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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. 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.onap.dcaegen2.services.sdk.standardization.moher.metrics.api;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.time.Duration;
/**
* Object responsible for returning application metrics.
*
* @since 1.2.0
*/
public interface Metrics {
/**
* Return all gathered metrics.
*
* Returns a Publisher that will emit a single string containing all
* metrics with current values and finish afterwards.
*
* @since 1.2.0
*/
Mono<String> collect();
/**
* Returns all gathered metrics.
*
* Returns a Publisher that will emit string containing all metrics with current values in intervals.
*
* @param interval interval in which Publisher should return metrics
* @since 1.2.0
*/
Flux<String> collect(Duration interval);
}
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