# Hierarchy For Package org.eclipse.viatra.query.runtime.matchers.aggregators

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.AbstractMemorylessAggregationOperator<Domain,​AggregateResult> (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator<Domain,​Accumulator,​AggregateResult>)
    - org.eclipse.viatra.query.runtime.matchers.aggregators.DoubleSumOperator
    - org.eclipse.viatra.query.runtime.matchers.aggregators.IntegerSumOperator
    - org.eclipse.viatra.query.runtime.matchers.aggregators.LongSumOperator
  - org.eclipse.viatra.query.runtime.matchers.aggregators.avg (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IAggregatorFactory)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.count (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IAggregatorFactory)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.DoubleAverageOperator (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator<Domain,​Accumulator,​AggregateResult>)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.ExtremumOperator<T> (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator<Domain,​Accumulator,​AggregateResult>)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.IntegerAverageOperator (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator<Domain,​Accumulator,​AggregateResult>)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.LongAverageOperator (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator<Domain,​Accumulator,​AggregateResult>)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.max (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IAggregatorFactory)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.min (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IAggregatorFactory)
  - org.eclipse.viatra.query.runtime.matchers.aggregators.sum (implements org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IAggregatorFactory)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.eclipse.viatra.query.runtime.matchers.aggregators.ExtremumOperator.Extreme