Package rx.internal.operators
Enum EmptyObservableHolder
- java.lang.Object
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- java.lang.Enum<EmptyObservableHolder>
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- rx.internal.operators.EmptyObservableHolder
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<EmptyObservableHolder>
,Action
,Action1<Subscriber<? super java.lang.Object>>
,Function
,Observable.OnSubscribe<java.lang.Object>
public enum EmptyObservableHolder extends java.lang.Enum<EmptyObservableHolder> implements Observable.OnSubscribe<java.lang.Object>
Holds a singleton instance of an empty Observable which is stateless and completes the child subscriber immediately.
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Enum Constant Summary
Enum Constants Enum Constant Description INSTANCE
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Field Summary
Fields Modifier and Type Field Description (package private) static Observable<java.lang.Object>
EMPTY
The singleton instance.
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Constructor Summary
Constructors Modifier Constructor Description private
EmptyObservableHolder()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
call(Subscriber<? super java.lang.Object> child)
static <T> Observable<T>
instance()
Returns a type-corrected singleton instance of the empty Observable.static EmptyObservableHolder
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static EmptyObservableHolder[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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INSTANCE
public static final EmptyObservableHolder INSTANCE
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Field Detail
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EMPTY
static final Observable<java.lang.Object> EMPTY
The singleton instance.
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Method Detail
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values
public static EmptyObservableHolder[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (EmptyObservableHolder c : EmptyObservableHolder.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static EmptyObservableHolder valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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instance
public static <T> Observable<T> instance()
Returns a type-corrected singleton instance of the empty Observable.- Type Parameters:
T
- the value type- Returns:
- a type-corrected singleton instance of the empty Observable.
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call
public void call(Subscriber<? super java.lang.Object> child)
- Specified by:
call
in interfaceAction1<Subscriber<? super java.lang.Object>>
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