Class ShortCollections.EmptyMap
java.lang.Object
io.netty.util.collection.ShortCollections.EmptyMap
- All Implemented Interfaces:
ShortObjectMap<java.lang.Object>, java.util.Map<java.lang.Short, java.lang.Object>
- Enclosing class:
ShortCollections
private static final class ShortCollections.EmptyMap
extends java.lang.Object
implements ShortObjectMap<java.lang.Object>
An empty map. All operations that attempt to modify the map are unsupported.
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Nested Class Summary
Nested classes/interfaces inherited from interface java.util.Map
java.util.Map.Entry<K,V> Nested classes/interfaces inherited from interface ShortObjectMap
ShortObjectMap.PrimitiveEntry<V> -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidclear()booleancontainsKey(short key) Indicates whether or not this map contains a value for the specified key.booleancontainsKey(java.lang.Object key) booleancontainsValue(java.lang.Object value) java.lang.Iterable<ShortObjectMap.PrimitiveEntry<java.lang.Object>> entries()Gets an iterable to traverse over the primitive entries contained in this map.java.util.Set<java.util.Map.Entry<java.lang.Short, java.lang.Object>> entrySet()java.lang.Objectget(short key) Gets the value in the map with the specified key.java.lang.Objectget(java.lang.Object key) booleanisEmpty()java.util.Set<java.lang.Short> keySet()java.lang.Objectput(short key, java.lang.Object value) Puts the given entry into the map.java.lang.Objectput(java.lang.Short key, java.lang.Object value) voidputAll(java.util.Map<? extends java.lang.Short, ?> m) java.lang.Objectremove(short key) Removes the entry with the specified key.java.lang.Objectremove(java.lang.Object key) intsize()java.util.Collection<java.lang.Object> values()Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll
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Constructor Details
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EmptyMap
private EmptyMap()
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Method Details
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get
public java.lang.Object get(short key) Description copied from interface:ShortObjectMapGets the value in the map with the specified key.- Specified by:
getin interfaceShortObjectMap<java.lang.Object>- Parameters:
key- the key whose associated value is to be returned.- Returns:
- the value or
nullif the key was not found in the map.
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put
public java.lang.Object put(short key, java.lang.Object value) Description copied from interface:ShortObjectMapPuts the given entry into the map.- Specified by:
putin interfaceShortObjectMap<java.lang.Object>- Parameters:
key- the key of the entry.value- the value of the entry.- Returns:
- the previous value for this key or
nullif there was no previous mapping.
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remove
public java.lang.Object remove(short key) Description copied from interface:ShortObjectMapRemoves the entry with the specified key.- Specified by:
removein interfaceShortObjectMap<java.lang.Object>- Parameters:
key- the key for the entry to be removed from this map.- Returns:
- the previous value for the key, or
nullif there was no mapping.
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size
public int size()- Specified by:
sizein interfacejava.util.Map<java.lang.Short, java.lang.Object>
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isEmpty
public boolean isEmpty()- Specified by:
isEmptyin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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containsKey
public boolean containsKey(java.lang.Object key) - Specified by:
containsKeyin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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clear
public void clear()- Specified by:
clearin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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keySet
public java.util.Set<java.lang.Short> keySet()- Specified by:
keySetin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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containsKey
public boolean containsKey(short key) Description copied from interface:ShortObjectMapIndicates whether or not this map contains a value for the specified key.- Specified by:
containsKeyin interfaceShortObjectMap<java.lang.Object>
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containsValue
public boolean containsValue(java.lang.Object value) - Specified by:
containsValuein interfacejava.util.Map<java.lang.Short, java.lang.Object>
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entries
Description copied from interface:ShortObjectMapGets an iterable to traverse over the primitive entries contained in this map. As an optimization, theShortObjectMap.PrimitiveEntrys returned by themay change as theinvalid reference
Iteratorprogresses. The caller should not rely oninvalid reference
IteratorShortObjectMap.PrimitiveEntrykey/value stability.- Specified by:
entriesin interfaceShortObjectMap<java.lang.Object>
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get
public java.lang.Object get(java.lang.Object key) - Specified by:
getin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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put
public java.lang.Object put(java.lang.Short key, java.lang.Object value) - Specified by:
putin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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remove
public java.lang.Object remove(java.lang.Object key) - Specified by:
removein interfacejava.util.Map<java.lang.Short, java.lang.Object>
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putAll
public void putAll(java.util.Map<? extends java.lang.Short, ?> m) - Specified by:
putAllin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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values
public java.util.Collection<java.lang.Object> values()- Specified by:
valuesin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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entrySet
public java.util.Set<java.util.Map.Entry<java.lang.Short, java.lang.Object>> entrySet()- Specified by:
entrySetin interfacejava.util.Map<java.lang.Short, java.lang.Object>
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