2 * Copyright 2015 Open Networking Laboratory
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onosproject.incubator.net.domain;
18 import com.google.common.annotations.Beta;
20 import java.util.List;
27 public interface IntentDomainProvider {
30 * Requests that the provider attempt to satisfy the intent primitive.
31 * The application must apply the context before the intent resource
32 * can be used. Request contexts can be explictly cancelled, or they will
33 * eventually time out so that resources can be reused.
35 * @param domain intent domain for the request
36 * @param primitive intent primitive
37 * @return request contexts that contain resources to satisfy the intent
39 //TODO Consider an iterable and/or holds (only hold one or two reservation(s) at a time)
40 List<RequestContext> request(IntentDomain domain, IntentPrimitive primitive);
43 * Request that the provider attempt to modify an existing resource to satisfy
44 * a new intent primitive. The application must apply the context before
45 * the intent resource can be used.
47 * @param resource existing resource
48 * @param newPrimitive intent primitive
49 * @return request contexts that contain resources to satisfy the intent
51 List<RequestContext> modify(IntentResource resource, IntentPrimitive newPrimitive);
54 * Requests that the provider release an intent resource.
56 * @param resource intent resource
58 void release(IntentResource resource);
61 * Requests that the provider apply the intent resource in the request context.
63 * @param context request context
64 * @return intent resource that satisfies the intent
66 IntentResource apply(RequestContext context);
69 * Requests that the provider cancel the request. Requests that are not applied
70 * will be eventually timed out by the provider.
72 * @param context request context
74 void cancel(RequestContext context);
77 * Returns all intent resources held by the provider.
79 * @return set of intent resources
81 Set<IntentResource> getResources();