content: /*
   * 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.asterix.translator;
  
  import java.net.InetSocketAddress;
  import java.util.UUID;
  
  import org.apache.asterix.common.api.IClientRequest;
  import org.apache.asterix.common.api.ICommonRequestParameters;
  import org.apache.asterix.common.api.IReceptionist;
  import org.apache.asterix.common.api.IRequestReference;
  import org.apache.asterix.common.api.ISchedulableClientRequest;
  import org.apache.asterix.common.api.RequestReference;
  import org.apache.http.HttpHeaders;
  import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.http.api.IServletRequest;
  import org.apache.hyracks.util.NetworkUtil;
  
  public class Receptionist implements IReceptionist {
  
      @Override
      public IRequestReference welcome(IServletRequest request) {
          final String uuid = UUID.randomUUID().toString();
          final InetSocketAddress localAddress = request.getLocalAddress();
          final RequestReference ref =
                  RequestReference.of(uuid, NetworkUtil.toHostPort(localAddress), System.currentTimeMillis());
          ref.setUserAgent(request.getHeader(HttpHeaders.USER_AGENT));
          ref.setRemoteAddr(NetworkUtil.toHostPort(request.getRemoteAddress()));
          return ref;
      }
  
      @Override
      public IClientRequest requestReceived(ICommonRequestParameters requestParameters) throws HyracksDataException {
          return new ClientRequest(requestParameters);
      }
  
      @Override
      public void ensureSchedulable(ISchedulableClientRequest schedulableRequest) throws HyracksDataException {
          // currently we don't have any restrictions
      }
  
      @Override
      public void ensureAuthorized(ICommonRequestParameters requestParameters, IMetadataProvider<?, ?> metadataProvider)
              throws HyracksDataException {
  
      }
  }
  