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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.metricservice.policy;
import org.openecomp.appc.exceptions.APPCException;
import org.openecomp.appc.metricservice.metric.Metric;
/**
*
* A custom logic that determines strategy of exposing metric values.
* 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.
* 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).
* Policy supports execution of one or more Publishers.
*
*/
public interface PublishingPolicy {
void onMetricChange(Metric meric) throws APPCException;
Metric[] metrics();
void init();
}
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