io.helidon.tracing.providers.opentracing.NoOpBuilder Maven / Gradle / Ivy

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As OpenTracing is now discontinued, this is a backward compatibility module to support it. Please switch to Open Telemetry

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/*
 * Copyright (c) 2018, 2023 Oracle and/or its affiliates.
 *
 * 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 io.helidon.tracing.providers.opentracing;

import java.net.URI;

import io.helidon.common.config.Config;

import io.opentracing.Tracer;
import io.opentracing.noop.NoopTracerFactory;

/**
 * No op tracer builder - used when there is no tracer service available.
 */
final class NoOpBuilder implements OpenTracingTracerBuilder {
    private NoOpBuilder() {
    }

    static OpenTracingTracerBuilder create() {
        return new NoOpBuilder();
    }

    @Override
    public NoOpBuilder serviceName(String name) {
        return this;
    }

    @Override
    public NoOpBuilder collectorUri(URI uri) {
        return this;
    }

    @Override
    public NoOpBuilder collectorProtocol(String protocol) {
        return this;
    }

    @Override
    public NoOpBuilder collectorPort(int port) {
        return this;
    }

    @Override
    public NoOpBuilder collectorHost(String host) {
        return this;
    }

    @Override
    public NoOpBuilder collectorPath(String path) {
        return this;
    }

    @Override
    public NoOpBuilder addTracerTag(String key, String value) {
        return this;
    }

    @Override
    public NoOpBuilder addTracerTag(String key, Number value) {
        return this;
    }

    @Override
    public NoOpBuilder addTracerTag(String key, boolean value) {
        return this;
    }

    @Override
    public NoOpBuilder config(Config config) {
        return this;
    }

    @Override
    public NoOpBuilder enabled(boolean enabled) {
        return this;
    }

    @Override
    public NoOpBuilder registerGlobal(boolean global) {
        return this;
    }

    @Override
    public Tracer build() {
        return NoopTracerFactory.create();
    }

    @Override
    public boolean enabled() {
        return false;
    }

    @Override
    public  B unwrap(Class builderClass) {
        if (NoOpBuilder.class == builderClass) {
            return builderClass.cast(this);
        }
        throw new IllegalArgumentException("This is " + NoOpBuilder.class.getName() + ", not " + builderClass.getName());
    }
}