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| Interface Summary | |
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| UnitExecutor | Executes an ExecutionUnit. |
| Class Summary | |
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| SimpleUnitExecutionFactory | Returns a shared instance of a SimpleUnitExecutor. |
| SimpleUnitExecutor | Executes an ExecutionUnit by invoking the operators in their (presorted)
ordering. |
| UnitExecutionFactory | Creates instances of UnitExecutors for ExecutionUnits. |
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