io.micrometer.tracing.reporter.wavefront.SpanMetrics Maven / Gradle / Ivy
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/**
* Copyright 2022 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 io.micrometer.tracing.reporter.wavefront;
import java.util.concurrent.BlockingQueue;
/**
* Reports metrics from {@link WavefrontSpanHandler}.
*
* @author Moritz Halbritter
* @since 1.0.0
*/
public interface SpanMetrics {
/**
* Is called when a span has been dropped.
*/
void reportDropped();
/**
* Is called when a span is received.
*/
void reportReceived();
/**
* Is called when a span couldn't be sent.
*/
void reportErrors();
/**
* Registers the size of the given {@code queue}.
* @param queue queue which size should be registered
*/
void registerQueueSize(BlockingQueue queue);
/**
* Registers the remaining capacity of the given {@code queue}.
* @param queue queue which remaining capacity should be registered
*/
void registerQueueRemainingCapacity(BlockingQueue queue);
/**
* No-op implementation.
*/
SpanMetrics NOOP = new SpanMetrics() {
@Override
public void reportDropped() {
}
@Override
public void reportReceived() {
}
@Override
public void reportErrors() {
}
@Override
public void registerQueueSize(BlockingQueue queue) {
}
@Override
public void registerQueueRemainingCapacity(BlockingQueue queue) {
}
};
}