public EventBean[] SnapshotUpdate(FilterSpecCompiled filter, ExprNode optionalWhereClause, EventBeanUpdateHelper updateHelper, Attribute[] annotations)
{
using (_agentInstanceContext.EpStatementAgentInstanceHandle.StatementAgentInstanceLock.AcquireReadLock())
{
try
{
var events = SnapshotNoLockWithFilter(filter, annotations, optionalWhereClause, _agentInstanceContext);
if (events.IsEmpty())
{
return(CollectionUtil.EVENTBEANARRAY_EMPTY);
}
var eventsPerStream = new EventBean[3];
var updated = new EventBean[events.Count];
var count = 0;
foreach (var @event in events)
{
updated[count++] = updateHelper.UpdateWCopy(@event, eventsPerStream, _agentInstanceContext);
}
var deleted = events.ToArray();
_rootViewInstance.Update(updated, deleted);
return(updated);
}
finally
{
ReleaseTableLocks(_agentInstanceContext);
}
}
}
public void AddTableUpdateStrategyReceiver(TableMetadata tableMetadata, string statementName, TableUpdateStrategyReceiver receiver, EventBeanUpdateHelper updateHelper, bool isOnMerge)
{
tableMetadata.AddTableUpdateStrategyReceiver(statementName, receiver, updateHelper, isOnMerge);
}
public TableUpdateStrategy GetTableUpdateStrategy(TableMetadata tableMetadata, EventBeanUpdateHelper updateHelper, bool isOnMerge)
{
return(TableUpdateStrategyFactory.ValidateGetTableUpdateStrategy(tableMetadata, updateHelper, isOnMerge));
}
public TableUpdateStrategyIndexNonUnique(EventBeanUpdateHelper updateHelper, ISet <string> affectedIndexNames)
{
_updateHelper = updateHelper;
_affectedIndexNames = affectedIndexNames;
}
public NamedWindowOnMergeActionUpd(ExprEvaluator optionalFilter, EventBeanUpdateHelper updateHelper)
: base(optionalFilter)
{
_updateHelper = updateHelper;
}
public EPPreparedExecuteIUDSingleStreamExecUpdate(FilterSpecCompiled filter, ExprNode optionalWhereClause, Attribute[] annotations, EventBeanUpdateHelper updateHelper, TableUpdateStrategy tableUpdateStrategy, ExprTableAccessNode[] optionalTableNodes, EPServicesContext services)
{
Filter = filter;
OptionalWhereClause = optionalWhereClause;
Annotations = annotations;
UpdateHelper = updateHelper;
TableUpdateStrategy = tableUpdateStrategy;
OptionalTableNodes = optionalTableNodes;
Services = services;
}
public NamedWindowOnUpdateViewFactory(EventType namedWindowEventType, StatementResultService statementResultService, EventBeanUpdateHelper updateHelper)
: base(namedWindowEventType)
{
_statementResultService = statementResultService;
_updateHelper = updateHelper;
}
public void AddTableUpdateStrategyReceiver(string statementName, TableUpdateStrategyReceiver receiver, EventBeanUpdateHelper updateHelper, bool onMerge)
{
var receivers = _stmtNameToUpdateStrategyReceivers.Get(statementName);
if (receivers == null)
{
receivers = new List <TableUpdateStrategyReceiverDesc>(2);
_stmtNameToUpdateStrategyReceivers.Put(statementName, receivers);
}
receivers.Add(new TableUpdateStrategyReceiverDesc(receiver, updateHelper, onMerge));
}
