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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using FObjBase;
using System.Collections.ObjectModel;
namespace FLY.Thick.RemoteHistory
{
public class BufferServiceClient<T> : FObj, IBuffer<T>
where T : IPack2, new()
{
#region 延时推送 MARKNO
const int MARKNO_SET_PARAMS = 1;
#endregion
IFConn mConn;
UInt32 mServerID;
#region IBuffer<T>
private int size = 400;
public int Size
{
get { return size; }
set
{
if (value < 100)
value = 100;
if (size != value)
{
size = value;
NotifyPropertyChanged("Size");
}
}
}
private List<T> record = new List<T>();
/// <summary>
/// 每次配料记录
/// </summary>
public List<T> Record
{
get
{
return record;
}
}
public event BufferChangedEventHandler RecordChanged;
void NotifyRecordChanged(bool isAdd, int cnt)
{
if (RecordChanged != null)
{
RecordChanged.Invoke(Record, new BufferChangedEventArgs(isAdd, cnt));
}
}
#endregion
public BufferServiceClient(UInt32 serverid)
{
mServerID = serverid;
this.PropertyChanged += BufferServiceClient_PropertyChanged;
}
public ObservableCollection<T> GetObservableCollection()
{
ObservableCollection<T> datas = new ObservableCollection<T>(Record);
RecordChanged += (s, e) =>
{
if (e.IsAdd)
{
for (int i = 0; i < e.Cnt; i++)
{
int index = Record.Count - e.Cnt + i;
datas.Add(Record[index]);
}
while (datas.Count > Size)
datas.RemoveAt(0);
}
else
{
datas.Clear();
for (int i = 0; i < e.Cnt; i++)
{
datas.Add(Record[i]);
}
}
};
return datas;
}
private void BufferServiceClient_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (
(e.PropertyName == "Size"))
{
FObjBase.PollModule.Current.Poll_JustOnce(
new PollModule.PollHandler(delegate()
{
BUFFER_OBJ_INTERFACE.Pack_Params p = new BUFFER_OBJ_INTERFACE.Pack_Params();
p.size = Size;
CurrObjSys.PushObjInfoEx(
this, BUFFER_OBJ_INTERFACE.SET_PARAMS,
p.ToBytes());
}), this, MARKNO_SET_PARAMS);
}
}
public override void Dispose()
{
CurrObjSys.ObjRemove(
this, mConn);
}
public override void ConnectNotify(IFConn from)
{
mConn = from;
if (from.IsConnected)
{
//获取所有数据，设置推送
CurrObjSys.GetValueEx(
mConn, mServerID, ID,
BUFFER_OBJ_INTERFACE.GET_PARAMS);
CurrObjSys.GetValueEx(
mConn, mServerID, ID,
BUFFER_OBJ_INTERFACE.GET_LIST);
CurrObjSys.SenseConfigEx(
mConn, mServerID, ID,
0xffffffff,
SENSE_CONFIG.ADD);
}
}
public override void PushGetValue(IFConn from, uint srcid, ushort memid, byte[] infodata)
{
switch (memid)
{
case BUFFER_OBJ_INTERFACE.GET_LIST:
{
BUFFER_OBJ_INTERFACE.Pack_List<T> p = new BUFFER_OBJ_INTERFACE.Pack_List<T>();
if (!p.TryParse(infodata))
return;
int cnt = 0;
if (p.list != null)
{
cnt = p.list.Count();
if (cnt > Size)
cnt = Size;
}
if (!p.isAdd)//isChanged
Record.Clear();
if (cnt > 0)
{
Record.AddRange(p.list);
while (Record.Count() > Size)
{
Record.RemoveAt(0);
}
}
NotifyRecordChanged(p.isAdd, cnt);
}
break;
case BUFFER_OBJ_INTERFACE.GET_PARAMS:
{
BUFFER_OBJ_INTERFACE.Pack_Params p = new BUFFER_OBJ_INTERFACE.Pack_Params();
if (!p.TryParse(infodata))
return;
this.PropertyChanged -= BufferServiceClient_PropertyChanged;
Size = p.size;
this.PropertyChanged += BufferServiceClient_PropertyChanged;
}
break;
}
}
public override void PushInfo(IFConn from, uint srcid, ushort infoid, byte[] infodata)
{
PushGetValue(from, srcid, infoid, infodata);
}
#region INotifyPropertyChanged 成员
public event PropertyChangedEventHandler PropertyChanged;
protected void NotifyPropertyChanged(string propertyname)
{
if (PropertyChanged != null)
{
PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyname));
}
}
#endregion
}
}