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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/cb-0002comp-0006proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0003comp-0009proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0004comp-0012proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0100comp-0300proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0200comp-0600proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0400comp-1200proc.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/cloudbalancing/unsolved/cb-0800comp-2400proc.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>
    </solver>
  </inheritedSolverBenchmark>

  <!--<solverBenchmark>-->
    <!--<name>bruteForce</name>-->
    <!--<solver>-->
      <!--<bruteForce>-->
      <!--</bruteForce>-->
    <!--</solver>-->
  <!--</solverBenchmark>-->

  <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>

  <!--<solverBenchmark>-->
    <!--<name>propertyTabu7</name>-->
    <!--<solver>-->
      <!--<constructionHeuristic>-->
        <!--<constructionHeuristicType>FIRST_FIT_DECREASING</constructionHeuristicType>-->
        <!--<constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>-->
      <!--</constructionHeuristic>-->
      <!--<localSearch>-->
        <!--<termination>-->
          <!--<maximumUnimprovedStepCount>10</maximumUnimprovedStepCount>-->
        <!--</termination>-->
        <!--<selector>-->
          <!--<selector>-->
            <!--<moveFactoryClass>org.drools.planner.examples.cloudbalancing.solver.move.factory.CloudComputerChangeMoveFactory</moveFactoryClass>-->
          <!--</selector>-->
          <!--<selector>-->
            <!--<moveFactoryClass>org.drools.planner.examples.cloudbalancing.solver.move.factory.CloudAssignmentSwitchMoveFactory</moveFactoryClass>-->
          <!--</selector>-->
        <!--</selector>-->
        <!--<acceptor>-->
          <!--<completeSolutionTabuSize>1000</completeSolutionTabuSize>-->
          <!--<completePropertyTabuSize>7</completePropertyTabuSize>-->
        <!--</acceptor>-->
        <!--<forager>-->
          <!--<minimalAcceptedSelection>1000</minimalAcceptedSelection>-->
        <!--</forager>-->
      <!--</localSearch>-->
    <!--</solver>-->
  <!--</solverBenchmark>-->
  <!--<solverBenchmark>-->
    <!--<name>propertyTabu11</name>-->
    <!--<solver>-->
      <!--<constructionHeuristic>-->
        <!--<constructionHeuristicType>FIRST_FIT_DECREASING</constructionHeuristicType>-->
        <!--<constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>-->
      <!--</constructionHeuristic>-->
      <!--<localSearch>-->
        <!--<termination>-->
          <!--<maximumUnimprovedStepCount>10</maximumUnimprovedStepCount>-->
        <!--</termination>-->
        <!--<selector>-->
          <!--<selector>-->
            <!--<moveFactoryClass>org.drools.planner.examples.cloudbalancing.solver.move.factory.CloudComputerChangeMoveFactory</moveFactoryClass>-->
          <!--</selector>-->
          <!--<selector>-->
            <!--<moveFactoryClass>org.drools.planner.examples.cloudbalancing.solver.move.factory.CloudAssignmentSwitchMoveFactory</moveFactoryClass>-->
          <!--</selector>-->
        <!--</selector>-->
        <!--<acceptor>-->
          <!--<completeSolutionTabuSize>1000</completeSolutionTabuSize>-->
          <!--<completePropertyTabuSize>11</completePropertyTabuSize>-->
        <!--</acceptor>-->
        <!--<forager>-->
          <!--<minimalAcceptedSelection>1000</minimalAcceptedSelection>-->
        <!--</forager>-->
      <!--</localSearch>-->
    <!--</solver>-->
  <!--</solverBenchmark>-->
</solverBenchmarkSuite>