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FlatMapNode.getPredecessorNode
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How to use
getPredecessorNode
method
in
org.apache.flink.optimizer.dag.FlatMapNode

Best Java code snippets using org.apache.flink.optimizer.dag.FlatMapNode.getPredecessorNode (Showing top 5 results out of 315)

origin: apache/flink

  /**
   * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality
   * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. 
   */
  @Override
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5;
  }
}
origin: org.apache.flink/flink-optimizer

  /**
   * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality
   * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. 
   */
  @Override
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5;
  }
}
origin: org.apache.flink/flink-optimizer_2.11

  /**
   * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality
   * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. 
   */
  @Override
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5;
  }
}
origin: org.apache.flink/flink-optimizer_2.10

  /**
   * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality
   * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. 
   */
  @Override
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5;
  }
}
origin: com.alibaba.blink/flink-optimizer

  /**
   * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality
   * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. 
   */
  @Override
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5;
  }
}
org.apache.flink.optimizer.dagFlatMapNodegetPredecessorNode

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  • <init>

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