public class Long2LongFunctions extends Object
Function
,
Collections
Modifier and Type | Class and Description |
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static class |
Long2LongFunctions.EmptyFunction
An immutable class representing an empty type-specific function.
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static class |
Long2LongFunctions.Singleton
An immutable class representing a type-specific singleton function.
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static class |
Long2LongFunctions.SynchronizedFunction
A synchronized wrapper class for functions.
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static class |
Long2LongFunctions.UnmodifiableFunction
An unmodifiable wrapper class for functions.
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Modifier and Type | Field and Description |
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static Long2LongFunctions.EmptyFunction |
EMPTY_FUNCTION
An empty type-specific function (immutable).
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Modifier and Type | Method and Description |
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static Long2LongFunction |
singleton(long key,
long value)
Returns a type-specific immutable function containing only the specified pair.
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static Long2LongFunction |
singleton(Long key,
Long value)
Returns a type-specific immutable function containing only the specified pair.
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static Long2LongFunction |
synchronize(Long2LongFunction f)
Returns a synchronized type-specific function backed by the given type-specific function.
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static Long2LongFunction |
synchronize(Long2LongFunction f,
Object sync)
Returns a synchronized type-specific function backed by the given type-specific function, using an assigned object to synchronize.
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static Long2LongFunction |
unmodifiable(Long2LongFunction f)
Returns an unmodifiable type-specific function backed by the given type-specific function.
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public static final Long2LongFunctions.EmptyFunction EMPTY_FUNCTION
public static Long2LongFunction singleton(long key, long value)
Note that albeit the returned function is immutable, its default return value may be changed.
key
- the only key of the returned function.value
- the only value of the returned function.<key,value>
.public static Long2LongFunction singleton(Long key, Long value)
Note that albeit the returned function is immutable, its default return value may be changed.
key
- the only key of the returned function.value
- the only value of the returned function.<key,value>
.public static Long2LongFunction synchronize(Long2LongFunction f)
f
- the function to be wrapped in a synchronized function.Collections.synchronizedMap(java.util.Map)
public static Long2LongFunction synchronize(Long2LongFunction f, Object sync)
f
- the function to be wrapped in a synchronized function.sync
- an object that will be used to synchronize the access to the function.Collections.synchronizedMap(java.util.Map)
public static Long2LongFunction unmodifiable(Long2LongFunction f)
f
- the function to be wrapped in an unmodifiable function.Collections.unmodifiableMap(java.util.Map)