public void StartListeningTo(string topicName, string recordKey, string fieldName, int topicId)
{
// Ensure we only listen to the topic once - this allows clients to call
// us multiple times
lock (lockObject)
{
// Add the recordKey/fieldName to topicId mapping and start subscribing
var topicFieldKey = new TopicKey(recordKey, fieldName);
if (!topicNameToTopicID.Contains(topicFieldKey))
{
topicNameToTopicID.Add(topicFieldKey, topicId);
topicIDToTopicName.Add(topicId, topicFieldKey);
}
if (listeningToTopics.Contains(topicName))
{
return;
}
if (CreateTopicListener(topicName))
{
listeningToTopics.Add(topicName);
}
}
}
public void RemoveTopic(int topicID)
{
if (topicIDToTopicName.Contains(topicID))
{
TopicKey topicFieldKey = (TopicKey)topicIDToTopicName[topicID];
topicNameToTopicID.Remove(topicFieldKey);
topicIDToTopicName.Remove(topicID);
}
}
private void RegisterGenericChange(string fieldName, string fieldValue)
{
var topicFieldKey = new TopicKey(fieldName, fieldName);
if (_topicNameToTopicId.Contains(topicFieldKey))
{
var topicId = (int)_topicNameToTopicId[topicFieldKey];
// remove incase it is already present
UpdateChangedTopic(topicId, fieldValue);
}
}
private void RegisterGenericChange(string fieldName, string fieldValue)
{
TopicKey topicFieldKey = new TopicKey(fieldName, fieldName);
if (topicNameToTopicID.Contains(topicFieldKey))
{
int topicID = (int)topicNameToTopicID[topicFieldKey];
// remove incase it is already present
changedTopics.Remove(topicID);
changedTopics.Add(topicID, fieldValue);
}
}
private void AddAdminFieldUpdates(string topicKey, IDictionary parsedMessage)
{
var accountPair = "account=" + parsedMessage["account"];
foreach (var fieldName in _accountAdminFields)
{
var recordKey = BuildPositionLookupKey(accountPair, fieldName);
var topicFieldKey = new TopicKey(recordKey, fieldName);
if (_topicNameToTopicId.Contains(topicFieldKey))
{
var topicId = (int)_topicNameToTopicId[topicFieldKey];
// remove incase it is already present
UpdateChangedTopic(topicId, LookupValue(topicKey, fieldName));
}
}
}
private void AddAdminFieldUpdates(string topicKey, IDictionary parsedMessage)
{
string accountPair = "account=" + parsedMessage["account"];
foreach (string fieldName in AccountAdminFields)
{
string recordKey = BuildPositionLookupKey(accountPair, fieldName);
TopicKey topicFieldKey = new TopicKey(recordKey, fieldName);
if (topicNameToTopicID.Contains(topicFieldKey))
{
int topicID = (int)topicNameToTopicID[topicFieldKey];
// remove incase it is already present
changedTopics.Remove(topicID);
changedTopics.Add(topicID, lookupValue(topicKey, fieldName));
}
}
}
private void RegisterChange(string topicKey, IDictionary parsedMessage)
{
// for each topic and record, add them to the list of changed topics
lock (_lockObject)
{
foreach (string fieldName in parsedMessage.Keys)
{
var topicFieldKey = new TopicKey(topicKey, fieldName);
if (_topicNameToTopicId.Contains(topicFieldKey))
{
var topicId = (int)_topicNameToTopicId[topicFieldKey];
// remove incase it is already present
UpdateChangedTopic(topicId, (string)parsedMessage[fieldName]);
}
}
}
// add in the admin fields
AddAdminFieldUpdates(topicKey, parsedMessage);
}
private void RegisterChange(string topicKey, IDictionary parsedMessage)
{
// for each topic and record, add them to the list of changed topics
lock (lockObject)
{
foreach (string fieldName in parsedMessage.Keys)
{
TopicKey topicFieldKey = new TopicKey(topicKey, fieldName);
if (topicNameToTopicID.Contains(topicFieldKey))
{
int topicID = (int)topicNameToTopicID[topicFieldKey];
// remove incase it is already present
changedTopics.Remove(topicID);
changedTopics.Add(topicID, parsedMessage[fieldName]);
}
}
}
// add in the admin fields
AddAdminFieldUpdates(topicKey, parsedMessage);
}
public override bool Equals(Object other)
{
TopicKey otherKey = other as TopicKey;
return(topicName == otherKey.topicName && fieldName == otherKey.fieldName);
}