private void processNullable(PlanningVariable planningVariableAnnotation) {
nullable = planningVariableAnnotation.nullable();
if (nullable && variablePropertyAccessor.getPropertyType().isPrimitive()) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variablePropertyAccessor.getName()
+ ") with nullable ("
+ nullable
+ "), which is not compatible with the primitive propertyType ("
+ variablePropertyAccessor.getPropertyType()
+ ").");
}
Class<? extends SelectionFilter> reinitializeVariableEntityFilterClass =
planningVariableAnnotation.reinitializeVariableEntityFilter();
if (reinitializeVariableEntityFilterClass
== PlanningVariable.NullReinitializeVariableEntityFilter.class) {
reinitializeVariableEntityFilterClass = null;
}
if (reinitializeVariableEntityFilterClass != null) {
reinitializeVariableEntityFilter =
ConfigUtils.newInstance(
this, "reinitializeVariableEntityFilterClass", reinitializeVariableEntityFilterClass);
} else {
reinitializeVariableEntityFilter = new NullValueReinitializeVariableEntityFilter(this);
}
}
private void processValueRangeAnnotation() {
Method propertyGetter = variablePropertyAccessor.getReadMethod();
ValueRange valueRangeAnnotation = propertyGetter.getAnnotation(ValueRange.class);
ValueRanges valueRangesAnnotation = propertyGetter.getAnnotation(ValueRanges.class);
if (valueRangeAnnotation != null) {
if (valueRangesAnnotation != null) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variablePropertyAccessor.getName()
+ ") that has a @ValueRange and @ValueRanges annotation: fold them into 1 @ValueRanges.");
}
valueRangeDescriptor = buildValueRangeDescriptor(valueRangeAnnotation);
} else {
if (valueRangesAnnotation == null) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variablePropertyAccessor.getName()
+ ") that has no @ValueRange or @ValueRanges annotation.");
}
List<PlanningValueRangeDescriptor> valueRangeDescriptorList =
new ArrayList<PlanningValueRangeDescriptor>(valueRangesAnnotation.value().length);
for (ValueRange partialValueRangeAnnotation : valueRangesAnnotation.value()) {
valueRangeDescriptorList.add(buildValueRangeDescriptor(partialValueRangeAnnotation));
}
valueRangeDescriptor =
new CompositePlanningValueRangeDescriptor(this, valueRangeDescriptorList);
}
}
private void processChained(PlanningVariable planningVariableAnnotation) {
chained = planningVariableAnnotation.chained();
if (chained
&& !variablePropertyAccessor
.getPropertyType()
.isAssignableFrom(planningEntityDescriptor.getPlanningEntityClass())) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variablePropertyAccessor.getName()
+ ") with chained ("
+ chained
+ ") and propertyType ("
+ variablePropertyAccessor.getPropertyType()
+ ") which is not a superclass/interface of or the same as the planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ").");
}
if (chained && nullable) {
throw new IllegalArgumentException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") has a PlanningVariable annotated property ("
+ variablePropertyAccessor.getName()
+ ") with chained ("
+ chained
+ "), which is not compatible with nullable ("
+ nullable
+ ").");
}
}
private void processStrength(PlanningVariable planningVariableAnnotation) {
Class<? extends Comparator> strengthComparatorClass =
planningVariableAnnotation.strengthComparatorClass();
if (strengthComparatorClass == PlanningVariable.NullStrengthComparator.class) {
strengthComparatorClass = null;
}
Class<? extends SelectionSorterWeightFactory> strengthWeightFactoryClass =
planningVariableAnnotation.strengthWeightFactoryClass();
if (strengthWeightFactoryClass == PlanningVariable.NullStrengthWeightFactory.class) {
strengthWeightFactoryClass = null;
}
if (strengthComparatorClass != null && strengthWeightFactoryClass != null) {
throw new IllegalStateException(
"The planningEntityClass ("
+ planningEntityDescriptor.getPlanningEntityClass()
+ ") property ("
+ variablePropertyAccessor.getName()
+ ") cannot have a strengthComparatorClass ("
+ strengthComparatorClass.getName()
+ ") and a strengthWeightFactoryClass ("
+ strengthWeightFactoryClass.getName()
+ ") at the same time.");
}
if (strengthComparatorClass != null) {
Comparator<Object> strengthComparator =
ConfigUtils.newInstance(this, "strengthComparatorClass", strengthComparatorClass);
valueSorter.setStrengthComparator(strengthComparator);
}
if (strengthWeightFactoryClass != null) {
SelectionSorterWeightFactory strengthWeightFactory =
ConfigUtils.newInstance(this, "strengthWeightFactoryClass", strengthWeightFactoryClass);
valueSorter.setStrengthWeightFactory(strengthWeightFactory);
}
}
private void processPropertyAnnotations() {
PlanningVariable planningVariableAnnotation =
variablePropertyAccessor.getReadMethod().getAnnotation(PlanningVariable.class);
valueSorter = new PlanningValueSorter();
processNullable(planningVariableAnnotation);
processStrength(planningVariableAnnotation);
processChained(planningVariableAnnotation);
processValueRangeAnnotation();
}
@Override
public String toString() {
return getClass().getSimpleName()
+ "("
+ variablePropertyAccessor.getName()
+ " of "
+ planningEntityDescriptor.getPlanningEntityClass().getName()
+ ")";
}
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.");
}
}
public void setValue(Object entity, Object value) {
variablePropertyAccessor.executeSetter(entity, value);
}
public Object getValue(Object entity) {
return variablePropertyAccessor.executeGetter(entity);
}
public Class<?> getVariablePropertyType() {
return variablePropertyAccessor.getPropertyType();
}
public String getVariableName() {
return variablePropertyAccessor.getName();
}
public Collection<Object> extractValues(Object entity) {
return (Collection<Object>) rangePropertyAccessor.executeGetter(entity);
}