datastoreMappingsByJDBCType = new MultiMap();
datastoreMappingsBySQLType = new MultiMap();
datastoreMappingsByJavaType = new MultiMap();
ExtensionPoint exPoint = mgr.getExtensionPoint("org.jpox.store_datastoremapping");
for (int i=0; i<exPoint.getExtensions().length; i++)
{
ConfigurationElement[] elms = exPoint.getExtensions()[i].getConfigurationElements();
for (int e=0; e<elms.length; e++)
{
String javaName = elms[e].getAttribute("java-type").trim();
String rdbmsMappingClassName = elms[e].getAttribute("rdbms-mapping-class");
String jdbcType = elms[e].getAttribute("jdbc-type");