Package org.openjdk.jmh.util
Class Optional<T>
- java.lang.Object
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- org.openjdk.jmh.util.Optional<T>
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- Type Parameters:
T
- stored value.
- All Implemented Interfaces:
java.io.Serializable
public class Optional<T> extends java.lang.Object implements java.io.Serializable
Option class- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
private T
val
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> Optional<T>
eitherOf(T val)
boolean
equals(java.lang.Object o)
T
get()
int
hashCode()
boolean
hasValue()
static <T> Optional<T>
none()
Produce empty Optionstatic <T> Optional<T>
of(T val)
Wrap the existing value in Option.Optional<T>
orAnother(Optional<T> alternative)
T
orElse(T elseVal)
java.lang.String
toString()
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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val
private final T val
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Constructor Detail
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Optional
private Optional(T val)
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Optional
private Optional()
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Method Detail
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none
public static <T> Optional<T> none()
Produce empty Option- Type Parameters:
T
- type- Returns:
- empty option
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of
public static <T> Optional<T> of(T val)
Wrap the existing value in Option.- Type Parameters:
T
- type- Parameters:
val
- value to wrap- Returns:
- option with value
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eitherOf
public static <T> Optional<T> eitherOf(T val)
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hasValue
public boolean hasValue()
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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get
public T get()
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equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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