/**
* Add order to criteria, creating necessary subCriteria if nested sort property (ie.
* sort:'nested.property').
*/
private static void addOrderPossiblyNested(
AbstractHibernateDatastore datastore,
Criteria c,
Class<?> targetClass,
String sort,
String order,
boolean ignoreCase) {
int firstDotPos = sort.indexOf(".");
if (firstDotPos == -1) {
addOrder(c, sort, order, ignoreCase);
} else { // nested property
String sortHead = sort.substring(0, firstDotPos);
String sortTail = sort.substring(firstDotPos + 1);
PersistentProperty property = getGrailsDomainClassProperty(datastore, targetClass, sortHead);
if (property instanceof Embedded) {
// embedded objects cannot reference entities (at time of writing), so no more recursion
// needed
addOrder(c, sort, order, ignoreCase);
} else if (property instanceof Association) {
Criteria subCriteria = c.createCriteria(sortHead);
Class<?> propertyTargetClass =
((Association) property).getAssociatedEntity().getJavaClass();
GrailsHibernateUtil.cacheCriteriaByMapping(datastore, propertyTargetClass, subCriteria);
addOrderPossiblyNested(
datastore,
subCriteria,
propertyTargetClass,
sortTail,
order,
ignoreCase); // Recurse on nested sort
}
}
}
@Override
protected void cacheCriteriaMapping() {
GrailsHibernateUtil.cacheCriteriaByMapping(targetClass, criteria);
}
/**
* Populates criteria arguments for the given target class and arguments map
*
* @param datastore the GrailsApplication instance
* @param targetClass The target class
* @param c The criteria instance
* @param argMap The arguments map
*/
@SuppressWarnings("rawtypes")
public static void populateArgumentsForCriteria(
AbstractHibernateDatastore datastore,
Class<?> targetClass,
Criteria c,
Map argMap,
ConversionService conversionService,
boolean useDefaultMapping) {
Integer maxParam = null;
Integer offsetParam = null;
if (argMap.containsKey(ARGUMENT_MAX)) {
maxParam = conversionService.convert(argMap.get(ARGUMENT_MAX), Integer.class);
}
if (argMap.containsKey(ARGUMENT_OFFSET)) {
offsetParam = conversionService.convert(argMap.get(ARGUMENT_OFFSET), Integer.class);
}
if (argMap.containsKey(ARGUMENT_FETCH_SIZE)) {
c.setFetchSize(conversionService.convert(argMap.get(ARGUMENT_FETCH_SIZE), Integer.class));
}
if (argMap.containsKey(ARGUMENT_TIMEOUT)) {
c.setTimeout(conversionService.convert(argMap.get(ARGUMENT_TIMEOUT), Integer.class));
}
if (argMap.containsKey(ARGUMENT_FLUSH_MODE)) {
c.setFlushMode(convertFlushMode(argMap.get(ARGUMENT_FLUSH_MODE)));
}
if (argMap.containsKey(ARGUMENT_READ_ONLY)) {
c.setReadOnly(ClassUtils.getBooleanFromMap(ARGUMENT_READ_ONLY, argMap));
}
String orderParam = (String) argMap.get(ARGUMENT_ORDER);
Object fetchObj = argMap.get(ARGUMENT_FETCH);
if (fetchObj instanceof Map) {
Map fetch = (Map) fetchObj;
for (Object o : fetch.keySet()) {
String associationName = (String) o;
c.setFetchMode(associationName, getFetchMode(fetch.get(associationName)));
}
}
final int max = maxParam == null ? -1 : maxParam;
final int offset = offsetParam == null ? -1 : offsetParam;
if (max > -1) {
c.setMaxResults(max);
}
if (offset > -1) {
c.setFirstResult(offset);
}
if (ClassUtils.getBooleanFromMap(ARGUMENT_LOCK, argMap)) {
c.setLockMode(LockMode.PESSIMISTIC_WRITE);
c.setCacheable(false);
} else {
if (argMap.containsKey(ARGUMENT_CACHE)) {
c.setCacheable(ClassUtils.getBooleanFromMap(ARGUMENT_CACHE, argMap));
} else {
cacheCriteriaByMapping(targetClass, c);
}
}
final Object sortObj = argMap.get(ARGUMENT_SORT);
if (sortObj != null) {
boolean ignoreCase = true;
Object caseArg = argMap.get(ARGUMENT_IGNORE_CASE);
if (caseArg instanceof Boolean) {
ignoreCase = (Boolean) caseArg;
}
if (sortObj instanceof Map) {
Map sortMap = (Map) sortObj;
for (Object sort : sortMap.keySet()) {
final String order =
ORDER_DESC.equalsIgnoreCase((String) sortMap.get(sort)) ? ORDER_DESC : ORDER_ASC;
addOrderPossiblyNested(datastore, c, targetClass, (String) sort, order, ignoreCase);
}
} else {
final String sort = (String) sortObj;
final String order = ORDER_DESC.equalsIgnoreCase(orderParam) ? ORDER_DESC : ORDER_ASC;
addOrderPossiblyNested(datastore, c, targetClass, sort, order, ignoreCase);
}
} else if (useDefaultMapping) {
Mapping m = getDomainBinder().getMapping(targetClass);
if (m != null) {
Map sortMap = m.getSort().getNamesAndDirections();
for (Object sort : sortMap.keySet()) {
final String order =
ORDER_DESC.equalsIgnoreCase((String) sortMap.get(sort)) ? ORDER_DESC : ORDER_ASC;
addOrderPossiblyNested(datastore, c, targetClass, (String) sort, order, true);
}
}
}
}
public static void cacheCriteriaByMapping(
AbstractHibernateDatastore datastore, Class<?> targetClass, Criteria criteria) {
cacheCriteriaByMapping(targetClass, criteria);
}