org.springframework.boot.actuate.metrics.web.client.RestTemplateExchangeTagsProvider Maven / Gradle / Ivy
/*
* Copyright 2012-2017 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.boot.actuate.metrics.web.client;
import io.micrometer.core.instrument.Tag;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.web.client.RestTemplate;
/**
* Provides {@link Tag Tags} for an exchange performed by a {@link RestTemplate}.
*
* @author Jon Schneider
* @author Andy Wilkinson
* @since 2.0.0
*/
@FunctionalInterface
public interface RestTemplateExchangeTagsProvider {
/**
* Provides the tags to be associated with metrics that are recorded for the given
* {@code request} and {@code response} exchange.
* @param urlTemplate the source URl template, if available
* @param request the request
* @param response the response (may be {@code null} if the exchange failed)
* @return the tags
*/
Iterable getTags(String urlTemplate, HttpRequest request,
ClientHttpResponse response);
}