protected void validateElementType(Object o) {
if (o != null) {
ModelType<?> obType = ModelType.of(o.getClass());
if (!obType.equals(elementType)) {
throw new IllegalArgumentException(
String.format(
"Cannot add an element of type %s to a collection of %s", obType, elementType));
}
}
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ListViewFactory<?> that = (ListViewFactory<?>) o;
return elementType.equals(that.elementType);
}
@Nullable
public ModelType<?> getUpperBound() {
WildcardWrapper wildcardType = getWildcardType();
if (wildcardType == null) {
return null;
} else {
ModelType<?> upperBound = Simple.typed(wildcardType.getUpperBound());
if (upperBound.equals(UNTYPED)) {
return null;
}
return upperBound;
}
}