Package io.substrait.relation

Class ImmutableMeasure.Builder

java.lang.Object
io.substrait.relation.ImmutableMeasure.Builder
Enclosing class:
ImmutableMeasure
public static final class ImmutableMeasure.Builder extends Object
Builds instances of type ImmutableMeasure. Initialize attributes and then invoke the build() method to create an immutable instance.

Builder is not thread-safe and generally should not be stored in a field or collection, but instead used immediately to create instances.

  • Method Details

    • from

      public final ImmutableMeasure.Builder from(Aggregate.Measure instance)
      Fill a builder with attribute values from the provided Measure instance. Regular attribute values will be replaced with those from the given instance. Absent optional values will not replace present values.
      Parameters:
      instance - The instance from which to copy values
      Returns:
      this builder for use in a chained invocation

    • function

      public final ImmutableMeasure.Builder function(AggregateFunctionInvocation function)
      Initializes the value for the function attribute.
      Parameters:
      function - The value for function
      Returns:
      this builder for use in a chained invocation

    • preMeasureFilter

      public final ImmutableMeasure.Builder preMeasureFilter(Expression preMeasureFilter)
      Initializes the optional value preMeasureFilter to preMeasureFilter.
      Parameters:
      preMeasureFilter - The value for preMeasureFilter
      Returns:
      this builder for chained invocation

    • preMeasureFilter

      public final ImmutableMeasure.Builder preMeasureFilter(Optional<? extends Expression> preMeasureFilter)
      Initializes the optional value preMeasureFilter to preMeasureFilter.
      Parameters:
      preMeasureFilter - The value for preMeasureFilter
      Returns:
      this builder for use in a chained invocation

    • build

      public ImmutableMeasure build()
      Builds a new ImmutableMeasure.
      Returns:
      An immutable instance of Measure
      Throws:
      IllegalStateException - if any required attributes are missing