@Override
public void delete(Long answerNr) throws ProcessingException {
if (!ACCESS.check(new DeleteAnswerPermission())) {
throw new VetoException(TEXTS.get("AuthorizationFailed"));
}
if (answerNr == null) {
throw new ProcessingException("AnswerNr can no be null");
}
SQL.delete(
"delete from answers_choices where answer_id = :AnswerNr",
new NVPair("AnswerNr", answerNr));
SQL.delete("delete from answers where answer_id = :AnswerNr", new NVPair("AnswerNr", answerNr));
}
/** This method is called on server side to load lookup rows. */
@ConfigOperation
@Order(10)
protected List<ILookupRow<T>> execLoadLookupRows(
String originalSql, String preprocessedSql, ILookupCall<T> call) throws ProcessingException {
Object[][] data = SQL.selectLimited(preprocessedSql, call.getMaxRowCount(), call);
if (getConfiguredSortColumn() >= 0) {
sortData(data, getConfiguredSortColumn());
}
try {
Class<?> genericsParameterClass = Object.class;
try {
genericsParameterClass =
TypeCastUtility.getGenericsParameterClass(getClass(), ILookupService.class);
} catch (IllegalArgumentException e) {
LOG.warn(
"Unable to calculate type parameters for lookup service '"
+ getClass().getName()
+ "'. No key type validation will be performed.");
}
return createLookupRowArray(data, call, genericsParameterClass);
} catch (IllegalArgumentException e) {
throw new ProcessingException(
"Unable to load lookup rows for lookup service '" + getClass().getName() + "'.", e);
}
}
/**
* @param formData
* @throws ProcessingException
*/
private void storeAnswerChoice(AnswerFormData formData) throws ProcessingException {
if (BooleanUtility.nvl(formData.getMultipleChoices())) {
if (formData.getChoices().isValueSet() && formData.getChoices().getValue() != null) {
for (Long choiceId : formData.getChoices().getValue()) {
SQL.insert(
" insert into answers_choices (answer_id, choice_id) "
+ " values (:AnswerNr, :ChoiceId) ",
formData,
new NVPair("ChoiceId", choiceId));
}
}
} else {
SQL.insert(
" insert into answers_choices (answer_id, choice_id) " + " values (:AnswerNr, :Choice) ",
formData);
}
}
/**
* @param formData
* @throws ProcessingException
*/
private void loadQuestion(AnswerFormData formData) throws ProcessingException {
SQL.selectInto(
" select question_text, multiple_choices "
+ " from questions "
+ " where question_id = :QuestionNr "
+ " into :QuestionText, :MultipleChoices",
formData);
}
@Override
public AnswerFormData store(AnswerFormData formData) throws ProcessingException {
if (!ACCESS.check(new UpdateAnswerPermission())) {
throw new VetoException(TEXTS.get("AuthorizationFailed"));
}
if (formData.getAnswerNr() == null) {
throw new ProcessingException("AnswerNr can no be null");
}
SQL.update("update answers set name = :YourName where answer_id = :AnswerNr", formData);
SQL.delete("delete from answers_choices where answer_id = :AnswerNr", formData);
storeAnswerChoice(formData);
return formData;
}
@Override
public AnswerFormData create(AnswerFormData formData) throws ProcessingException {
if (!ACCESS.check(new CreateAnswerPermission())) {
throw new VetoException(TEXTS.get("AuthorizationFailed"));
}
SQL.insert(
" insert into answers (name, question_id) " + " values (:YourName, :QuestionNr) ",
formData);
SQL.selectInto(" values IDENTITY_VAL_LOCAL() " + " into :AnswerNr", formData);
if (formData.getAnswerNr() == null) {
throw new ProcessingException("AnswerNr can no be null");
}
storeAnswerChoice(formData);
return formData;
}
/** This method is called on server side to load lookup rows. */
@ConfigOperation
@Order(10)
protected LookupRow[] execLoadLookupRows(
String originalSql, String preprocessedSql, LookupCall call) throws ProcessingException {
Object[][] data = SQL.selectLimited(preprocessedSql, call.getMaxRowCount(), call);
if (getConfiguredSortColumn() >= 0) {
sortData(data, getConfiguredSortColumn());
}
return createLookupRowArray(data, call);
}
@Override
public AnswerFormData load(AnswerFormData formData) throws ProcessingException {
if (!ACCESS.check(new ReadAnswerPermission())) {
throw new VetoException(TEXTS.get("AuthorizationFailed"));
}
if (formData.getAnswerNr() == null) {
throw new ProcessingException("AnswerNr can no be null");
}
SQL.selectInto(
" select question_id, name "
+ " from answers "
+ " where answer_id = :AnswerNr "
+ " into :QuestionNr, :YourName",
formData);
if (formData.getQuestionNr().getValue() == null) {
throw new ProcessingException("QuestionNr can no be null");
}
loadQuestion(formData);
if (BooleanUtility.nvl(formData.getMultipleChoices())) {
SQL.selectInto(
" select choice_id "
+ " from answers_choices "
+ " where answer_id = :AnswerNr "
+ " into :Choices",
formData);
} else {
SQL.selectInto(
" select choice_id "
+ " from answers_choices "
+ " where answer_id = :AnswerNr "
+ " into :Choice",
formData);
}
return formData;
}