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
8 package org.opendaylight.groupbasedpolicy.sxp.mapper.api;
10 import com.google.common.base.Optional;
11 import javax.annotation.Nonnull;
14 * Purpose: encapsulate access to DS by exposing
17 * <dd>search through available values (e.g.: in local cache)</dd>
20 * @param <K> data key type
21 * @param <V> data type
23 public interface SimpleDao<K, V> {
26 * @param key for search
27 * @return value found by key
29 Optional<V> find(@Nonnull K key);