public StmtClassForgableAIFactoryProviderCreateIndex(
string className,
CodegenNamespaceScope namespaceScope,
StatementAgentInstanceFactoryCreateIndexForge forge)
: base(className, namespaceScope)
{
this.forge = forge;
}
public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
var spec = @base.StatementSpec.Raw.CreateIndexDesc;
var infraName = spec.WindowName;
var namedWindow = services.NamedWindowCompileTimeResolver.Resolve(infraName);
var table = services.TableCompileTimeResolver.Resolve(infraName);
if (namedWindow == null && table == null) {
throw new ExprValidationException("A named window or table by name '" + infraName + "' does not exist");
}
if (namedWindow != null && table != null) {
throw new ExprValidationException("A named window or table by name '" + infraName + "' are both found");
}
string infraModuleName;
NameAccessModifier infraVisibility;
EventType indexedEventType;
string infraContextName;
if (namedWindow != null) {
infraModuleName = namedWindow.NamedWindowModuleName;
infraVisibility = namedWindow.EventType.Metadata.AccessModifier;
indexedEventType = namedWindow.EventType;
infraContextName = namedWindow.ContextName;
}
else {
infraModuleName = table.TableModuleName;
infraVisibility = table.TableVisibility;
indexedEventType = table.InternalEventType;
infraContextName = table.OptionalContextName;
if (!table.IsKeyed) {
throw new ExprValidationException(
"Tables without primary key column(s) do not allow creating an index");
}
}
EPLValidationUtil.ValidateContextName(
namedWindow == null,
infraName,
infraContextName,
@base.StatementSpec.Raw.OptionalContextName,
true);
// validate index
var explicitIndexDesc = EventTableIndexUtil.ValidateCompileExplicitIndex(
spec.IndexName,
spec.IsUnique,
spec.Columns,
indexedEventType,
@base.StatementRawInfo,
services);
var advancedIndexDesc = explicitIndexDesc.AdvancedIndexProvisionDesc == null
? null
: explicitIndexDesc.AdvancedIndexProvisionDesc.IndexDesc.AdvancedIndexDescRuntime;
var imk = new IndexMultiKey(
spec.IsUnique,
explicitIndexDesc.HashPropsAsList,
explicitIndexDesc.BtreePropsAsList,
advancedIndexDesc);
// add index as a new index to module-init
var indexKey = new IndexCompileTimeKey(
infraModuleName,
infraName,
infraVisibility,
namedWindow != null,
spec.IndexName,
@base.ModuleName);
services.IndexCompileTimeRegistry.NewIndex(indexKey, new IndexDetailForge(imk, explicitIndexDesc));
// add index current named window information
if (namedWindow != null) {
namedWindow.AddIndex(spec.IndexName, @base.ModuleName, imk, explicitIndexDesc.ToRuntime());
}
else {
table.AddIndex(spec.IndexName, @base.ModuleName, imk, explicitIndexDesc.ToRuntime());
}
var statementFieldsClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementFields), classPostfix);
var namespaceScope = new CodegenNamespaceScope(
@namespace, statementFieldsClassName, services.IsInstrumented);
var fieldsForgable = new StmtClassForgableStmtFields(statementFieldsClassName, namespaceScope, 0);
var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementAIFactoryProvider),
classPostfix);
var forge = new StatementAgentInstanceFactoryCreateIndexForge(
indexedEventType,
spec.IndexName,
@base.ModuleName,
explicitIndexDesc,
imk,
namedWindow,
table);
var aiFactoryForgable = new StmtClassForgableAIFactoryProviderCreateIndex(
aiFactoryProviderClassName,
namespaceScope,
forge);
var selectSubscriberDescriptor = new SelectSubscriberDescriptor();
var informationals = StatementInformationalsUtil.GetInformationals(
@base,
new EmptyList<FilterSpecCompiled>(),
new EmptyList<ScheduleHandleCallbackProvider>(),
new EmptyList<NamedWindowConsumerStreamSpec>(),
true,
selectSubscriberDescriptor,
namespaceScope,
services);
var statementProviderClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
var stmtProvider = new StmtClassForgableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
IList<StmtClassForgable> forgables = new List<StmtClassForgable>();
forgables.Add(fieldsForgable);
forgables.Add(aiFactoryForgable);
forgables.Add(stmtProvider);
return new StmtForgeMethodResult(
forgables,
new EmptyList<FilterSpecCompiled>(),
new EmptyList<ScheduleHandleCallbackProvider>(),
new EmptyList<NamedWindowConsumerStreamSpec>(),
new EmptyList<FilterSpecParamExprNodeForge>());
}
