ge0ffrey

import accumulate org.optaplanner.examples.tennis.solver.drools.functions.LoadBalanceAccumulateFunction loadBalance;

rule "fairAssignmentCountPerTeam"
    when
        accumulate(
            $t : Team()
            and accumulate(
                TeamAssignment(team == $t);
                $assignmentCount : count()
            );

ge0ffrey

rule "fairAssignmentCountPerTeam"
    when
        accumulate(
            $t : Team()
            and accumulate(
                $a : TeamAssignment(team == $t);
                $teamTotal : count($a)
            );
            $total : sum($teamTotal.intValue() * $teamTotal.intValue())
        )

ge0ffrey

Requirements:
1) Parse n properties from a Map
2) Fail fast with good error message if such a property is not the correct type (for example partCount is not an int)
3) Fail fast if an unknown key is in the Map
4) Do not modify the Map because it is reused

Proposal A:

    public void applyCustomProperties(Map<String, String> customPropertyMap) {
        String partCountString = customPropertyMap.remove("partCount"); // BUG: MODIFIES MAP

ge0ffrey

rule "Fairness standard deviation"
when
  accumulate (
    $c : candidate
	  accumulate ( 
		  $f : FederalState ( winningCandidate == $c );
		  $candidateSum : sum( $f.getElectoralVotes() )
	  );
    $variance : sum($candidateSum * $candidateSum)
  )

ge0ffrey

When running KieContainerSolverFactoryTest, I get:


java.lang.NoClassDefFoundError: org/kie/internal/builder/conf/RuleEngineOption

	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at org.junit.internal.MethodSorter.getDeclaredMethods(MethodSorter.java:54)
	at org.junit.runners.model.TestClass.scanAnnotatedMembers(TestClass.java:65)

ge0ffrey

2016-11-04 16:18:49,052 [AWT-EventQueue-0] INFO  Opened: data/cloudbalancing/unsolved/100computers-300processes.xml
2016-11-04 16:18:51,737 [SwingWorker-pool-4-thread-7] INFO  Solving started: time spent (1), best score (-300init/0hard/0soft), environment mode (REPRODUCIBLE), random (JDK with seed 0).
2016-11-04 16:18:51,738 [pool-1-thread-24] DEBUG     CH step (0), time spent (2), score (-74init/0hard/-1400soft), selected move count (25), picked move (CloudProcess-24 {null -> CloudComputer-64}).
2016-11-04 16:18:51,738 [pool-1-thread-21] DEBUG     CH step (0), time spent (2), score (-74init/0hard/-1070soft), selected move count (25), picked move (CloudProcess-257 {null -> CloudComputer-93}).
2016-11-04 16:18:51,738 [pool-1-thread-24] DEBUG     CH step (1), time spent (2), score (-73init/0hard/-3000soft), selected move count (25), picked move (CloudProcess-204 {null -> CloudComputer-8}).
2016-11-04 16:18:51,738 [pool-1-thread-24] DEBUG     CH step (2), time spent (2), score (-72init/0hard/-4070soft), selected

ge0ffrey

15:21:36.775 [main] DEBUG o.d.c.k.b.impl.KieRepositoryImpl - Cannot load a KieRepositoryScanner, using the DummyKieScanner
java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.kie.api.builder.KieScannerFactoryService'
	at org.kie.internal.utils.ServiceRegistryImpl.get(ServiceRegistryImpl.java:169) ~[kie-internal-7.0.0-20160824.165432-310.jar:7.0.0-SNAPSHOT]
	at org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieScannerHolder.getInternalKieScanner(KieRepositoryImpl.java:88) [drools-compiler-7.0.0-20160824.170017-483.jar:7.0.0-SNAPSHOT]
	at org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieScannerHolder.<clinit>(KieRepositoryImpl.java:80) [drools-compiler-7.0.0-20160824.170017-483.jar:7.0.0-SNAPSHOT]
	at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:130) [drools-compiler-7.0.0-20160824.170017-483.jar:7.0.0-SNAPSHOT]
	at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:117) [drools-co

ge0ffrey

public class TwMain {

    // I have 8 cores.
    // If I set this to 2, then my CPU is at 25%
    // If I set this to 4, then my CPU is at 50%
    // If I set this to 6, then my CPU is at 74%
    // If I set this to 8, then my CPU is at 98%
    // If I set this to 10, then my CPU is at 98%
    private static final int ACTIVE_THREAD_LIMIT = 10;

ge0ffrey

ublic class TwMain {

    private final static Semaphore SEMAPHORE = new Semaphore(2, true);

    public static void main(String[] args) {
        for (int i = 0; i < 6; i++) {
            StringBuilder name = new StringBuilder();
            for (int j = 0; j < i + 1; j++) {
                name.append(i);
            }

ge0ffrey

This rule:


// Identical shiftTypes during a weekend
rule "identicalShiftTypesDuringWeekend"
    when
        $contractLine : BooleanContractLine(contractLineType == ContractLineType.IDENTICAL_SHIFT_TYPES_DURING_WEEKEND,
            enabled == true, $contract : contract)
        $employee : Employee(contract == $contract, $weekendLength : weekendLength)
        ShiftDate(dayOfWeek == DayOfWeek.SUNDAY, $sundayIndex : dayIndex)