Package org.optaplanner.core.impl.score.stream.drools.common

## Class DroolsAbstractGroupBy<InTuple,​OutTuple>

- java.lang.Object
- - org.optaplanner.core.impl.score.stream.drools.common.DroolsAbstractGroupBy<InTuple,​OutTuple>

- All Implemented Interfaces:
    `Serializable`

      public abstract class DroolsAbstractGroupBy<InTuple,​OutTuple>
      extends Object
      implements Serializable

  See Also:
    Serialized Form

- - ### Constructor Summary

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

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `accumulate​(org.drools.core.common.InternalFactHandle handle, InTuple input)` |
    `Collection<OutTuple>` | `getResult()` |
    `void` | `init()` |
    `protected abstract GroupByCollectorProcessor<InTuple,​OutTuple>` | `newAccumulator()` |
    `void` | `reverse​(org.drools.core.common.InternalFactHandle handle)` |

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

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

- - ### Constructor Detail

    - #### DroolsAbstractGroupBy

          public DroolsAbstractGroupBy()

  - ### Method Detail

    - #### init

          public void init()

    - #### accumulate

          public void accumulate​(org.drools.core.common.InternalFactHandle handle,
                                 InTuple input)

    - #### reverse

          public void reverse​(org.drools.core.common.InternalFactHandle handle)

    - #### getResult

          public Collection<OutTuple> getResult()

    - #### newAccumulator

          protected abstract GroupByCollectorProcessor<InTuple,​OutTuple> newAccumulator()