Package org.apache.druid.query.operator.window

Class WindowOperatorFactory

java.lang.Object
org.apache.druid.query.operator.window.WindowOperatorFactory
All Implemented Interfaces:
OperatorFactory
public class WindowOperatorFactory extends Object implements OperatorFactory

  • Constructor Details

    • WindowOperatorFactory

      public WindowOperatorFactory(Processor processor)

  • Method Details

    • getProcessor

      public Processor getProcessor()

    • wrap

      public Operator wrap(Operator op)
      Description copied from interface: OperatorFactory
      Builds an operator according to the definition of the OperatorFactory and wraps it around the operator passed in to this function.
      Specified by:
      wrap in interface OperatorFactory
      Parameters:
      op - the Operator to wrap
      Returns:
      the wrapped Operator

    • validateEquivalent

      public boolean validateEquivalent(OperatorFactory other)
      Description copied from interface: OperatorFactory
      Validates the equivalence of Operators. This is similar to @{code .equals} but is its own method so that it can ignore certain fields that would be important for a true equality check. Namely, two Operators defined the same way but with different output names can be considered equivalent even though they are not equal.

      This primarily exists to simplify tests, where this equivalence can be used to validate that the Operators created by the SQL planner are actually equivalent to what we expect without needing to be overly dependent on how the planner names output columns

      Specified by:
      validateEquivalent in interface OperatorFactory
      Parameters:
      other - the processor to test equivalence of
      Returns:
      boolean identifying if these processors should be considered equivalent to each other.

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object