Module com.darkcollective.relix.plan
Package com.darkcollective.relix.plan

Record Class PhysicalNode.RecursiveRef

java.lang.Object
java.lang.Record
com.darkcollective.relix.plan.PhysicalNode.RecursiveRef
Record Components:
name - the bound recursive relation name (identifies the binding in the executor's recursion map)
All Implemented Interfaces:
PhysicalNode
Enclosing interface:
PhysicalNode
public static record PhysicalNode.RecursiveRef(Schema schema, String name) extends Record implements PhysicalNode
A reference to the relation bound by an enclosing PhysicalNode.Fixpoint or PhysicalNode.Iterate. At execution time, streams the current delta from the executor's recursion binding map. Always a leaf (no children); schema matches the enclosing Fixpoint's output schema.

  • Constructor Details

    • RecursiveRef

      public RecursiveRef(Schema schema, String name)
      Creates an instance of a RecursiveRef record class.
      Parameters:
      schema - the value for the schema record component
      name - the value for the name record component

  • Method Details

    • children

      public List<PhysicalNode> children()
      Description copied from interface: PhysicalNode
      Direct child plans, left-to-right; empty for a PhysicalNode.Scan.
      Specified by:
      children in interface PhysicalNode

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • schema

      public Schema schema()
      Returns the value of the schema record component.
      Specified by:
      schema in interface PhysicalNode
      Returns:
      the value of the schema record component

    • name

      public String name()
      Returns the value of the name record component.
      Returns:
      the value of the name record component