private PlanningValueRangeDescriptor buildValueRangeDescriptor(ValueRange valueRangeAnnotation) {
switch (valueRangeAnnotation.type()) {
case FROM_SOLUTION_PROPERTY:
return new FromSolutionPropertyPlanningValueRangeDescriptor(this, valueRangeAnnotation);
case FROM_PLANNING_ENTITY_PROPERTY:
return new FromEntityPropertyPlanningValueRangeDescriptor(this, valueRangeAnnotation);
case UNDEFINED:
return new UndefinedPlanningValueRangeDescriptor(this, valueRangeAnnotation);
default:
throw new IllegalStateException(
"The valueRangeType (" + valueRangeAnnotation.type() + ") is not implemented.");
}
// TODO Support plugging in other ValueRange implementations
}
private void validate(ValueRange valueRangeAnnotation) {
if (!valueRangeAnnotation.solutionProperty().equals("")) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ variableDescriptor.getPlanningEntityDescriptor().getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variableDescriptor.getVariableName()
+ ") of type ("
+ valueRangeAnnotation.type()
+ ") with a non-empty solutionProperty ("
+ valueRangeAnnotation.solutionProperty()
+ ").");
}
if (valueRangeAnnotation.planningEntityProperty().equals("")) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ variableDescriptor.getPlanningEntityDescriptor().getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variableDescriptor.getVariableName()
+ ") of type ("
+ valueRangeAnnotation.type()
+ ") with an empty planningEntityProperty ("
+ valueRangeAnnotation.planningEntityProperty()
+ ").");
}
}
private void processPlanningEntityProperty(ValueRange valueRangeAnnotation) {
String planningEntityProperty = valueRangeAnnotation.planningEntityProperty();
PlanningEntityDescriptor planningEntityDescriptor =
variableDescriptor.getPlanningEntityDescriptor();
rangePropertyAccessor =
new ReflectionPropertyAccessor(
planningEntityDescriptor.getPropertyDescriptor(planningEntityProperty));
if (rangePropertyAccessor == null) {
String exceptionMessage =
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variableDescriptor.getVariableName()
+ ") that refers to a planningEntityProperty ("
+ planningEntityProperty
+ ") that does not exist.";
if (planningEntityProperty.length() >= 2
&& Character.isUpperCase(planningEntityProperty.charAt(1))) {
String correctedPlanningEntityProperty =
planningEntityProperty.substring(0, 1).toUpperCase()
+ planningEntityProperty.substring(1);
exceptionMessage +=
" But it probably needs to be correctedPlanningEntityProperty ("
+ correctedPlanningEntityProperty
+ ") instead because the JavaBeans spec states"
+ " the first letter should be a upper case if the second is upper case.";
}
throw new IllegalArgumentException(exceptionMessage);
}
if (!Collection.class.isAssignableFrom(rangePropertyAccessor.getPropertyType())) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variableDescriptor.getVariableName()
+ ") that refers to a planningEntityProperty ("
+ planningEntityProperty
+ ") that does not return a Collection.");
}
}