technology/java-spring-boot/src/main/java/org/acme/schooltimetabling/solver/TimeTableConstraintProvider.java [63:71]:
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    Constraint teacherRoomStability(ConstraintFactory constraintFactory) {
        // A teacher prefers to teach in a single room.
        return constraintFactory
                .forEachUniquePair(Lesson.class,
                        Joiners.equal(Lesson::getTeacher))
                .filter((lesson1, lesson2) -> lesson1.getRoom() != lesson2.getRoom())
                .penalize(HardSoftScore.ONE_SOFT)
                .asConstraint("Teacher room stability");
    }
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technology/kubernetes/common/src/main/java/org/acme/common/solver/TimeTableConstraintProvider.java [62:70]:
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    Constraint teacherRoomStability(ConstraintFactory constraintFactory) {
        // A teacher prefers to teach in a single room.
        return constraintFactory
                .forEachUniquePair(Lesson.class,
                        Joiners.equal(Lesson::getTeacher))
                .filter((lesson1, lesson2) -> lesson1.getRoom() != lesson2.getRoom())
                .penalize(HardSoftScore.ONE_SOFT)
                .asConstraint("Teacher room stability");
    }
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technology/java-activemq-quarkus/solver/src/main/java/org/acme/schooltimetabling/solver/TimeTableConstraintProvider.java [62:70]:
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    Constraint teacherRoomStability(ConstraintFactory constraintFactory) {
        // A teacher prefers to teach in a single room.
        return constraintFactory
                .forEachUniquePair(Lesson.class,
                        Joiners.equal(Lesson::getTeacher))
                .filter((lesson1, lesson2) -> lesson1.getRoom() != lesson2.getRoom())
                .penalize(HardSoftScore.ONE_SOFT)
                .asConstraint("Teacher room stability");
    }
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use-cases/school-timetabling/src/main/java/org/acme/schooltimetabling/solver/TimeTableConstraintProvider.java [62:70]:
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    Constraint teacherRoomStability(ConstraintFactory constraintFactory) {
        // A teacher prefers to teach in a single room.
        return constraintFactory
                .forEachUniquePair(Lesson.class,
                        Joiners.equal(Lesson::getTeacher))
                .filter((lesson1, lesson2) -> lesson1.getRoom() != lesson2.getRoom())
                .penalize(HardSoftScore.ONE_SOFT)
                .asConstraint("Teacher room stability");
    }
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hello-world/src/main/java/org/acme/schooltimetabling/solver/TimeTableConstraintProvider.java [62:70]:
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    Constraint teacherRoomStability(ConstraintFactory constraintFactory) {
        // A teacher prefers to teach in a single room.
        return constraintFactory
                .forEachUniquePair(Lesson.class,
                        Joiners.equal(Lesson::getTeacher))
                .filter((lesson1, lesson2) -> lesson1.getRoom() != lesson2.getRoom())
                .penalize(HardSoftScore.ONE_SOFT)
                .asConstraint("Teacher room stability");
    }
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