2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.openecomp.appc.metricservice.policy;
27 import org.openecomp.appc.exceptions.APPCException;
28 import org.openecomp.appc.metricservice.metric.Metric;
32 * A custom logic that determines strategy of exposing metric values.
33 * Policy is associated with a specific registry and its implementation can very from the simplest options, such as 'real-time' behavior (upon each value change) to more sophisticated approaches such as thresholds or recurrent scheduling rules.
34 * The policy can also decide whether or not to publish the entire metric registry or just a subset of the it (e.g. changed ones).
35 * Policy supports execution of one or more Publishers.
38 public interface PublishingPolicy {
39 void onMetricChange(Metric meric) throws APPCException;