Package io.netty.util.collection
Class LongCollections.EmptyMap
- java.lang.Object
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- io.netty.util.collection.LongCollections.EmptyMap
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- All Implemented Interfaces:
LongObjectMap<java.lang.Object>,java.util.Map<java.lang.Long,java.lang.Object>
- Enclosing class:
- LongCollections
private static final class LongCollections.EmptyMap extends java.lang.Object implements LongObjectMap<java.lang.Object>
An empty map. All operations that attempt to modify the map are unsupported.
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Nested Class Summary
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Nested classes/interfaces inherited from interface io.netty.util.collection.LongObjectMap
LongObjectMap.PrimitiveEntry<V>
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Constructor Summary
Constructors Modifier Constructor Description privateEmptyMap()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidclear()booleancontainsKey(long 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<LongObjectMap.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.Long,java.lang.Object>>entrySet()java.lang.Objectget(long key)Gets the value in the map with the specified key.java.lang.Objectget(java.lang.Object key)booleanisEmpty()java.util.Set<java.lang.Long>keySet()java.lang.Objectput(long key, java.lang.Object value)Puts the given entry into the map.java.lang.Objectput(java.lang.Long key, java.lang.Object value)voidputAll(java.util.Map<? extends java.lang.Long,?> m)java.lang.Objectremove(long key)Removes the entry with the specified key.java.lang.Objectremove(java.lang.Object key)intsize()java.util.Collection<java.lang.Object>values()
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Method Detail
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get
public java.lang.Object get(long key)
Description copied from interface:LongObjectMapGets the value in the map with the specified key.- Specified by:
getin interfaceLongObjectMap<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(long key, java.lang.Object value)Description copied from interface:LongObjectMapPuts the given entry into the map.- Specified by:
putin interfaceLongObjectMap<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(long key)
Description copied from interface:LongObjectMapRemoves the entry with the specified key.- Specified by:
removein interfaceLongObjectMap<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.Long,java.lang.Object>
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isEmpty
public boolean isEmpty()
- Specified by:
isEmptyin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKeyin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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clear
public void clear()
- Specified by:
clearin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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keySet
public java.util.Set<java.lang.Long> keySet()
- Specified by:
keySetin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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containsKey
public boolean containsKey(long key)
Description copied from interface:LongObjectMapIndicates whether or not this map contains a value for the specified key.- Specified by:
containsKeyin interfaceLongObjectMap<java.lang.Object>
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containsValue
public boolean containsValue(java.lang.Object value)
- Specified by:
containsValuein interfacejava.util.Map<java.lang.Long,java.lang.Object>
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entries
public java.lang.Iterable<LongObjectMap.PrimitiveEntry<java.lang.Object>> entries()
Description copied from interface:LongObjectMapGets an iterable to traverse over the primitive entries contained in this map. As an optimization, theLongObjectMap.PrimitiveEntrys returned by theIteratormay change as theIteratorprogresses. The caller should not rely onLongObjectMap.PrimitiveEntrykey/value stability.- Specified by:
entriesin interfaceLongObjectMap<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.Long,java.lang.Object>
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put
public java.lang.Object put(java.lang.Long key, java.lang.Object value)- Specified by:
putin interfacejava.util.Map<java.lang.Long,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.Long,java.lang.Object>
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putAll
public void putAll(java.util.Map<? extends java.lang.Long,?> m)
- Specified by:
putAllin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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values
public java.util.Collection<java.lang.Object> values()
- Specified by:
valuesin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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entrySet
public java.util.Set<java.util.Map.Entry<java.lang.Long,java.lang.Object>> entrySet()
- Specified by:
entrySetin interfacejava.util.Map<java.lang.Long,java.lang.Object>
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