public void Ready(StatementContextRuntimeServices services)
{
var hasContext = false;
for (var i = 0; i < Processors.Length; i++) {
hasContext |= Processors[i].ContextName != null;
}
if (ContextName == null) {
if (Processors.Length == 1) {
if (!hasContext) {
SelectExec = FAFQueryMethodSelectExecNoContextNoJoin.INSTANCE;
}
else {
SelectExec = FAFQueryMethodSelectExecSomeContextNoJoin.INSTANCE;
}
}
else {
if (!hasContext) {
SelectExec = FAFQueryMethodSelectExecNoContextJoin.INSTANCE;
}
else {
SelectExec = FAFQueryMethodSelectExecSomeContextJoin.INSTANCE;
}
}
}
else {
if (Processors.Length != 1) {
throw new UnsupportedOperationException("Context name is not supported in a join");
}
if (!hasContext) {
throw new UnsupportedOperationException("Query target is unpartitioned");
}
SelectExec = FAFQueryMethodSelectExecGivenContextNoJoin.INSTANCE;
}
if (!Subselects.IsEmpty()) {
FAFQueryMethodUtil.InitializeSubselects(services, Annotations, Subselects);
}
}
public EPPreparedQueryResult Execute(
AtomicBoolean serviceStatusProvider,
FAFQueryMethodAssignerSetter assignerSetter,
ContextPartitionSelector[] contextPartitionSelectors,
ContextManagementService contextManagementService)
{
if (!serviceStatusProvider.Get()) {
throw FAFQueryMethodUtil.RuntimeDestroyed();
}
if (contextPartitionSelectors != null && contextPartitionSelectors.Length != Processors.Length) {
throw new ArgumentException(
"The number of context partition selectors does not match the number of named windows or tables in the from-clause");
}
try {
return SelectExec.Execute(this, contextPartitionSelectors, assignerSetter, contextManagementService);
}
finally {
if (HasTableAccess) {
Processors[0].StatementContext.TableExprEvaluatorContext.ReleaseAcquiredLocks();
}
}
}
