public PollExecStrategyDBQuery(
HistoricalEventViewableDatabaseFactory factory,
AgentInstanceContext agentInstanceContext,
ConnectionCache connectionCache)
{
_factory = factory;
_agentInstanceContext = agentInstanceContext;
_connectionCache = connectionCache;
_dbInfoList = null;
_outputTypes = factory.OutputTypes;
_columnTypeConversionHook = factory.ColumnTypeConversionHook;
_outputRowConversionHook = factory.OutputRowConversionHook;
}
public override HistoricalEventViewable Activate(AgentInstanceContext agentInstanceContext)
{
ConnectionCache connectionCache = null;
try {
connectionCache =
agentInstanceContext.DatabaseConfigService.GetConnectionCache(
DatabaseName,
PreparedStatementText,
ContextAttributes);
}
catch (DatabaseConfigException e) {
throw new EPException("Failed to obtain connection cache: " + e.Message, e);
}
var pollExecStrategy = new PollExecStrategyDBQuery(this, agentInstanceContext, connectionCache);
return new HistoricalEventViewableDatabase(this, pollExecStrategy, agentInstanceContext);
}
