Copyright 2018 Netflix, Inc.
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.
/**
 * Copyright 2018 Netflix, Inc.
 *
 * 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 com.netflix.concurrency.limits.internal;

import com.netflix.concurrency.limits.MetricRegistry;

import java.util.function.Supplier;

public final class EmptyMetricRegistry implements MetricRegistry {
    public static final EmptyMetricRegistry INSTANCE = new EmptyMetricRegistry();
    
    private EmptyMetricRegistry() {}
    
    @Override
    public SampleListener distribution(String id, String... tagNameValuePairs) {
        return value -> { };
    }

    @Override
    public void gauge(String id, Supplier<Number> supplier, String... tagNameValuePairs) {
    }
}