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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.
 */

package org.apache.flink.runtime.rpc.akka;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.rpc.AddressResolution;
import org.apache.flink.runtime.rpc.RpcSystem;

import javax.annotation.Nullable;

import java.net.InetSocketAddress;
import java.net.UnknownHostException;

/** {@link RpcSystem} implementation based on Akka. */
public class AkkaRpcSystem implements RpcSystem {

    @Override
    public RpcServiceBuilder localServiceBuilder(Configuration configuration) {
        return AkkaRpcServiceUtils.localServiceBuilder(configuration);
    }

    @Override
    public RpcServiceBuilder remoteServiceBuilder(
            Configuration configuration,
            @Nullable String externalAddress,
            String externalPortRange) {
        return AkkaRpcServiceUtils.remoteServiceBuilder(
                configuration, externalAddress, externalPortRange);
    }

    @Override
    public InetSocketAddress getInetSocketAddressFromRpcUrl(String url) throws Exception {
        return AkkaUtils.getInetSocketAddressFromAkkaURL(url);
    }

    @Override
    public String getRpcUrl(
            String hostname,
            int port,
            String endpointName,
            AddressResolution addressResolution,
            Configuration config)
            throws UnknownHostException {
        return AkkaRpcServiceUtils.getRpcUrl(
                hostname, port, endpointName, addressResolution, config);
    }

    @Override
    public long getMaximumMessageSizeInBytes(Configuration config) {
        return AkkaRpcServiceUtils.extractMaximumFramesize(config);
    }
}