public <T> List<T> buildResultForList(
ResultSet res,
int containersize,
boolean ispagine,
Class<T> objectType,
RowHandler rowHandler)
throws SQLException {
int rowcount = 0;
if (meta == null) this.cacheResultSetMetaData(res, ispagine);
List<T> results = new ArrayList<T>(containersize);
// Object[] results = new Object[containersize];
boolean go = true;
if (ispagine) go = res.next() && rowcount < getMaxsize();
else go = res.next();
// 从结果集中获取当前游标后maxsize条记录
boolean ismap = Map.class.isAssignableFrom(objectType);
ClassInfo beanInfo = ClassUtil.getClassInfo(objectType);
while (go) {
T record = ResultMap.buildValueObject(res, objectType, this, rowHandler, ismap, beanInfo);
results.add(record);
rowcount++;
if (ispagine) go = res.next() && rowcount < getMaxsize();
else go = res.next();
}
return results;
}
public <T> ResultMap buildResultMap(
ResultSet res,
Class<T> objectType,
RowHandler rowhandler,
int containersize,
boolean ispagine,
int result_type)
throws SQLException {
ResultMap resultMap = new ResultMap();
if (result_type == ResultMap.type_maparray
|| (result_type == ResultMap.type_objectarray && Map.class.isAssignableFrom(objectType))) {
Record[] results = buildResult(res, containersize, ispagine);
resultMap.setCommonresult(results);
if (results != null) resultMap.setSize(results.length);
} else if (result_type == ResultMap.type_list) {
List<T> results = buildResultForList(res, containersize, ispagine, objectType, rowhandler);
resultMap.setCommonresult(results);
if (results != null) resultMap.setSize(results.size());
} else if (result_type == ResultMap.type_objcet) // 分页时，不能指定返回值类型为type_objcet
{
if (!ispagine) {
if (res.next()) {
ClassInfo beanInfo = ClassUtil.getClassInfo(objectType);
boolean ismap = Map.class.isAssignableFrom(objectType);
T result = ResultMap.buildValueObject(res, objectType, this, rowhandler, ismap, beanInfo);
resultMap.setCommonresult(result);
if (result != null) {
resultMap.setSize(1);
}
}
}
// throw new SQLException("");
} else if (result_type == ResultMap.type_objectarray) {
Object[] results =
buildResultForObjectArray(res, containersize, ispagine, objectType, rowhandler);
resultMap.setCommonresult(results);
if (results != null) {
resultMap.setSize(results.length);
}
} else if (result_type == ResultMap.type_xml) {
if (rowhandler == null) {
rowhandler = new XMLRowHandler();
}
resultMap.setCommonresult(
buildResultForXml(res, containersize, ispagine, objectType, rowhandler));
resultMap.setSize(getRowcount());
} else if (result_type == ResultMap.type_null) {
if (rowhandler == null) {
throw new NestedSQLException("rowhandler == null");
}
// resultMap.setCommonresult(buildResultForXml(res, containersize, ispagine,
// objectType, rowhandler));
this.rowcount = buildResult(res, ispagine, rowhandler);
resultMap.setSize(getRowcount());
}
return resultMap;
}
public Object[] buildResultForObjectArray(
ResultSet res, int containersize, boolean ispagine, Class objectType, RowHandler rowHandler)
throws SQLException {
int rowcount = 0;
if (meta == null) this.cacheResultSetMetaData(res, ispagine);
Object[] results = new Object[containersize];
boolean go = true;
if (ispagine) go = res.next() && rowcount < getMaxsize();
else go = res.next();
// 从结果集中获取当前游标后maxsize条记录
boolean ismap = Map.class.isAssignableFrom(objectType);
ClassInfo beanInfo = ClassUtil.getClassInfo(objectType);
while (go) {
if (rowcount == results.length) {
Object[] temp = new Object[results.length + 10];
for (int t = 0; t < results.length; t++) {
temp[t] = results[t];
}
results = temp;
}
Object record =
ResultMap.buildValueObject(res, objectType, this, rowHandler, ismap, beanInfo);
results[rowcount] = record;
rowcount++;
if (ispagine) go = res.next() && rowcount < getMaxsize();
else go = res.next();
}
if (results[0] == null) {
// modified by biaoping.yin on 2005.03.28
return null;
}
Object[] temp = null;
for (int i = 0; i < results.length; i++) {
if (results[i] == null) {
temp = new Object[i];
break;
} else {
temp = new Object[results.length];
}
}
for (int i = 0; i < temp.length; i++) {
temp[i] = results[i];
}
results = temp;
temp = null;
return results;
}
