Record Class Predicate.JoinColumnEqualsPredicate

java.lang.Object
java.lang.Record
com.loomcache.server.query.Predicate.JoinColumnEqualsPredicate
All Implemented Interfaces:
Predicate, Predicate.JoinPredicate
Enclosing interface:
Predicate
public static record Predicate.JoinColumnEqualsPredicate(String leftFieldName, String rightFieldName) extends Record implements Predicate.JoinPredicate
Join predicate that tests equality between a left and right column.

  • Constructor Details

    • JoinColumnEqualsPredicate

      public JoinColumnEqualsPredicate(String leftFieldName, String rightFieldName)
      Creates an instance of a JoinColumnEqualsPredicate record class.
      Parameters:
      leftFieldName - the value for the leftFieldName record component
      rightFieldName - the value for the rightFieldName record component

  • Method Details

    • matches

      public boolean matches(SqlRow leftRow, SqlRow rightRow)
      Description copied from interface: Predicate.JoinPredicate
      Tests whether the given pair of rows matches this join predicate.
      Specified by:
      matches in interface Predicate.JoinPredicate
      Parameters:
      leftRow - the left-hand side row
      rightRow - the right-hand side row
      Returns:
      true if the row pair matches, false otherwise

    • toString

      public 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.

    • leftFieldName

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

    • rightFieldName

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