2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.groupbasedpolicy.sxp.ep.provider.impl;
11 import com.google.common.util.concurrent.ListenableFuture;
12 import java.util.Collection;
13 import javax.annotation.Nonnull;
16 * Purpose: simple asynchronous search interface allowing for custom key and returning list of values
18 * @param <X> special key type
19 * @param <V> value type
21 public interface ReadableAsyncByKey<X, V> {
24 * @param specialKey custom key to search by
25 * @return list of found values
27 ListenableFuture<Collection<V>> readBy(@Nonnull X specialKey);