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com.vaadin.flow.data.provider.
Interface IdentifierProvider<T>
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Type Parameters:
T- the type of the itemAll Superinterfaces:
Function<T,Object>, Serializable, SerializableFunction<T,Object>, ValueProvider<T,Object>
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface IdentifierProvider<T> extends ValueProvider<T,Object>A callback interface that is used to provide the identifier of an item.
Since:
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Method Summary
All Methods Modifier and Type Method and Description static <T> IdentifierProvider<T>identity()Returns an identifier provider that always returns its input argument.
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Methods inherited from interface com.vaadin.flow.function.ValueProvider
apply
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Method Detail
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identity
static <T> IdentifierProvider<T> identity()Returns an identifier provider that always returns its input argument.
Specified by:
identityin interfaceFunction<T,Object>Specified by:
identityin interfaceSerializableFunction<T,Object>Specified by:
identityin interfaceValueProvider<T,Object>Type Parameters:
T- the type of the input and output objects to the functionReturns:
a function that always returns its input argument
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