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Spring Boot Actuator AutoConfigure
/*
* Copyright 2012-2020 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.autoconfigure.metrics;
import java.time.Duration;
import io.micrometer.core.instrument.Meter;
/**
* A boundary for a service-level objective (SLO) for use when configuring Micrometer. Can
* be specified as either a {@link Double} (applicable to timers and distribution
* summaries) or a {@link Duration} (applicable to only timers).
*
* @author Phillip Webb
* @author Stephane Nicoll
* @since 2.3.0
*/
public final class ServiceLevelObjectiveBoundary {
private final MeterValue value;
ServiceLevelObjectiveBoundary(MeterValue value) {
this.value = value;
}
/**
* Return the underlying value of the SLO in form suitable to apply to the given meter
* type.
* @param meterType the meter type
* @return the value or {@code null} if the value cannot be applied
*/
public Double getValue(Meter.Type meterType) {
return this.value.getValue(meterType);
}
/**
* Return a new {@link ServiceLevelObjectiveBoundary} instance for the given double
* value.
* @param value the source value
* @return a {@link ServiceLevelObjectiveBoundary} instance
*/
public static ServiceLevelObjectiveBoundary valueOf(double value) {
return new ServiceLevelObjectiveBoundary(MeterValue.valueOf(value));
}
/**
* Return a new {@link ServiceLevelObjectiveBoundary} instance for the given String
* value.
* @param value the source value
* @return a {@link ServiceLevelObjectiveBoundary} instance
*/
public static ServiceLevelObjectiveBoundary valueOf(String value) {
return new ServiceLevelObjectiveBoundary(MeterValue.valueOf(value));
}
}