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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.websockets;

import de.quantummaid.httpmaid.chains.MetaData;
import de.quantummaid.httpmaid.chains.MetaDataKey;

import java.util.function.Function;

public interface MetaDataEntryProvider {

    static  MetaDataEntryProvider saving(final MetaDataKey key) {
        return metaData -> MetaDataEntry.metaDataEntry(key, metaData.get(key));
    }

    static  MetaDataEntryProvider storing(final MetaDataKey key, Function valueProvider) {
        return metaData -> MetaDataEntry.metaDataEntry(key, valueProvider.apply(metaData));
    }

    MetaDataEntry provide(MetaData metaData);
}