Package org.eclipse.viatra.query.runtime.rete.recipes

## Interface SingleColumnAggregatorRecipe

- All Superinterfaces:
    `AlphaRecipe`, `org.eclipse.emf.ecore.EObject`, `org.eclipse.emf.common.notify.Notifier`, `RederivableNodeRecipe`, `ReteNodeRecipe`, `SingleParentNodeRecipe`
  All Known Implementing Classes:
    `SingleColumnAggregatorRecipeImpl`

      public interface SingleColumnAggregatorRecipe
      extends AlphaRecipe, RederivableNodeRecipe

  A representation of the model object 'Single Column Aggregator Recipe'.

  The following features are supported:

  - `Multiset Aggregation Operator`
  - `Aggregable Index`
  - `Group By Mask`
  See Also:
    `RecipesPackage.getSingleColumnAggregatorRecipe()`
  Generated:
  Model:

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static java.lang.String` | `copyright`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `int` | `getAggregableIndex()` | Returns the value of the 'Aggregable Index' attribute.
    `int` | `getArity()`
    `Mask` | `getGroupByMask()` | Returns the value of the 'Group By Mask' containment reference.
    `IMultisetAggregationOperator<?,​?,​?>` | `getMultisetAggregationOperator()` | Returns the value of the 'Multiset Aggregation Operator' attribute.
    `void` | `setAggregableIndex​(int value)` | Sets the value of the '`Aggregable Index`' attribute.
    `void` | `setGroupByMask​(Mask value)` | Sets the value of the '`Group By Mask`' containment reference.
    `void` | `setMultisetAggregationOperator​(IMultisetAggregationOperator<?,​?,​?> value)` | Sets the value of the '`Multiset Aggregation Operator`' attribute.

    - ### Methods inherited from interface org.eclipse.emf.ecore.EObject

      `eAllContents, eClass, eContainer, eContainingFeature, eContainmentFeature, eContents, eCrossReferences, eGet, eGet, eInvoke, eIsProxy, eIsSet, eResource, eSet, eUnset`

    - ### Methods inherited from interface org.eclipse.emf.common.notify.Notifier

      `eAdapters, eDeliver, eNotify, eSetDeliver`

    - ### Methods inherited from interface org.eclipse.viatra.query.runtime.rete.recipes.RederivableNodeRecipe

      `getOptionalMonotonicityInfo, isDeleteRederiveEvaluation, setDeleteRederiveEvaluation, setOptionalMonotonicityInfo`

    - ### Methods inherited from interface org.eclipse.viatra.query.runtime.rete.recipes.ReteNodeRecipe

      `getEquivalenceClassIDs, getTraceInfo, setTraceInfo`

    - ### Methods inherited from interface org.eclipse.viatra.query.runtime.rete.recipes.SingleParentNodeRecipe

      `getParent, setParent`

- - ### Field Detail

    - #### copyright

          static final java.lang.String copyright

      See Also:
        Constant Field Values
      Generated:

  - ### Method Detail

    - #### getMultisetAggregationOperator

          IMultisetAggregationOperator<?,​?,​?> getMultisetAggregationOperator()

      Returns the value of the 'Multiset Aggregation Operator' attribute.
      Returns:
        the value of the 'Multiset Aggregation Operator' attribute.
      See Also:
        `setMultisetAggregationOperator(IMultisetAggregationOperator)`, `RecipesPackage.getSingleColumnAggregatorRecipe_MultisetAggregationOperator()`
      Generated:
      Model:
        dataType="org.eclipse.viatra.query.runtime.rete.recipes.AggregationOperator"

    - #### setMultisetAggregationOperator

          void setMultisetAggregationOperator​(IMultisetAggregationOperator<?,​?,​?> value)

      Sets the value of the '`Multiset Aggregation Operator`' attribute.
      Parameters:
        `value` - the new value of the 'Multiset Aggregation Operator' attribute.
      See Also:
        `getMultisetAggregationOperator()`
      Generated:

    - #### getAggregableIndex

          int getAggregableIndex()

      Returns the value of the 'Aggregable Index' attribute.
      Returns:
        the value of the 'Aggregable Index' attribute.
      See Also:
        `setAggregableIndex(int)`, `RecipesPackage.getSingleColumnAggregatorRecipe_AggregableIndex()`
      Generated:
      Model:

    - #### setAggregableIndex

          void setAggregableIndex​(int value)

      Sets the value of the '`Aggregable Index`' attribute.
      Parameters:
        `value` - the new value of the 'Aggregable Index' attribute.
      See Also:
        `getAggregableIndex()`
      Generated:

    - #### getGroupByMask

          Mask getGroupByMask()

      Returns the value of the 'Group By Mask' containment reference.
      Returns:
        the value of the 'Group By Mask' containment reference.
      See Also:
        `setGroupByMask(Mask)`, `RecipesPackage.getSingleColumnAggregatorRecipe_GroupByMask()`
      Generated:
      Model:
        containment="true" resolveProxies="true" required="true"

    - #### setGroupByMask

          void setGroupByMask​(Mask value)

      Sets the value of the '`Group By Mask`' containment reference.
      Parameters:
        `value` - the new value of the 'Group By Mask' containment reference.
      See Also:
        `getGroupByMask()`
      Generated:

    - #### getArity

          int getArity()

      Specified by:
        `getArity` in interface `ReteNodeRecipe`
      Generated:
      Model:
        kind="operation" unique="false"