Package org.drools.planner.core.localsearch.scope

Examples of org.drools.planner.core.localsearch.scope.LocalSearchMoveScope

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    public void decideNextStep(LocalSearchStepScope stepScope) {
        ScoreDirector scoreDirector = stepScope.getScoreDirector();
        int moveIndex = 0;
        for (Move move : moveSelector) {
            LocalSearchMoveScope moveScope = new LocalSearchMoveScope(stepScope);
            moveScope.setMoveIndex(moveIndex);
            moveScope.setMove(move);
            // TODO use Selector filtering to filter out not doable moves
            if (!move.isMoveDoable(scoreDirector)) {
                logger.trace("        Ignoring not doable move ({}).", move);
            } else {
                doMove(moveScope);
                if (forager.isQuitEarly()) {
                    break;
                }
            }
            moveIndex++;
            if (termination.isPhaseTerminated(stepScope.getPhaseScope())) {
                break;
            }
        }
        LocalSearchMoveScope pickedMoveScope = forager.pickMove(stepScope);
        if (pickedMoveScope != null) {
            Move step = pickedMoveScope.getMove();
            stepScope.setStep(step);
            if (logger.isDebugEnabled()) {
                stepScope.setStepString(step.toString());
            }
            stepScope.setUndoStep(pickedMoveScope.getUndoMove());
            stepScope.setScore(pickedMoveScope.getScore());
        }
    }
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        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.stepStarted(localSearchStepScope);
        // Pre conditions
        LocalSearchMoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), true);
        LocalSearchMoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), false);
        LocalSearchMoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), false);
        LocalSearchMoveScope d = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-2), true);
        LocalSearchMoveScope e = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-300), true);
        // Do stuff
        forager.addMove(a);
        assertFalse(forager.isQuitEarly());
        forager.addMove(b);
        assertFalse(forager.isQuitEarly());
        forager.addMove(c);
        assertFalse(forager.isQuitEarly());
        forager.addMove(d);
        assertFalse(forager.isQuitEarly());
        forager.addMove(e);
        assertFalse(forager.isQuitEarly());
        LocalSearchMoveScope pickedScope = forager.pickMove(localSearchStepScope);
        // Post conditions
        assertSame(d, pickedScope);
        forager.phaseEnded(localSearchSolverPhaseScope);
    }
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        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.stepStarted(localSearchStepScope);
        // Pre conditions
        LocalSearchMoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), false);
        LocalSearchMoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), false);
        LocalSearchMoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), false);
        LocalSearchMoveScope d = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-2), false);
        LocalSearchMoveScope e = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-300), false);
        // Do stuff
        forager.addMove(a);
        assertFalse(forager.isQuitEarly());
        forager.addMove(b);
        assertFalse(forager.isQuitEarly());
        forager.addMove(c);
        assertFalse(forager.isQuitEarly());
        forager.addMove(d);
        assertFalse(forager.isQuitEarly());
        forager.addMove(e);
        assertFalse(forager.isQuitEarly());
        LocalSearchMoveScope pickedScope = forager.pickMove(localSearchStepScope);
        // Post conditions
        assertSame(b, pickedScope);
        forager.phaseEnded(localSearchSolverPhaseScope);
    }
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        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.stepStarted(localSearchStepScope);
        // Pre conditions
        LocalSearchMoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), false);
        LocalSearchMoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), true);
        LocalSearchMoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-300), true);
        LocalSearchMoveScope d = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), true);
        // Do stuff
        forager.addMove(a);
        assertFalse(forager.isQuitEarly());
        forager.addMove(b);
        assertFalse(forager.isQuitEarly());
        forager.addMove(c);
        assertFalse(forager.isQuitEarly());
        forager.addMove(d);
        assertTrue(forager.isQuitEarly());
        // Post conditions
        LocalSearchMoveScope pickedScope = forager.pickMove(localSearchStepScope);
        assertSame(d, pickedScope);
        forager.phaseEnded(localSearchSolverPhaseScope);
    }
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        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.stepStarted(localSearchStepScope);
        // Pre conditions
        LocalSearchMoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), false);
        LocalSearchMoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-300), true);
        LocalSearchMoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-4000), true);
        LocalSearchMoveScope d = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), true);
        // Do stuff
        forager.addMove(a);
        assertFalse(forager.isQuitEarly());
        forager.addMove(b);
        assertFalse(forager.isQuitEarly());
        forager.addMove(c);
        assertFalse(forager.isQuitEarly());
        forager.addMove(d);
        assertTrue(forager.isQuitEarly());
        // Post conditions
        LocalSearchMoveScope pickedScope = forager.pickMove(localSearchStepScope);
        assertSame(d, pickedScope);
        forager.phaseEnded(localSearchSolverPhaseScope);
    }
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        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.stepStarted(localSearchStepScope);
        // Pre conditions
        LocalSearchMoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), false);
        LocalSearchMoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), true);
        LocalSearchMoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), true);
        LocalSearchMoveScope d = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), true);
        // Do stuff
        forager.addMove(a);
        assertFalse(forager.isQuitEarly());
        forager.addMove(b);
        assertFalse(forager.isQuitEarly());
        forager.addMove(c);
        assertFalse(forager.isQuitEarly());
        forager.addMove(d);
        assertTrue(forager.isQuitEarly());
        // Post conditions
        LocalSearchMoveScope pickedScope = forager.pickMove(localSearchStepScope);
        assertSame(b, pickedScope);
        forager.phaseEnded(localSearchSolverPhaseScope);
    }
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        LocalSearchStepScope localSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        return localSearchStepScope;
    }

    public LocalSearchMoveScope createMoveScope(LocalSearchStepScope localSearchStepScope, Score score, boolean accepted) {
        LocalSearchMoveScope moveScope = new LocalSearchMoveScope(localSearchStepScope);
        moveScope.setMove(new DummyMove());
        moveScope.setScore(score);
        moveScope.setAccepted(accepted);
        return moveScope;
    }
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        acceptor.phaseStarted(phaseScope);

        // lateScore = -1000
        LocalSearchStepScope stepScope0 = new LocalSearchStepScope(phaseScope);
        stepScope0.setStepIndex(0);
        LocalSearchMoveScope moveScope1 = buildMoveScope(stepScope0, -500);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -900)));
        assertEquals(true, acceptor.isAccepted(moveScope1));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -800)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope0, -2000)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -1000)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -900))); // Repeated call
        stepScope0.setStep(moveScope1.getMove());
        stepScope0.setScore(moveScope1.getScore());
        solverScope.setBestScore(moveScope1.getScore());
        acceptor.stepEnded(stepScope0);

        // lateScore = -1000
        LocalSearchStepScope stepScope1 = new LocalSearchStepScope(phaseScope);
        stepScope1.setStepIndex(1);
        LocalSearchMoveScope moveScope2 = buildMoveScope(stepScope1, -700);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, -900)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope1, -2000)));
        assertEquals(true, acceptor.isAccepted(moveScope2));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, -1000)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope1, -1001)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -900))); // Repeated call
        stepScope1.setStep(moveScope2.getMove());
        stepScope1.setScore(moveScope2.getScore());
        // bestScore unchanged
        acceptor.stepEnded(stepScope1);

        // lateScore = -1000
        LocalSearchStepScope stepScope2 = new LocalSearchStepScope(phaseScope);
        stepScope2.setStepIndex(2);
        LocalSearchMoveScope moveScope4 = buildMoveScope(stepScope1, -400);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope2, -900)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope2, -2000)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope2, -1001)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope2, -1000)));
        assertEquals(true, acceptor.isAccepted(moveScope4));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -900))); // Repeated call
        stepScope2.setStep(moveScope4.getMove());
        stepScope2.setScore(moveScope4.getScore());
        solverScope.setBestScore(moveScope4.getScore());
        acceptor.stepEnded(stepScope2);

        // lateScore = -500
        LocalSearchStepScope stepScope3 = new LocalSearchStepScope(phaseScope);
        stepScope3.setStepIndex(3);
        LocalSearchMoveScope moveScope3 = buildMoveScope(stepScope1, -200);
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, -900)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope3, -500)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, -501)));
        assertEquals(true, acceptor.isAccepted(moveScope3));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, -2000)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope0, -900))); // Repeated call
        stepScope3.setStep(moveScope3.getMove());
        stepScope3.setScore(moveScope3.getScore());
        solverScope.setBestScore(moveScope3.getScore());
        acceptor.stepEnded(stepScope3);

        // lateScore = -700 (not the best score of -500!)
        LocalSearchStepScope stepScope4 = new LocalSearchStepScope(phaseScope);
        stepScope4.setStepIndex(4);
        LocalSearchMoveScope moveScope1Again = buildMoveScope(stepScope1, -300);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope4, -700)));
        assertEquals(true, acceptor.isAccepted(moveScope1Again));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope4, -500)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope4, -2000)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope4, -701)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, -700))); // Repeated call
        stepScope4.setStep(moveScope1Again.getMove());
        stepScope4.setScore(moveScope1Again.getScore());
        // bestScore unchanged
        acceptor.stepEnded(stepScope4);

        // lateScore = -400
        LocalSearchStepScope stepScope5 = new LocalSearchStepScope(phaseScope);
        stepScope5.setStepIndex(5);
        LocalSearchMoveScope moveScope2Again = buildMoveScope(stepScope1, -300);
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope5, -401)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope5, -400)));
        assertEquals(true, acceptor.isAccepted(moveScope2Again));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope5, -2000)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope5, -600)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope0, -401))); // Repeated call
        stepScope5.setStep(moveScope2Again.getMove());
        stepScope5.setScore(moveScope2Again.getScore());
        // bestScore unchanged
        acceptor.stepEnded(stepScope5);
       
        acceptor.phaseEnded(phaseScope);
    }
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        LocalSearchSolverPhaseScope phaseScope = new LocalSearchSolverPhaseScope(solverScope);
        acceptor.phaseStarted(phaseScope);

        LocalSearchStepScope stepScope0 = new LocalSearchStepScope(phaseScope);
        stepScope0.setStepIndex(0);
        LocalSearchMoveScope moveScope1 = buildMoveScope(stepScope0, e1);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, e0)));
        assertEquals(true, acceptor.isAccepted(moveScope1));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, e2)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, e3)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, e4)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope0, e2))); // repeated call
        stepScope0.setStep(moveScope1.getMove());
        acceptor.stepEnded(stepScope0);
       
        LocalSearchStepScope stepScope1 = new LocalSearchStepScope(phaseScope);
        stepScope1.setStepIndex(1);
        LocalSearchMoveScope moveScope2 = buildMoveScope(stepScope1, e2);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, e0)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope1, e1)));
        assertEquals(true, acceptor.isAccepted(moveScope2));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, e3)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, e4)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope1, e2))); // repeated call
        stepScope1.setStep(moveScope2.getMove());
        acceptor.stepEnded(stepScope1);

        LocalSearchStepScope stepScope2 = new LocalSearchStepScope(phaseScope);
        stepScope2.setStepIndex(2);
        LocalSearchMoveScope moveScope4 = buildMoveScope(stepScope2, e4);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope2, e0)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope2, e1)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope2, e2)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope2, e3)));
        assertEquals(true, acceptor.isAccepted(moveScope4));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope2, e2))); // repeated call
        stepScope2.setStep(moveScope4.getMove());
        acceptor.stepEnded(stepScope2);

        LocalSearchStepScope stepScope3 = new LocalSearchStepScope(phaseScope);
        stepScope3.setStepIndex(3);
        LocalSearchMoveScope moveScope3 = buildMoveScope(stepScope3, e3);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope3, e0)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope3, e1)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, e2)));
        assertEquals(true, acceptor.isAccepted(moveScope3));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, e4)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope3, e2))); // repeated call
        stepScope3.setStep(moveScope3.getMove());
        acceptor.stepEnded(stepScope3);

        LocalSearchStepScope stepScope4 = new LocalSearchStepScope(phaseScope);
        stepScope4.setStepIndex(4);
        LocalSearchMoveScope moveScope1Again = buildMoveScope(stepScope4, e1);
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope4, e0)));
        assertEquals(true, acceptor.isAccepted(moveScope1Again));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope4, e2)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope4, e3)));
        assertEquals(false, acceptor.isAccepted(buildMoveScope(stepScope4, e4)));
        assertEquals(true, acceptor.isAccepted(buildMoveScope(stepScope4, e2))); // repeated call
        stepScope4.setStep(moveScope1Again.getMove());
        acceptor.stepEnded(stepScope4);
       
        acceptor.phaseEnded(phaseScope);
    }
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    private LocalSearchMoveScope buildMoveScope(LocalSearchStepScope stepScope, TestdataEntity... entities) {
        return buildMoveScope(stepScope, 0, entities);
    }

    private LocalSearchMoveScope buildMoveScope(LocalSearchStepScope stepScope, int score, TestdataEntity... entities) {
        LocalSearchMoveScope moveScope = new LocalSearchMoveScope(stepScope);
        Move move = mock(Move.class);
        when(move.getPlanningEntities()).thenReturn((Collection) Arrays.asList(entities));
        moveScope.setMove(move);
        moveScope.setScore(new DefaultSimpleScore(score));
        return moveScope;
    }
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