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.external.operators;
  
  import java.util.Map;
  
  import org.apache.asterix.external.feed.management.FeedConnectionId;
  import org.apache.asterix.external.util.FeedUtils.FeedRuntimeType;
  import org.apache.asterix.om.types.ARecordType;
  import org.apache.asterix.om.types.IAType;
  import org.apache.hyracks.api.context.IHyracksTaskContext;
  import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
  import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
  import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.job.JobSpecification;
  import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
  
  /**
   * FeedCollectOperatorDescriptor is responsible for ingesting data from an external source. This
   * operator uses a user specified for a built-in adaptor for retrieving data from the external
   * data source.
   */
  public class FeedCollectOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
  
      private static final long serialVersionUID = 1L;
  
      /** The type associated with the ADM data output from (the feed adapter OR the compute operator) */
      private final IAType outputType;
  
      /** unique identifier for a feed instance. */
      private final FeedConnectionId connectionId;
  
      /** Map representation of policy parameters */
      private final Map<String, String> feedPolicyProperties;
  
      /** The subscription location at which the recipient feed receives tuples from the source feed {SOURCE_FEED_INTAKE_STAGE , SOURCE_FEED_COMPUTE_STAGE} **/
      private final FeedRuntimeType subscriptionLocation;
  
      public FeedCollectOperatorDescriptor(JobSpecification spec, FeedConnectionId feedConnectionId, ARecordType atype,
              RecordDescriptor rDesc, Map<String, String> feedPolicyProperties, FeedRuntimeType subscriptionLocation) {
          super(spec, 1, 1);
          this.outRecDescs[0] = rDesc;
          this.outputType = atype;
          this.connectionId = feedConnectionId;
          this.feedPolicyProperties = feedPolicyProperties;
          this.subscriptionLocation = subscriptionLocation;
      }
  
      @Override
      public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx,
              IRecordDescriptorProvider recordDescProvider, final int partition, int nPartitions)
              throws HyracksDataException {
          return new FeedCollectOperatorNodePushable(ctx, connectionId, feedPolicyProperties, partition);
      }
  
      public FeedConnectionId getFeedConnectionId() {
          return connectionId;
      }
  
      public Map<String, String> getFeedPolicyProperties() {
          return feedPolicyProperties;
      }
  
      public IAType getOutputType() {
          return outputType;
      }
  
      public RecordDescriptor getRecordDescriptor() {
          return outRecDescs[0];
      }
  
      public FeedRuntimeType getSubscriptionLocation() {
          return subscriptionLocation;
      }
  }
  