Package org.eclipse.rdf4j.query.algebra.evaluation.iterator

## Class BindingSetHashKey

- java.lang.Object
- - org.eclipse.rdf4j.query.algebra.evaluation.iterator.BindingSetHashKey

- All Implemented Interfaces:
    `Serializable`

      public class BindingSetHashKey
      extends Object
      implements Serializable

  Compact and efficient representation of a binding set for use as a key in hash maps.
  Author:
    MJAHale
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static BindingSetHashKey` | `EMPTY` |

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static BindingSetHashKey` | `create​(String[] varNames, BindingSet bindings)` |
    `boolean` | `equals​(Object o)` |
    `int` | `hashCode()` |

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

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

- - ### Field Detail

    - #### EMPTY

          public static final BindingSetHashKey EMPTY

  - ### Method Detail

    - #### create

          public static BindingSetHashKey create​(String[] varNames,
                                                 BindingSet bindings)

    - #### equals

          public boolean equals​(Object o)

      Overrides:
        `equals` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`