Class Maybe<T>
- java.lang.Object
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- org.apache.kafka.streams.state.internals.Maybe<T>
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- Type Parameters:
T-
public final class Maybe<T> extends java.lang.ObjectA container that may be empty, may contain null, or may contain a value. Distinct fromOptional, since Optional cannot contain null.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> Maybe<T>defined(T nullableValue)booleanequals(java.lang.Object o)TgetNullableValue()inthashCode()booleanisDefined()java.lang.StringtoString()static <T> Maybe<T>undefined()
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Method Detail
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defined
public static <T> Maybe<T> defined(T nullableValue)
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undefined
public static <T> Maybe<T> undefined()
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getNullableValue
public T getNullableValue()
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isDefined
public boolean isDefined()
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equals
public boolean equals(java.lang.Object o)
- Overrides:
equalsin classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCodein classjava.lang.Object
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toString
public java.lang.String toString()
- Overrides:
toStringin classjava.lang.Object
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