act.metric.MeasureTime Maven / Gradle / Ivy
package act.metric;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import java.lang.annotation.*;
/**
* Mark a method is subject to metric time measurement
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface MeasureTime {
/**
* Specify the metric label.
*
* If the label starts with `/` then the {@link MetricContext}
* of the containing class will not effect. Otherwise the label
* will be concatenated with the metric context of the containing
* class if presented.
*
* If not specified then it will use the method name as
* the label
*
* @return metric label
*/
String value() default "";
}