[6152] | 1 | /* |
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| 2 | Copyright 2006 by Sean Luke |
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| 3 | Licensed under the Academic Free License version 3.0 |
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| 4 | See the file "LICENSE" for more information |
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| 5 | */ |
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| 6 | |
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| 7 | |
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| 8 | package ec.steadystate; |
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| 9 | import ec.*; |
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| 10 | |
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| 11 | /* |
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| 12 | * SteadyStateStatisticsForm.java |
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| 13 | * |
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| 14 | * Created: Fri Nov 9 20:45:26 EST 2001 |
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| 15 | * By: Sean Luke |
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| 16 | */ |
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| 17 | |
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| 18 | /** |
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| 19 | * This interface defines the hooks for SteadyStateEvolutionState objects |
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| 20 | * to update themselves on. Note that the the only methods in common |
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| 21 | * with the standard statistics are initialization and final. This is an |
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| 22 | * optional interface: SteadyStateEvolutionState will complain, but |
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| 23 | * will permit Statistics objects that don't adhere to it, though they will |
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| 24 | * only have their initialization and final statistics methods called! |
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| 25 | * |
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| 26 | * <p>See SteadyStateEvolutionState for how regular Statistics objects' |
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| 27 | * hook methods are called in steady state evolution. |
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| 28 | * |
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| 29 | * @author Sean Luke |
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| 30 | * @version 1.0 |
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| 31 | */ |
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| 32 | |
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| 33 | public interface SteadyStateStatisticsForm |
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| 34 | { |
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| 35 | /** Called when we created an empty initial Population. */ |
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| 36 | public void enteringInitialPopulationStatistics(SteadyStateEvolutionState state); |
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| 37 | /** Called when we have filled the initial population and are entering the steady state. */ |
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| 38 | public void enteringSteadyStateStatistics(int subpop, SteadyStateEvolutionState state); |
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| 39 | /** Called each time new individuals are bred during the steady-state |
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| 40 | process. */ |
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| 41 | public void individualsBredStatistics(SteadyStateEvolutionState state, Individual[] individuals); |
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| 42 | /** Called each time new individuals are evaluated during the steady-state |
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| 43 | process, NOT including the initial generation's individuals. */ |
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| 44 | public void individualsEvaluatedStatistics(SteadyStateEvolutionState state, Individual[] newIndividuals, |
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| 45 | Individual[] oldIndividuals, int[] subpopulations, int[] indices); |
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| 46 | /** Called when the generation count increments */ |
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| 47 | public void generationBoundaryStatistics(final EvolutionState state); |
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| 48 | /** Called immediately before checkpointing occurs. */ |
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| 49 | public void preCheckpointStatistics(final EvolutionState state); |
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| 50 | /** Called immediately after checkpointing occurs. */ |
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| 51 | public void postCheckpointStatistics(final EvolutionState state); |
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| 52 | /** Called immediately before the pre-breeding exchange occurs. */ |
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| 53 | public void prePreBreedingExchangeStatistics(final EvolutionState state); |
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| 54 | /** Called immediately after the pre-breeding exchange occurs. */ |
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| 55 | public void postPreBreedingExchangeStatistics(final EvolutionState state); |
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| 56 | /** Called immediately before the post-breeding exchange occurs. */ |
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| 57 | public void prePostBreedingExchangeStatistics(final EvolutionState state); |
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| 58 | /** Called immediately after the post-breeding exchange occurs. */ |
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| 59 | public void postPostBreedingExchangeStatistics(final EvolutionState state); |
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| 60 | /** Called immediately after the run has completed. <i>result</i> |
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| 61 | is either <tt>state.R_FAILURE</tt>, indicating that an ideal individual |
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| 62 | was not found, or <tt>state.R_SUCCESS</tt>, indicating that an ideal |
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| 63 | individual <i>was</i> found. */ |
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| 64 | public void finalStatistics(final EvolutionState state, final int result); |
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| 65 | } |
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