Package com.terracottatech.store.async

Interface AsyncConditionalReadRecordAccessor<K extends Comparable<K>>

All Known Subinterfaces:

AsyncConditionalReadWriteRecordAccessor<K>

public interface AsyncConditionalReadRecordAccessor<K extends Comparable<K>>

An asynchronous equivalent to ConditionalReadRecordAccessor.

Method Summary

Modifier and Type	Method	Description
Operation<Optional<Record<K>>>	read()	An asynchronous equivalent to ConditionalReadRecordAccessor.read().
default <T> Operation<Optional<T>>	read(Function<? super Record<K>,T> mapper)	An asynchronous equivalent to ConditionalReadRecordAccessor.read(Function).

Method Details

read

default <T> Operation<Optional<T>> read(Function<? super Record<K>,T> mapper)

An asynchronous equivalent to ConditionalReadRecordAccessor.read(Function).

An exception thrown from mapper is propagated to the caller of the read method.

Type Parameters:

T - the type returned by the function defined in the mapper parameter.

Parameters:

mapper - the function to apply to the record.

Returns:

an Operation representing the read.

read

Operation<Optional<Record<K>>> read()

An asynchronous equivalent to ConditionalReadRecordAccessor.read().

Returns:

an Operation representing the read.