapThe view is backed by the set returned by Map.entrySet(). Note that
no attempt is made at caching the result of this method, as this would
require adding some attributes that lightweight implementations would
not need. Subclasses may easily override this policy by calling
this method and caching the result, but implementors are encouraged to
write more efficient ad-hoc implementations.
values in interface Int2BooleanMapvalues in interface Map<Integer,Boolean>values in class AbstractInt2BooleanMapMap.values()public Int2BooleanArrayMap clone()
This method performs a deep copy of this hash map; the data stored in the map, however, is not cloned. Note that this makes a difference only for object keys.