@SuppressWarnings("unchecked")
protected boolean setValueFromResultSet(Object obj, ResultSet rs) throws SQLException {
Object value = rs.getObject(this.getColumnName());
if (value != null) {
try {
T bean = dao.newEntityInstance();
FieldUtils.writeField(bean, dao.getPKColumn().getFieldName(), value, true);
if (preFetch) {
Class<T> beanClass = dao.getEnitityClass();
bean = DBContext.getDAO(beanClass).queryByPK(DBContext.getContext(), bean);
} else {
Enhancer enhancer = new Enhancer();
enhancer.setSuperclass(beanClass);
enhancer.setCallback(new DBObjectProxy<T>(pkColumn, obj, bean, getFieldName()));
bean = (T) enhancer.create();
FieldUtils.writeField(bean, dao.getPKColumn().getFieldName(), value, true);
}
FieldUtils.writeField(obj, getFieldName(), bean, true);
return true;
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
return false;
}
}
public LIST(Class<T> beanClass, String name, DBColumn fkColumn, boolean preFetch) {
super(name, false, false);
this.beanClass = beanClass;
this.fkColumn = fkColumn;
this.preFetch = preFetch;
this.dao = DBContext.getDAO(beanClass);
}
public DBContextTest(String templateFile) {
try {
RuntimeSingleton.init(new Properties());
Template template = RuntimeSingleton.getTemplate(templateFile);
DBContext dbc = new DBContext();
Hashtable h = new Hashtable();
h.put("Bar", "this is from a hashtable!");
dbc.put("string", "Hello!");
dbc.put("hashtable", h);
Writer writer = new BufferedWriter(new OutputStreamWriter(System.out));
template.merge(dbc, writer);
writer.flush();
writer.close();
} catch (Exception e) {
RuntimeSingleton.error(e);
}
}
@SuppressWarnings("unchecked")
protected void setListValue(Object obj) {
List<T> list = null;
DBCondition condition = fkColumn.equalsTo(obj);
if (preFetch) {
list = dao.query(DBContext.getContext(), condition);
} else {
Enhancer enhancer = new Enhancer();
enhancer.setSuperclass(ArrayList.class);
enhancer.setCallback(new DBListProxy<T>(obj, beanClass, getFieldName(), condition));
list = (List<T>) enhancer.create();
}
try {
FieldUtils.writeField(obj, getFieldName(), list, true);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public String getTypeInSQL(DBContext ctx) {
return ctx.getDBType().getStringType(30);
}
public String getValueInSQL(DBContext ctx, Object value) {
Date v = (Date) value;
return ctx.getDBType().getValueInSQL(v);
}
public String getValueInSQL(DBContext ctx, Object value) {
Boolean v = (Boolean) value;
return ctx.getDBType().getValueInSQL(v.booleanValue());
}
public String getTypeInSQL(DBContext ctx) {
return ctx.getDBType().getBooleanType();
}
public String getTypeInSQL(DBContext ctx) {
return ctx.getDBType().getDoubleType();
}
private void init(Class<T> beanClass) {
this.beanClass = beanClass;
this.dao = DBContext.getDAO(beanClass);
this.pkColumn = dao.getPKColumn();
}
