Package japicmp.util
Class Optional<T>
- java.lang.Object
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- japicmp.util.Optional<T>
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- Direct Known Subclasses:
Optional.Absent
,Optional.Present
public abstract class Optional<T> extends java.lang.Object
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
Optional.Absent<T>
private static class
Optional.Present<T>
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Constructor Summary
Constructors Constructor Description Optional()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static <T> Optional<T>
absent()
abstract boolean
equals(java.lang.Object object)
static <T> Optional<T>
fromNullable(T reference)
abstract T
get()
abstract int
hashCode()
abstract boolean
isPresent()
static <T> Optional<T>
of(T reference)
abstract Optional<T>
or(Optional<? extends T> secondChoice)
abstract T
or(T secondChoice)
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Method Detail
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isPresent
public abstract boolean isPresent()
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get
public abstract T get()
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hashCode
public abstract int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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equals
public abstract boolean equals(java.lang.Object object)
- Overrides:
equals
in classjava.lang.Object
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of
public static <T> Optional<T> of(T reference)
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fromNullable
public static <T> Optional<T> fromNullable(T reference)
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absent
public static <T> Optional<T> absent()
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