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 initPropertyPaths(
final String path,
final Type type,
String[] columns,
final String[] formulaTemplates,
final Mapping factory)
throws MappingException {
if (columns.length != type.getColumnSpan(factory)) {
throw new MappingException("broken column mapping for: " + path + " of: " + getEntityName());
}
if (type.isAssociationType()) {
AssociationType actype = (AssociationType) type;
if (actype.useLHSPrimaryKey()) {
columns = getIdentifierColumnNames();
} else {
String foreignKeyProperty = actype.getLHSPropertyName();
if (foreignKeyProperty != null && !path.equals(foreignKeyProperty)) {
// TODO: this requires that the collection is defined after the
// referenced property in the mapping file (ok?)
columns = (String[]) columnsByPropertyPath.get(foreignKeyProperty);
if (columns == null) return; // get em on the second pass!
}
}
}
if (path != null) addPropertyPath(path, type, columns, formulaTemplates);
if (type.isComponentType()) {
AbstractComponentType actype = (AbstractComponentType) type;
initComponentPropertyPaths(path, actype, columns, formulaTemplates, factory);
if (actype.isEmbedded()) {
initComponentPropertyPaths(
path == null ? null : StringHelper.qualifier(path),
actype,
columns,
formulaTemplates,
factory);
}
} else if (type.isEntityType()) {
initIdentifierPropertyPaths(path, (EntityType) type, columns, factory);
}
}