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/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
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 * .
 *
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package org.apache.hc.client5.http.impl.async;

import java.util.concurrent.Future;
import java.util.concurrent.ThreadFactory;

import org.apache.hc.client5.http.protocol.HttpClientContext;
import org.apache.hc.core5.concurrent.Cancellable;
import org.apache.hc.core5.concurrent.ComplexFuture;
import org.apache.hc.core5.concurrent.FutureCallback;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.nio.AsyncClientExchangeHandler;
import org.apache.hc.core5.http.nio.AsyncPushConsumer;
import org.apache.hc.core5.http.nio.AsyncRequestProducer;
import org.apache.hc.core5.http.nio.AsyncResponseConsumer;
import org.apache.hc.core5.http.nio.HandlerFactory;
import org.apache.hc.core5.http.nio.support.BasicClientExchangeHandler;
import org.apache.hc.core5.http.protocol.HttpContext;
import org.apache.hc.core5.reactor.DefaultConnectingIOReactor;

abstract class AbstractMinimalHttpAsyncClientBase extends AbstractHttpAsyncClientBase {

    AbstractMinimalHttpAsyncClientBase(
            final DefaultConnectingIOReactor ioReactor,
            final AsyncPushConsumerRegistry pushConsumerRegistry,
            final ThreadFactory threadFactory) {
        super(ioReactor, pushConsumerRegistry, threadFactory);
    }

    @Override
    protected  Future doExecute(
            final HttpHost httpHost,
            final AsyncRequestProducer requestProducer,
            final AsyncResponseConsumer responseConsumer,
            final HandlerFactory pushHandlerFactory,
            final HttpContext context,
            final FutureCallback callback) {
        final ComplexFuture future = new ComplexFuture<>(callback);
        future.setDependency(execute(new BasicClientExchangeHandler<>(
                requestProducer,
                responseConsumer,
                new FutureCallback() {

                    @Override
                    public void completed(final T result) {
                        future.completed(result);
                    }

                    @Override
                    public void failed(final Exception ex) {
                        future.failed(ex);
                    }

                    @Override
                    public void cancelled() {
                        future.cancel();
                    }

                }), pushHandlerFactory, context));
        return future;
    }

    public final Cancellable execute(final AsyncClientExchangeHandler exchangeHandler) {
        return execute(exchangeHandler, null, HttpClientContext.create());
    }

    public abstract Cancellable execute(
            AsyncClientExchangeHandler exchangeHandler,
            HandlerFactory pushHandlerFactory,
            HttpContext context);

}