public static Object Populate( IDataRecord rd, ObjectInfo state )
{
IEntity obj = Entity.New( state.EntityInfo.Type.FullName );
// state
//obj.state.Order = state.Order;
for (int i = 0; i < rd.FieldCount; i++) {
Object fdvalue = rd[i];
if (fdvalue == null || fdvalue == DBNull.Value) continue;
EntityPropertyInfo ep = state.EntityInfo.GetPropertyByColumn( rd.GetName( i ) );
if (ep == null) continue;
try {
if (ep.IsEntity || ep.IsAbstractEntity) {
setEntityPropertyValueById( obj, state, ep, rd.GetInt32( i ) );
}
else {
ep.SetValue( obj, getReaderValue( fdvalue, ep.Type ) );
}
}
catch (Exception ex) {
logger.Error( ex.Message + "=" + ep.Name + "_" + ep.Type );
logger.Error( ex.StackTrace );
throw ex;
}
}
return obj;
}
/// <summary>
/// 查询 t 类型对象的所有数据
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public static IList findAll( Type t ) {
ObjectInfo state = new ObjectInfo( t );
state.includeAll();
IList objList = ObjectPool.FindAll( t );
if (objList == null) {
objList = ObjectDB.FindAll( state );
ObjectPool.AddAll( t, objList );
}
return objList;
}
/// <summary>
/// 根据 id 查询对象
/// </summary>
/// <param name="t">对象的类型</param>
/// <param name="id">对象的 id</param>
/// <returns></returns>
public static IEntity findById( Type t, long id ) {
if (id < 0) return null;
IEntity objCache = ObjectPool.FindOne( t, id );
if (objCache == null) {
ObjectInfo state = new ObjectInfo( t );
objCache = ObjectDB.FindById( id, state );
ObjectPool.Add( objCache );
}
return objCache;
}
private static void setEntityPropertyValueById( IEntity obj, ObjectInfo state, EntityPropertyInfo property, int pid )
{
if (!property.IsAbstractEntity) {
IEntity objValue = Entity.New( property.Type.FullName );
objValue.Id = pid;
// state
//objValue.state = new ObjectInfo( property.Type ).Copy( state );
IEntity objCache = ObjectPool.FindOne( property.Type, objValue.Id );
if (objCache != null) {
objValue = objCache;
}
obj.set( property.Name, objValue );
}
}
public static Object Populate( IDataRecord rd, ObjectInfo state ) {
IEntity obj = Entity.New( state.EntityInfo.Type.FullName );
// state
//obj.state.Order = state.Order;
for (int i = 0; i < rd.FieldCount; i++) {
Object fdvalue = rd[i];
if (fdvalue == null || fdvalue == DBNull.Value) continue;
EntityPropertyInfo ep = state.EntityInfo.GetPropertyByColumn( rd.GetName( i ) );
if (ep == null) continue;
try {
if (ep.IsEntity || ep.IsAbstractEntity) {
Object objId = rd.GetValue( i );
setEntityPropertyValueById( obj, state, ep, cvt.ToLong( objId ) );
}
else {
ep.SetValue( obj, getReaderValue( rd, i, fdvalue, ep.Type ) );
}
}
catch (Exception ex) {
String msg = string.Format( "{0}=>{1}_{2}", ex.Message, ep.Type.FullName, ep.Name );
logger.Error( msg );
logger.Error( ex.StackTrace );
throw new OrmException( msg, ex );
}
}
return obj;
}
public static IList FindList( ObjectInfo state, String sql ) {
IList results = new ArrayList();
IDataReader rd = null;
Hashtable hashtable = new Hashtable();
IDbCommand command = DataFactory.GetCommand( sql, DbContext.getConnection( state.EntityInfo ) );
try {
rd = command.ExecuteReader();
while (rd.Read()) {
IDataRecord record = rd;
Fill_EntityProperty_Ids( record, state.Includer.EntityPropertyList, ref hashtable );
long id = Convert.ToInt64( record["Id"] );
Object cache = ObjectPool.FindOne( state.EntityInfo.Type, id );
if (cache != null) {
results.Add( cache );
}
else {
results.Add( FillUtil.Populate( record, state ) );
}
}
}
catch (Exception ex) {
logger.Error( "sql=>" + sql );
logger.Error( ex.Message );
logger.Error( ex.StackTrace );
throw new OrmException( ex.Message, ex );
}
finally {
OrmHelper.CloseDataReader( rd );
}
if (results.Count == 0) {
return results;
}
return setEntityProperty( state, results, hashtable );
}
public static IList setEntityProperty( ObjectInfo state, IList results, Hashtable _entityProperty_ids )
{
Hashtable selectColumn = null;
if (strUtil.HasText( state.Includer.SelectedProperty ) && (state.Includer.SelectedProperty != "*")) {
selectColumn = SqlBuilder.GetIncludeSelectColumn( state.Includer.SelectedProperty, state.EntityInfo.EntityPropertyList );
}
else {
selectColumn = Includer.getSelectColumnFromInclude( state.Includer.EntityPropertyList );
}
Hashtable propertyList = getEntityPropertyList( state.Includer.EntityPropertyList, _entityProperty_ids, selectColumn, state.Order );
fillPropertyObjectToResultList( ref results, state.EntityInfo.Type, state.Includer.EntityPropertyList, propertyList );
return results;
}
public static Hashtable getEntityPropertyList( IList _includeEntityPropertyList, Hashtable _ep_ids, Hashtable selectColumn, String order )
{
Hashtable hashtable = new Hashtable();
if (_includeEntityPropertyList == null) return hashtable;
foreach (EntityPropertyInfo info in _includeEntityPropertyList) {
String epIds = "";
String[] arrIds = new String[] { };
if (_ep_ids[info.ColumnName] != null)
arrIds = _ep_ids[info.ColumnName].ToString().Trim().TrimEnd( ',' ).Split( ',' );
foreach (String strId in arrIds) {
IEntity cacheObj = ObjectPool.FindOne( info.EntityInfo.Type, cvt.ToLong( strId ) );
if (cacheObj != null) {
hashtable[getPropertyObjectKey( info.Name, cacheObj.Id )] = cacheObj;
}
else {
epIds = epIds + strId + ",";
}
}
epIds = epIds.TrimEnd( ',' );
if (strUtil.IsNullOrEmpty( epIds )) continue;
String col = selectColumn[info.Name].ToString().Trim().TrimEnd( ',' );
if (string.Compare( col, "Id", true ) != 0) {
if (!col.Equals( "*" ) && (("," + col + ",").ToLower().IndexOf( ",id," ) < 0)) {
col = "Id," + col;
}
ObjectInfo cstate = new ObjectInfo( info.EntityInfo );
cstate.IsFindChild = true;
IList list = ObjectDB.Find( cstate, String.Format( "Id in ({0})", epIds ) ).list();
foreach (IEntity objItem in list) {
hashtable[getPropertyObjectKey( info.Name, objItem.Id )] = objItem;
ObjectPool.Add( objItem );
}
}
}
return hashtable;
}
public static IList FindPage( ObjectInfo state, String condition )
{
return FindPageOperation.FindPage( state, condition );
}
/// <summary>
/// ���ݲ�ѯ���������ط�ҳ���ݼ���
/// </summary>
/// <param name="t"></param>
/// <param name="condition">��ѯ����</param>
/// <param name="pageSize">ÿҳ����</param>
/// <returns>��ҳ�����б��������ǰҳ���ܼ�¼������ҳ����</returns>
public static IPageList findPage( Type t, String condition, int pageSize )
{
ObjectInfo state = new ObjectInfo( t );
state.includeAll();
if (pageSize > 0) state.Pager.setSize( pageSize );
IList list = ObjectDB.FindPage( state, condition );
IPageList result = new PageList();
result.Results = list;
result.PageCount = state.Pager.PageCount;
result.RecordCount = state.Pager.RecordCount;
result.Size = pageSize>0 ? pageSize: state.Pager.getSize();
result.PageBar = state.Pager.PageBar;
result.Current = state.Pager.getCurrent();
return result;
}
public static IList FindAll( ObjectInfo state )
{
return FindAllOperation.FindAll( state );
}
public static Query Find( ObjectInfo obj, String condition )
{
return FindByOperation.Find( condition, obj );
}
public ObjectInfo Copy(ObjectInfo state)
{
CacheMinutes = state.CacheMinutes;
Order = state.Order;
IsFindChild = state.IsFindChild;
return this;
}
private void queryChildObjects( int parentResultsCount, ArrayList results, IList oldParentsList, String _no_cached_Ids )
{
int icount = 0;
foreach (EntityInfo info in _state.EntityInfo.ChildEntityList) {
if (icount >= parentResultsCount) {
break;
}
ObjectInfo state = new ObjectInfo( info );
IList list = ObjectDB.Find( state, String.Format( "Id in ({0})", _no_cached_Ids ) ).select( _selectItems ).list();
for (int i = 0; i < list.Count; i++) {
IEntity objc = list[i] as IEntity;
// state
//objc.state = new ObjectInfo( objc.GetType() ).Copy( _state );
results.Add( objc );
oldParentsList.RemoveAt( getIndexOfObject( oldParentsList, objc ) );
ObjectPool.Add( objc );
}
if (list.Count > 0) {
icount += list.Count;
}
}
}
public static IEntity FindById( int id, ObjectInfo state )
{
return FindByIdOperation.FindById( id, state );
}
public Query( String queryString, ObjectInfo state )
{
_whereStr = queryString.Trim();
_state = state;
}
public static IList FindBySql( String sql, Type type )
{
IDatabaseDialect dialect = Entity.GetInfo( type ).Dialect;
sql = dialect.GetLimit( sql );
logger.Info( String.Format( "{0}[FindBySql]{1}", LoggerUtil.SqlPrefix, sql ) );
ObjectInfo state = new ObjectInfo( type );// EntityFactory.New( type.FullName ).state;
state.Includer.IncludeAll();
return EntityPropertyUtil.FindList( state, sql );
}
/// <summary>
/// ����������ѯ
/// </summary>
/// <param name="t"></param>
/// <param name="condition">��ѯ����</param>
/// <returns>���ز�ѯ����Query�����Խ�һ����������ֵ�����õ����</returns>
public static Query find( Type t, String condition )
{
ObjectInfo state = new ObjectInfo( t );
return ObjectDB.Find( state, condition );
}
public Query(String queryString, ObjectInfo state)
{
_whereStr = queryString.Trim();
_state = state;
}