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/*
 * Copyright (c) 2020 Richard Hauswald - https://quantummaid.de/.
 *
 * 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 de.quantummaid.httpmaid;

import de.quantummaid.httpmaid.chains.MetaData;
import de.quantummaid.httpmaid.chains.MetaDataKey;
import de.quantummaid.httpmaid.util.Validators;
import lombok.AccessLevel;
import lombok.EqualsAndHashCode;
import lombok.RequiredArgsConstructor;
import lombok.ToString;

@ToString
@EqualsAndHashCode
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
public final class MetricsProvider {
    private final MetaDataKey key;
    private final MetaData metaData;

    public static  MetricsProvider metricsProvider(final MetaDataKey key,
                                                         final MetaData metaData) {
        Validators.validateNotNull(key, "key");
        Validators.validateNotNull(metaData, "metaData");
        return new MetricsProvider<>(key, metaData);
    }

    public void provideMetric(final T value) {
        Validators.validateNotNull(value, "value");
        metaData.set(key, value);
    }
}