ACustomIdDao.java 文件源码

private boolean determineDeleteInBatchSupported(final Class<?> genericType) {
    final MutableBoolean deleteInBatchSupported = new MutableBoolean(true);
    Reflections.doWithFields(genericType, new FieldCallback() {
        @Override
        public void doWith(final Field field) {
            if (!deleteInBatchSupported.getValue()) {
                return;
            } else if (Reflections.getAnnotation(field, ElementCollection.class) != null) {
                //element collections are mapped as separate tables, thus the values would cause a foreign key constraint violation
                deleteInBatchSupported.setValue(false);
            } else if (Reflections.getAnnotation(field, Embedded.class) != null) {
                //check embedded types for the same constraints
                if (!determineDeleteInBatchSupported(field.getType())) {
                    deleteInBatchSupported.setValue(false);
                }
            }
        }
    });
    return deleteInBatchSupported.getValue();
}