co.cask.cdap.common.conf

Interface PropertyUpdater<T>

Type Parameters:

T - Type of property to update

All Superinterfaces:

com.google.common.util.concurrent.AsyncFunction<T,T>

All Known Implementing Classes:

SyncPropertyUpdater

public interface PropertyUpdater<T>
extends com.google.common.util.concurrent.AsyncFunction<T,T>

An async function to update property in PropertyStore.

Method Summary

Methods

Modifier and Type	Method and Description
com.google.common.util.concurrent.ListenableFuture<T>	apply(T property) Computes the updated copy of property asynchronously.

Method Detail

apply

com.google.common.util.concurrent.ListenableFuture<T> apply(@Nullable
                                                          T property)
                                                            throws Exception

Computes the updated copy of property asynchronously.

Specified by:

apply in interface com.google.common.util.concurrent.AsyncFunction<T,T>

Parameters:

property - The existing property value or null if no existing value.

Returns:

A future that will be completed and carries the new property value when it become available.

Throws:

Exception