public static void processDynamicFilterParameters(
final String sqlFragment, final ParameterContainer container, final HqlSqlWalker walker) {
if (walker.getEnabledFilters().isEmpty()
&& (!hasDynamicFilterParam(sqlFragment))
&& (!(hasCollectionFilterParam(sqlFragment)))) {
return;
}
Dialect dialect = walker.getSessionFactoryHelper().getFactory().getDialect();
String symbols =
new StringBuffer()
.append(ParserHelper.HQL_SEPARATORS)
.append(dialect.openQuote())
.append(dialect.closeQuote())
.toString();
StringTokenizer tokens = new StringTokenizer(sqlFragment, symbols, true);
StringBuffer result = new StringBuffer();
while (tokens.hasMoreTokens()) {
final String token = tokens.nextToken();
if (token.startsWith(ParserHelper.HQL_VARIABLE_PREFIX)) {
final String filterParameterName = token.substring(1);
final String[] parts = LoadQueryInfluencers.parseFilterParameterName(filterParameterName);
final FilterImpl filter = (FilterImpl) walker.getEnabledFilters().get(parts[0]);
final Object value = filter.getParameter(parts[1]);
final Type type = filter.getFilterDefinition().getParameterType(parts[1]);
final String typeBindFragment =
StringHelper.join(
",",
ArrayHelper.fillArray(
"?", type.getColumnSpan(walker.getSessionFactoryHelper().getFactory())));
final String bindFragment =
(value != null && Collection.class.isInstance(value))
? StringHelper.join(
",", ArrayHelper.fillArray(typeBindFragment, ((Collection) value).size()))
: typeBindFragment;
result.append(bindFragment);
container.addEmbeddedParameter(
new DynamicFilterParameterSpecification(parts[0], parts[1], type));
} else {
result.append(token);
}
}
container.setText(result.toString());
}
protected void initPersisters(
final List associations,
final LockOptions lockOptions,
final AssociationInitCallback callback)
throws MappingException {
final int joins = countEntityPersisters(associations);
final int collections = countCollectionPersisters(associations);
collectionOwners = collections == 0 ? null : new int[collections];
collectionPersisters = collections == 0 ? null : new CollectionPersister[collections];
collectionSuffixes = BasicLoader.generateSuffixes(joins + 1, collections);
this.lockOptions = lockOptions;
persisters = new Loadable[joins];
aliases = new String[joins];
owners = new int[joins];
ownerAssociationTypes = new EntityType[joins];
lockModeArray = ArrayHelper.fillArray(lockOptions.getLockMode(), joins);
int i = 0;
int j = 0;
Iterator iter = associations.iterator();
while (iter.hasNext()) {
final OuterJoinableAssociation oj = (OuterJoinableAssociation) iter.next();
if (!oj.isCollection()) {
persisters[i] = (Loadable) oj.getJoinable();
aliases[i] = oj.getRHSAlias();
owners[i] = oj.getOwner(associations);
ownerAssociationTypes[i] = (EntityType) oj.getJoinableType();
callback.associationProcessed(oj, i);
i++;
} else {
QueryableCollection collPersister = (QueryableCollection) oj.getJoinable();
if (oj.getJoinType() == JoinType.LEFT_OUTER_JOIN && !oj.hasRestriction()) {
// it must be a collection fetch
collectionPersisters[j] = collPersister;
collectionOwners[j] = oj.getOwner(associations);
j++;
}
if (collPersister.isOneToMany()) {
persisters[i] = (Loadable) collPersister.getElementPersister();
aliases[i] = oj.getRHSAlias();
callback.associationProcessed(oj, i);
i++;
}
}
}
if (ArrayHelper.isAllNegative(owners)) owners = null;
if (collectionOwners != null && ArrayHelper.isAllNegative(collectionOwners)) {
collectionOwners = null;
}
}