/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

package jdk.incubator.http;

import java.util.Collection;

import java.util.Map;

import java.util.Set;

import java.util.concurrent.CompletableFuture;

/**

 * A {@link java.util.Map} containing the result of a HTTP/2 request and multi-response.

 * {@Incubating}

 * <p>

 * This is one possible implementation of the aggregate result type {@code <U>} returned

 * from {@link HttpClient#sendAsync(HttpRequest,MultiProcessor) }.

 * The map is indexed by {@link HttpRequest} and each value is a

 * {@link java.util.concurrent.CompletableFuture}<

 * {@link HttpResponse}{@code <V>}&gt;

 * <p>

 * A {@code MultiMapResult} is obtained from an invocation such as the one shown below:

 * <p>

 * {@link CompletableFuture}&lt;{@code MultiMapResult<V>}&gt;

 * {@link HttpClient#sendAsync(HttpRequest,

 * HttpResponse.MultiProcessor) HttpClient.sendAsync(}{@link

 * HttpResponse.MultiProcessor#asMap(java.util.function.Function)

 * MultiProcessor.asMap(Function)})

 *

 * @param <V> the response body type for all responses

 */

public class MultiMapResult<V> implements Map<HttpRequest,CompletableFuture<HttpResponse<V>>> {

    private final Map<HttpRequest,CompletableFuture<HttpResponse<V>>> map;

    MultiMapResult(Map<HttpRequest,CompletableFuture<HttpResponse<V>>> map) {

        this.map = map;

    }

    @Override

    public int size() {

        return map.size();

    }

    @Override

    public boolean isEmpty() {

        return map.isEmpty();

    }

    @Override

    public boolean containsKey(Object key) {

        return map.containsKey(key);

    }

    @Override

    public boolean containsValue(Object value) {

        return map.containsValue(value);

    }

    @Override

    public CompletableFuture<HttpResponse<V>> get(Object key) {

        return map.get(key);

    }

    @Override

    public CompletableFuture<HttpResponse<V>> put(HttpRequest key, CompletableFuture<HttpResponse<V>> value) {

        return map.put(key, value);

    }

    @Override

    public CompletableFuture<HttpResponse<V>> remove(Object key) {

        return map.remove(key);

    }

    @Override

    public void putAll(Map<? extends HttpRequest, ? extends CompletableFuture<HttpResponse<V>>> m) {

        map.putAll(m);

    }

    @Override

    public void clear() {

        map.clear();

    }

    @Override

    public Set<HttpRequest> keySet() {

        return map.keySet();

    }

    @Override

    public Collection<CompletableFuture<HttpResponse<V>>> values() {

        return map.values();

    }

    @Override

    public Set<Entry<HttpRequest, CompletableFuture<HttpResponse<V>>>> entrySet() {

        return map.entrySet();

    }

}