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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use Drools Planner.

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<?xml version="1.0" encoding="UTF-8"?>
<solverBenchmarkSuite>
  <benchmarkDirectory>local/data/cloudbalancing</benchmarkDirectory>
  <solverStatisticType>BEST_SOLUTION_CHANGED</solverStatisticType>
  <warmUpSecondsSpend>30</warmUpSecondsSpend>

  <inheritedSolverBenchmark>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/unsolvedCloudBalance100-100.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/unsolvedCloudBalance100-200.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/unsolvedCloudBalance100-250.xml</unsolvedSolutionFile>

    <solver>
      <solutionClass>org.drools.planner.examples.cloudbalancing.domain.CloudBalance</solutionClass>
      <planningEntityClass>org.drools.planner.examples.cloudbalancing.domain.CloudAssignment</planningEntityClass>
      <scoreDrl>/org/drools/planner/examples/cloudbalancing/solver/cloudBalancingScoreRules.drl</scoreDrl>
      <scoreDefinition>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
      </scoreDefinition>
      <!--<termination>-->
        <!--<maximumMinutesSpend>2</maximumMinutesSpend>-->
      <!--</termination>-->
    </solver>
  </inheritedSolverBenchmark>

  <solverBenchmark>
    <name>FIRST_FIT</name>
    <solver>
      <constructionHeuristic>
        <constructionHeuristicType>FIRST_FIT</constructionHeuristicType>
        <constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>
      </constructionHeuristic>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>FIRST_FIT_DECREASING</name>
    <solver>
      <constructionHeuristic>
        <constructionHeuristicType>FIRST_FIT_DECREASING</constructionHeuristicType>
        <constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>
      </constructionHeuristic>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>BEST_FIT</name>
    <solver>
      <constructionHeuristic>
        <constructionHeuristicType>BEST_FIT</constructionHeuristicType>
        <constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>
      </constructionHeuristic>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>BEST_FIT_DECREASING</name>
    <solver>
      <constructionHeuristic>
        <constructionHeuristicType>BEST_FIT_DECREASING</constructionHeuristicType>
        <constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>
      </constructionHeuristic>
    </solver>
  </solverBenchmark>
</solverBenchmarkSuite>