1,8 → 1,14 |
package ak.hostadmiral.util; |
|
import java.util.Iterator; |
import java.util.Collection; |
import java.util.Map; |
|
import java.util.List; |
import java.util.ArrayList; |
import java.sql.Connection; |
import java.sql.PreparedStatement; |
import java.sql.ResultSet; |
import java.sql.SQLException; |
import net.sf.hibernate.*; |
import net.sf.hibernate.cfg.*; |
import net.sf.hibernate.type.Type; |
135,28 → 141,60 |
hb.transaction = null; |
} |
|
public static Collection pageableList(CollectionInfo info, int pageSize, int pageNumber, |
String query, String[] returnAliases, Class[] returnClasses, |
Object[] values, Type[] types) |
public static List sqlQuery(String query, Object[] values) |
throws ModelException |
{ |
Connection con; |
PreparedStatement stmt; |
|
try { |
// find the collection size if needed |
if(info != null) { |
Query sizeq = HibernateUtil.currentSession().createSQLQuery( |
"select count(*) as {c} from " + query, |
"c", Integer.class); |
con = currentSession().connection(); |
} |
catch(HibernateException ex) { |
throw new ModelException(ex); |
} |
|
if(values != null && types != null) { |
try { |
stmt = con.prepareStatement(query); |
} |
catch(SQLException ex) { |
throw new ModelException(ex); |
} |
|
try { |
if(values != null) { |
for(int i = 0; i < values.length; i++) |
sizeq.setParameter(i, values[i], types[i]); |
stmt.setObject(i+1, values[i]); |
} |
|
info.setSize(((Integer)sizeq.iterate().next()).intValue()); |
List res = new ArrayList(); |
ResultSet rs = stmt.executeQuery(); |
while(rs.next()) { |
res.add(rs.getObject(1)); |
} |
return res; |
} |
catch(SQLException ex) |
{ |
throw new ModelException(ex); |
} |
finally { |
try { |
stmt.close(); |
} |
catch(SQLException ex) { |
ex.printStackTrace(); |
} |
} |
} |
|
// find the collection |
Query hq = HibernateUtil.currentSession().createSQLQuery( |
public static List pageableList(int pageSize, int pageNumber, |
String query, Class classToLoad, String[] returnAliases, Class[] returnClasses, |
Object[] values, Type[] types) |
throws ModelException |
{ |
try { |
Query hq = currentSession().createSQLQuery( |
query, returnAliases, returnClasses); |
|
if(values != null && types != null) { |
169,7 → 207,8 |
hq.setMaxResults(pageSize); |
} |
|
return hq.list(); |
return selectClassColumn(classToLoad, hq.list()); |
// FIXME: really no other way in Hibernate? |
} |
catch(HibernateException ex) |
{ |
177,6 → 216,52 |
} |
} |
|
protected static List selectClassColumn(Class classToLoad, List list) |
throws ModelException |
{ |
List res = new ArrayList(); |
|
if(list == null || list.size() == 0) return res; |
|
Object o = list.get(0); |
if(o == null) |
throw new ModelException( |
"First element in the list is null, cannot determine it type"); |
|
if(!(o instanceof Object[])) { |
if(classToLoad.isInstance(o)) |
return list; |
else |
throw new ModelException("First element in the list is instance of " |
+ o.getClass().getName() + ", which is not java.lang.Object[] or " |
+ classToLoad.getName()); |
} |
|
Object[] oa = (Object[])o; |
int pos = -1; |
|
for(int i = 0; i < oa.length; i++) { |
if(classToLoad.isInstance(oa[i])) { |
if(pos < 0) |
pos = i; |
else |
throw new ModelException("First row of the list has several elements of type " |
+ classToLoad.getName()); |
} |
} |
if(pos < 0) { |
throw new ModelException("First row of the list has no elements of type " |
+ classToLoad.getName()); |
} |
|
for(Iterator i = list.iterator(); i.hasNext(); ) { |
Object[] e = (Object[])i.next(); |
res.add(e[pos]); |
} |
|
return res; |
} |
|
public static String formOrderClause(Integer[] sortingKeys, Map fieldMap) |
throws ModelException |
{ |