group.rxcloud.capa.component.telemetry.metrics.CapaLongHistogramBuilder Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 group.rxcloud.capa.component.telemetry.metrics;
import io.opentelemetry.api.metrics.DoubleHistogramBuilder;
import io.opentelemetry.api.metrics.LongHistogram;
import io.opentelemetry.api.metrics.LongHistogramBuilder;
import io.opentelemetry.api.metrics.internal.NoopMeter;
/**
*
*/
public class CapaLongHistogramBuilder implements LongHistogramBuilder {
private final String meterName;
private final String schemaUrl;
private final String version;
private final String name;
private String description;
private String unit;
public CapaLongHistogramBuilder(String meterName, String schemaUrl, String version, String name) {
this.meterName = meterName;
this.schemaUrl = schemaUrl;
this.version = version;
this.name = name;
}
@Override
public LongHistogramBuilder setDescription(String description) {
this.description = description;
return this;
}
@Override
public LongHistogramBuilder setUnit(String unit) {
this.unit = unit;
return this;
}
@Override
public DoubleHistogramBuilder ofDoubles() {
return new CapaDoubleHistogramBuilder(meterName, schemaUrl, version, name).setDescription(description)
.setUnit(unit);
}
@Override
public LongHistogram build() {
LongHistogram histogram = CapaMeterWrapper
.loadHistogramNullable(meterName, schemaUrl, version, name, description, unit, CapaLongHistogram.class);
if (histogram == null) {
return NoopMeter.getInstance().histogramBuilder(name).ofLongs().build();
}
return histogram;
}
}