Package org.eclipse.rdf4j.federated.optimizer

## Class NaryJoinArgumentsComparator

- java.lang.Object
- - org.eclipse.rdf4j.federated.optimizer.NaryJoinArgumentsComparator

- All Implemented Interfaces:
    `Comparator<TupleExpr>`

      public class NaryJoinArgumentsComparator
      extends Object
      implements Comparator<TupleExpr>

  Comparator: partial order: OwnedStatementSourcePatternGroup -> OwnedStatementSourcePattern -> StatementSourcePattern
  Author:
    Andreas

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `NaryJoinArgumentsComparator()` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `int` | `compare​(TupleExpr a, TupleExpr b)` |

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface java.util.Comparator

      `equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong`

- - ### Constructor Detail

    - #### NaryJoinArgumentsComparator

          public NaryJoinArgumentsComparator()

  - ### Method Detail

    - #### compare

          public int compare​(TupleExpr a,
                             TupleExpr b)

      Specified by:
        `compare` in interface `Comparator<TupleExpr>`