/*
 * Copyright 2013-2017 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
 *
 *      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.
 */

package org.springframework.cloud.sleuth;

/**
 * Contract for reporting Sleuth spans for collection. For example to Zipkin.
 *
 * IMPORTANT: Your {@link SpanReporter} should inject the {@link SpanAdjuster} and
 * allow {@link Span} manipulation before the actual reporting is done.
 *
 * @author Marcin Grzejszczak
 * @since 1.0.0
 */
public interface SpanReporter {
	/**
	 * Reports a completed span out of band, usually out of process.
	 * This is typically to a trace depot (ex zipkin) or a log file.
	 */
	void report(Span span);
}
