Package org.apache.flink.table.planner.codegen

Class AsyncCodeGenerator

java.lang.Object
org.apache.flink.table.planner.codegen.AsyncCodeGenerator
public class AsyncCodeGenerator extends Object
Generates an AsyncFunction which can be used to evaluate calc projections from an async scalar function.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    DEFAULT_DELEGATING_FUTURE_TERM
     
    static final String
    DEFAULT_EXCEPTION_TERM
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    AsyncCodeGenerator()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static org.apache.flink.table.runtime.generated.GeneratedFunction<org.apache.flink.streaming.api.functions.async.AsyncFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>>
    generateFunction(String name, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType returnType, List<org.apache.calcite.rex.RexNode> calcProjection, boolean retainHeader, org.apache.flink.configuration.ReadableConfig tableConfig, ClassLoader classLoader)
    Creates a generated function which produces an AsyncFunction which executes the calc projections.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

  • Constructor Details

    • AsyncCodeGenerator

      public AsyncCodeGenerator()

  • Method Details

    • generateFunction

      public static org.apache.flink.table.runtime.generated.GeneratedFunction<org.apache.flink.streaming.api.functions.async.AsyncFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>> generateFunction(String name, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType returnType, List<org.apache.calcite.rex.RexNode> calcProjection, boolean retainHeader, org.apache.flink.configuration.ReadableConfig tableConfig, ClassLoader classLoader)
      Creates a generated function which produces an AsyncFunction which executes the calc projections.
      Parameters:
      name - The name used to generate the underlying function name
      inputType - The RowType of the input RowData
      returnType - The RowType of the resulting RowData
      retainHeader - If the header of the row should be retained
      calcProjection - The list of projections to be executed by this function
      tableConfig - The table configuration
      classLoader - The classloader to use while resolving classes
      Returns:
      A GeneratedFunction returning an AsyncFunction executing the given list of projections