/// <summary>
/// Update a single field to all the subscribers
/// </summary>
/// <param name="myID"></param>
/// <param name="myValue"></param>
protected void DoUpdate(string myID, string myValue)
{
try
{
// if we have some observers
if (m_Subscribers.Count > 0)
{
// create a list of changed fields with their current values
System.Collections.Generic.List<KaiTrade.Interfaces.IField> myFieldList = new List<KaiTrade.Interfaces.IField>();
K2DataObjects.Field myField = new K2DataObjects.Field(myID, myValue);
// add the current time as the update time to the list
K2DataObjects.Field myUpdTimeField;
myUpdTimeField = new K2DataObjects.Field("UPDTIME", System.Environment.TickCount.ToString());
myFieldList.Add(myUpdTimeField);
myFieldList.Add(myField);
// send the update to all our observers
foreach (KaiTrade.Interfaces.ISubscriber mySubscriber in m_Subscribers)
{
try
{
mySubscriber.OnUpdate(this, myFieldList);
}
catch (Exception myE)
{
m_Log.Error("doUpdate - invoke", myE);
}
}
}
}
catch (Exception myE)
{
m_Log.Error("doUpdate", myE);
}
}
/// <summary>
/// Update a field, this adds/updates the feilds awaiting an update
/// and updates the corresponding image field
/// </summary>
/// <param name="myID"></param>
/// <param name="myValue"></param>
protected virtual void updateField(string myID, string myValue)
{
try
{
// first set the field in the iamge
setImageField(myID, myValue);
// Now add/update the set of updated fields
KaiTrade.Interfaces.IField myField;
if (m_UpdateFields.ContainsKey(myID))
{
myField = m_UpdateFields[myID];
myField.Value = myValue;
}
else
{
myField = new K2DataObjects.Field(myID, myValue);
m_UpdateFields.Add(myID, myField);
}
}
catch (Exception myE)
{
m_Log.Error("updateField", myE);
}
}
void KaiTrade.Interfaces.IPublisher.Subscribe(KaiTrade.Interfaces.ISubscriber mySubscriber)
{
try
{
m_Subscribers.Add(mySubscriber);
//myObserver.OnStatusChange(m_StatusInfo); //PTR
// send an initial image
System.Collections.Generic.List<KaiTrade.Interfaces.IField> myFieldList = new List<KaiTrade.Interfaces.IField>();
K2DataObjects.Field myField = new K2DataObjects.Field("IMAGE", "IMAGE");
myFieldList.Add(myField);
mySubscriber.OnImage(this, myFieldList);
}
catch (Exception myE)
{
m_Log.Error("Publisher.Subscribe", myE);
}
}
/// <summary>
/// Add a field into the image
/// </summary>
/// <param name="myID"></param>
/// <param name="myValue"></param>
protected void setImageField(string myID, string myValue)
{
try
{
KaiTrade.Interfaces.IField myField;
if (m_Fields.ContainsKey(myID))
{
myField = m_Fields[myID];
myField.Value = myValue;
}
else
{
myField = new K2DataObjects.Field(myID, myValue);
m_Fields.Add(myID, myField);
}
}
catch (Exception myE)
{
m_Log.Error("setImageField", myE);
}
}
