/*
* (non-Javadoc)
*
* @see org.seasar.extension.jdbc.ResultSetHandler#handle(java.sql.ResultSet)
*/
@SuppressWarnings("unchecked")
public Object handle(ResultSet rs) throws SQLException {
// Set<String(columnName)>
final Set columnNames = createColumnNames(rs.getMetaData());
// Map<String(columnName), PropertyType>
Map propertyCache = null; // [DAO-118] (2007/08/26)
// Map<String(relationNoSuffix), Map<String(columnName), PropertyType>>
Map relationPropertyCache = null; // [DAO-118] (2007/08/25)
final int relSize = getBeanMetaData().getRelationPropertyTypeSize();
final RelationRowCache relRowCache = new RelationRowCache(relSize);
int count = 0;
while (rs.next()) {
// Lazy initialization because if the result is zero, the cache is
// unused.
if (propertyCache == null) {
propertyCache = createPropertyCache(columnNames);
}
if (relationPropertyCache == null) {
relationPropertyCache = createRelationPropertyCache(columnNames);
}
// Create row instance of base table by row property cache.
final Object row = createRow(rs, propertyCache);
for (int i = 0; i < relSize; ++i) {
RelationPropertyType rpt = getBeanMetaData().getRelationPropertyType(i);
if (rpt == null) {
continue;
}
Object relationRow = null;
Map relKeyValues = new HashMap();
// TODO 1レコード目でnullが返るなら、2レコード目以降は不要では?
RelationKey relKey = createRelationKey(rs, rpt, columnNames, relKeyValues);
if (relKey != null) {
relationRow = relRowCache.getRelationRow(i, relKey);
if (relationRow == null) {
relationRow =
createRelationRow(rs, rpt, columnNames, relKeyValues, relationPropertyCache);
relRowCache.addRelationRow(i, relKey, relationRow);
}
}
if (relationRow != null) {
PropertyDesc pd = rpt.getPropertyDesc();
pd.setValue(row, relationRow);
postCreateRow(relationRow);
}
}
postCreateRow(row);
count++;
if (!fetchHandler.execute(row)) {
break;
}
}
return Integer.valueOf(count);
}
