Package org.apache.flink.table.data.utils

Interface CastExecutor<IN,OUT>

Type Parameters:
IN - Input internal type
OUT - Output internal type
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@Internal @FunctionalInterface public interface CastExecutor<IN,OUT>
Interface to model a function that performs the casting of a value from one type to another.

  • Method Summary

    Modifier and Type
    Method
    Description
    OUT
    cast(IN value)
    Cast the input value.

  • Method Details

    • cast

      @Nullable OUT cast(@Nullable IN value) throws TableRuntimeException
      Cast the input value. The output is null only and only if the input is null. The method throws an exception if something goes wrong when casting.
      Parameters:
      value - Input value.
      Throws:
      TableRuntimeException