public ExprDotNodeFilterAnalyzerDesc GetFilterDesc(EventType[] typesPerStream,
DatetimeMethodEnum currentMethod,
ICollection <ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
return(null);
}
public ExprDotNodeFilterAnalyzerDesc GetFilterDesc(EventType[] typesPerStream,
DatetimeMethodEnum currentMethod,
ICollection <ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
if (_includeLow == null || _includeHigh == null)
{
return(null);
}
int targetStreamNum;
String targetProperty;
if (inputDesc is ExprDotNodeFilterAnalyzerInputStream)
{
var targetStream = (ExprDotNodeFilterAnalyzerInputStream)inputDesc;
targetStreamNum = targetStream.StreamNum;
EventType targetType = typesPerStream[targetStreamNum];
targetProperty = targetType.StartTimestampPropertyName;
}
else if (inputDesc is ExprDotNodeFilterAnalyzerInputProp)
{
var targetStream = (ExprDotNodeFilterAnalyzerInputProp)inputDesc;
targetStreamNum = targetStream.StreamNum;
targetProperty = targetStream.PropertyName;
}
else
{
return(null);
}
return(new ExprDotNodeFilterAnalyzerDTBetweenDesc(typesPerStream, targetStreamNum, targetProperty, _start,
_end, _includeLow.GetValueOrDefault(),
_includeHigh.GetValueOrDefault()));
}
public FilterExprAnalyzerAffector GetFilterDesc(
EventType[] typesPerStream,
DatetimeMethodEnum currentMethod,
IList <ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
if (_includeLow == null || _includeHigh == null)
{
return(null);
}
int targetStreamNum;
string targetProperty;
if (inputDesc is ExprDotNodeFilterAnalyzerInputStream)
{
var targetStream = (ExprDotNodeFilterAnalyzerInputStream)inputDesc;
targetStreamNum = targetStream.StreamNum;
var targetType = typesPerStream[targetStreamNum];
targetProperty = targetType.StartTimestampPropertyName;
}
else if (inputDesc is ExprDotNodeFilterAnalyzerInputProp)
{
var targetStream = (ExprDotNodeFilterAnalyzerInputProp)inputDesc;
targetStreamNum = targetStream.StreamNum;
targetProperty = targetStream.PropertyName;
}
else
{
return(null);
}
return(new FilterExprAnalyzerDTBetweenAffector(
typesPerStream, targetStreamNum, targetProperty, _start, _end, _includeLow.Value, _includeHigh.Value));
}
public FilterExprAnalyzerAffector GetFilterDesc(
EventType[] typesPerStream,
DateTimeMethodEnum currentMethod,
IList<ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
return null;
}
/// <summary>
/// Obtain information used by filter analyzer to handle this dot-method invocation as part of query planning/indexing.
/// </summary>
/// <param name="typesPerStream">event types</param>
/// <param name="currentMethod">current method</param>
/// <param name="currentParameters">current params</param>
/// <param name="inputDesc">descriptor of what the input to this interval method is</param>
public FilterExprAnalyzerDTIntervalAffector GetFilterDesc(
EventType[] typesPerStream,
DateTimeMethodEnum currentMethod,
IList<ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
// with intervals is not currently query planned
if (currentParameters.Count > 1) {
return null;
}
// Get input (target)
int targetStreamNum;
string targetPropertyStart;
string targetPropertyEnd;
if (inputDesc is ExprDotNodeFilterAnalyzerInputStream) {
var targetStream = (ExprDotNodeFilterAnalyzerInputStream) inputDesc;
targetStreamNum = targetStream.StreamNum;
var targetType = typesPerStream[targetStreamNum];
targetPropertyStart = targetType.StartTimestampPropertyName;
targetPropertyEnd = targetType.EndTimestampPropertyName != null
? targetType.EndTimestampPropertyName
: targetPropertyStart;
}
else if (inputDesc is ExprDotNodeFilterAnalyzerInputProp) {
var targetStream = (ExprDotNodeFilterAnalyzerInputProp) inputDesc;
targetStreamNum = targetStream.StreamNum;
targetPropertyStart = targetStream.PropertyName;
targetPropertyEnd = targetStream.PropertyName;
}
else {
return null;
}
// check parameter info
if (parameterPropertyStart == null) {
return null;
}
return new FilterExprAnalyzerDTIntervalAffector(
currentMethod,
typesPerStream,
targetStreamNum,
targetPropertyStart,
targetPropertyEnd,
parameterStreamNum,
parameterPropertyStart,
parameterPropertyEnd);
}
public static ExprDotNodeRealizedChain GetChainEvaluators(
int?streamOfProviderIfApplicable,
EPType inputType,
IList <ExprChainedSpec> chainSpec,
ExprValidationContext validationContext,
bool isDuckTyping,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
var methodEvals = new List <ExprDotEval>();
var currentInputType = inputType;
EnumMethodEnum?lastLambdaFunc = null;
var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1];
ExprDotNodeFilterAnalyzerDesc filterAnalyzerDesc = null;
var chainSpecStack = new ArrayDeque <ExprChainedSpec>(chainSpec);
while (!chainSpecStack.IsEmpty())
{
var chainElement = chainSpecStack.RemoveFirst();
lastLambdaFunc = null; // reset
// compile parameters for chain element
var paramEvals = new ExprEvaluator[chainElement.Parameters.Count];
var paramTypes = new Type[chainElement.Parameters.Count];
for (var i = 0; i < chainElement.Parameters.Count; i++)
{
paramEvals[i] = chainElement.Parameters[i].ExprEvaluator;
paramTypes[i] = paramEvals[i].ReturnType;
}
// check if special 'size' method
if (currentInputType is ClassMultiValuedEPType)
{
var type = (ClassMultiValuedEPType)currentInputType;
if ((chainElement.Name.ToLower() == "size") && paramTypes.Length == 0 && Equals(lastElement, chainElement))
{
var sizeExpr = new ExprDotEvalArraySize();
methodEvals.Add(sizeExpr);
currentInputType = sizeExpr.TypeInfo;
continue;
}
if ((chainElement.Name.ToLower() == "get") && paramTypes.Length == 1 && paramTypes[0].GetBoxedType() == typeof(int?))
{
var componentType = type.Component;
var get = new ExprDotEvalArrayGet(paramEvals[0], componentType);
methodEvals.Add(get);
currentInputType = get.TypeInfo;
continue;
}
}
// determine if there is a matching method
var matchingMethod = false;
var methodTarget = GetMethodTarget(currentInputType);
if (methodTarget != null)
{
try
{
GetValidateMethodDescriptor(methodTarget, chainElement.Name, chainElement.Parameters, validationContext);
matchingMethod = true;
}
catch (ExprValidationException)
{
// expected
}
}
// resolve lambda
if (chainElement.Name.IsEnumerationMethod() && (!matchingMethod || methodTarget.IsArray || methodTarget.IsImplementsInterface(typeof(ICollection <object>))))
{
var enumerationMethod = EnumMethodEnumExtensions.FromName(chainElement.Name);
var eval = TypeHelper.Instantiate <ExprDotEvalEnumMethod>(enumerationMethod.GetImplementation());
eval.Init(streamOfProviderIfApplicable, enumerationMethod, chainElement.Name, currentInputType, chainElement.Parameters, validationContext);
currentInputType = eval.TypeInfo;
if (currentInputType == null)
{
throw new IllegalStateException("Enumeration method '" + chainElement.Name + "' has not returned type information");
}
methodEvals.Add(eval);
lastLambdaFunc = enumerationMethod;
continue;
}
// resolve datetime
if (chainElement.Name.IsDateTimeMethod() && (!matchingMethod || methodTarget == typeof(DateTimeOffset?)))
{
var datetimeMethod = DatetimeMethodEnumExtensions.FromName(chainElement.Name);
var datetimeImpl = ExprDotEvalDTFactory.ValidateMake(
validationContext.StreamTypeService, chainSpecStack, datetimeMethod, chainElement.Name,
currentInputType, chainElement.Parameters, inputDesc,
validationContext.EngineImportService.TimeZone,
validationContext.EngineImportService.TimeAbacus);
currentInputType = datetimeImpl.ReturnType;
if (currentInputType == null)
{
throw new IllegalStateException("Date-time method '" + chainElement.Name + "' has not returned type information");
}
methodEvals.Add(datetimeImpl.Eval);
filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc;
continue;
}
// try to resolve as property if the last method returned a type
if (currentInputType is EventEPType)
{
var inputEventType = ((EventEPType)currentInputType).EventType;
var type = inputEventType.GetPropertyType(chainElement.Name);
var getter = inputEventType.GetGetter(chainElement.Name);
if (type != null && getter != null)
{
var noduck = new ExprDotEvalProperty(getter, EPTypeHelper.SingleValue(type.GetBoxedType()));
methodEvals.Add(noduck);
currentInputType = EPTypeHelper.SingleValue(EPTypeHelper.GetClassSingleValued(noduck.TypeInfo));
continue;
}
}
// Finally try to resolve the method
if (methodTarget != null)
{
try
{
// find descriptor again, allow for duck typing
var desc = GetValidateMethodDescriptor(methodTarget, chainElement.Name, chainElement.Parameters, validationContext);
var fastMethod = desc.FastMethod;
paramEvals = desc.ChildEvals;
ExprDotEval eval;
if (currentInputType is ClassEPType)
{
// if followed by an enumeration method, convert array to collection
if (fastMethod.ReturnType.IsArray && !chainSpecStack.IsEmpty() && chainSpecStack.First.Name.IsEnumerationMethod())
{
eval = new ExprDotMethodEvalNoDuckWrapArray(validationContext.StatementName, fastMethod, paramEvals);
}
else
{
eval = new ExprDotMethodEvalNoDuck(validationContext.StatementName, fastMethod, paramEvals);
}
}
else
{
eval = new ExprDotMethodEvalNoDuckUnderlying(validationContext.StatementName, fastMethod, paramEvals);
}
methodEvals.Add(eval);
currentInputType = eval.TypeInfo;
}
catch (Exception e)
{
if (!isDuckTyping)
{
throw new ExprValidationException(e.Message, e);
}
else
{
var duck = new ExprDotMethodEvalDuck(validationContext.StatementName, validationContext.EngineImportService, chainElement.Name, paramTypes, paramEvals);
methodEvals.Add(duck);
currentInputType = duck.TypeInfo;
}
}
continue;
}
var message = "Could not find event property, enumeration method or instance method named '" +
chainElement.Name + "' in " + currentInputType.ToTypeDescriptive();
throw new ExprValidationException(message);
}
var intermediateEvals = methodEvals.ToArray();
if (lastLambdaFunc != null)
{
ExprDotEval finalEval = null;
if (currentInputType is EventMultiValuedEPType)
{
var mvType = (EventMultiValuedEPType)currentInputType;
var tableMetadata = validationContext.TableService.GetTableMetadataFromEventType(mvType.Component);
if (tableMetadata != null)
{
finalEval = new ExprDotEvalUnpackCollEventBeanTable(mvType.Component, tableMetadata);
}
else
{
finalEval = new ExprDotEvalUnpackCollEventBean(mvType.Component);
}
}
else if (currentInputType is EventEPType)
{
var epType = (EventEPType)currentInputType;
var tableMetadata = validationContext.TableService.GetTableMetadataFromEventType(epType.EventType);
if (tableMetadata != null)
{
finalEval = new ExprDotEvalUnpackBeanTable(epType.EventType, tableMetadata);
}
else
{
finalEval = new ExprDotEvalUnpackBean(epType.EventType);
}
}
if (finalEval != null)
{
methodEvals.Add(finalEval);
}
}
var unpackingEvals = methodEvals.ToArray();
return(new ExprDotNodeRealizedChain(intermediateEvals, unpackingEvals, filterAnalyzerDesc));
}
public static ExprDotEvalDTMethodDesc ValidateMake(
StreamTypeService streamTypeService,
Deque <ExprChainedSpec> chainSpecStack,
DatetimeMethodEnum dtMethod,
String dtMethodName,
EPType inputType,
IList <ExprNode> parameters,
ExprDotNodeFilterAnalyzerInput inputDesc,
TimeZoneInfo timeZone)
{
// verify input
String message = "Date-time enumeration method '" + dtMethodName +
"' requires either a DateTime or long value as input or events of an event type that declares a timestamp property";
if (inputType is EventEPType)
{
if (((EventEPType)inputType).EventType.StartTimestampPropertyName == null)
{
throw new ExprValidationException(message);
}
}
else
{
if (!(inputType is ClassEPType || inputType is NullEPType))
{
throw new ExprValidationException(message + " but received " + EPTypeHelper.ToTypeDescriptive(inputType));
}
if (inputType is ClassEPType)
{
ClassEPType classEPType = (ClassEPType)inputType;
if (!TypeHelper.IsDateTime(classEPType.Clazz))
{
throw new ExprValidationException(
message + " but received " + classEPType.Clazz.GetTypeNameFullyQualPretty());
}
}
}
IList <CalendarOp> calendarOps = new List <CalendarOp>();
ReformatOp reformatOp = null;
IntervalOp intervalOp = null;
DatetimeMethodEnum currentMethod = dtMethod;
IList <ExprNode> currentParameters = parameters;
String currentMethodName = dtMethodName;
// drain all calendar ops
ExprDotNodeFilterAnalyzerDesc filterAnalyzerDesc = null;
while (true)
{
// handle the first one only if its a calendar op
var evaluators = GetEvaluators(currentParameters);
var opFactory = currentMethod.MetaData().OpFactory;
// compile parameter abstract for validation against available footprints
var footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters);
// validate parameters
DotMethodUtil.ValidateParametersDetermineFootprint(
currentMethod.Footprints(),
DotMethodTypeEnum.DATETIME,
currentMethodName, footprintProvided,
DotMethodInputTypeMatcherImpl.DEFAULT_ALL);
if (opFactory is CalendarOpFactory)
{
CalendarOp calendarOp = ((CalendarOpFactory)opFactory).GetOp(currentMethod, currentMethodName, currentParameters, evaluators);
calendarOps.Add(calendarOp);
}
else if (opFactory is ReformatOpFactory)
{
reformatOp = ((ReformatOpFactory)opFactory).GetOp(timeZone, currentMethod, currentMethodName, currentParameters);
// compile filter analyzer information if there are no calendar ops in the chain
if (calendarOps.IsEmpty())
{
filterAnalyzerDesc = reformatOp.GetFilterDesc(streamTypeService.EventTypes, currentMethod, currentParameters, inputDesc);
}
else
{
filterAnalyzerDesc = null;
}
}
else if (opFactory is IntervalOpFactory)
{
intervalOp = ((IntervalOpFactory)opFactory).GetOp(streamTypeService, currentMethod, currentMethodName, currentParameters, evaluators);
// compile filter analyzer information if there are no calendar ops in the chain
if (calendarOps.IsEmpty())
{
filterAnalyzerDesc = intervalOp.GetFilterDesc(streamTypeService.EventTypes, currentMethod, currentParameters, inputDesc);
}
else
{
filterAnalyzerDesc = null;
}
}
else
{
throw new IllegalStateException("Invalid op factory class " + opFactory);
}
// see if there is more
if (chainSpecStack.IsEmpty() || !DatetimeMethodEnumExtensions.IsDateTimeMethod(chainSpecStack.First.Name))
{
break;
}
// pull next
var next = chainSpecStack.RemoveFirst();
currentMethod = DatetimeMethodEnumExtensions.FromName(next.Name);
currentParameters = next.Parameters;
currentMethodName = next.Name;
if ((reformatOp != null || intervalOp != null))
{
throw new ExprValidationException("Invalid input for date-time method '" + next.Name + "'");
}
}
ExprDotEval dotEval;
EPType returnType;
dotEval = new ExprDotEvalDT(calendarOps, timeZone, reformatOp, intervalOp, EPTypeHelper.GetClassSingleValued(inputType), EPTypeHelper.GetEventTypeSingleValued(inputType));
returnType = dotEval.TypeInfo;
return(new ExprDotEvalDTMethodDesc(dotEval, returnType, filterAnalyzerDesc));
}
public static ExprDotDTMethodDesc ValidateMake(
StreamTypeService streamTypeService,
Deque<Chainable> chainSpecStack,
DatetimeMethodDesc dtMethod,
string dtMethodName,
EPType inputType,
IList<ExprNode> parameters,
ExprDotNodeFilterAnalyzerInput inputDesc,
TimeAbacus timeAbacus,
TableCompileTimeResolver tableCompileTimeResolver,
ImportServiceCompileTime importService,
StatementRawInfo statementRawInfo)
{
// verify input
var message = "Date-time enumeration method '" +
dtMethodName +
"' requires either a DateTimeEx, DateTimeOffset, DateTime, or long value as input or events of an event type that declares a timestamp property";
if (inputType is EventEPType eventEpType) {
if (eventEpType.EventType.StartTimestampPropertyName == null) {
throw new ExprValidationException(message);
}
}
else {
if (!(inputType is ClassEPType || inputType is NullEPType)) {
throw new ExprValidationException(
message + " but received " + inputType.ToTypeDescriptive());
}
if (inputType is ClassEPType classEpType) {
if (!TypeHelper.IsDateTime(classEpType.Clazz)) {
throw new ExprValidationException(
message + " but received " + classEpType.Clazz.CleanName());
}
}
}
IList<CalendarForge> calendarForges = new List<CalendarForge>();
ReformatForge reformatForge = null;
IntervalForge intervalForge = null;
var currentMethod = dtMethod;
var currentParameters = parameters;
var currentMethodName = dtMethodName;
// drain all calendar op
FilterExprAnalyzerAffector filterAnalyzerDesc = null;
while (true) {
// handle the first one only if its a calendar op
var forges = GetForges(currentParameters);
var opFactory = currentMethod.ForgeFactory;
// compile parameter abstract for validation against available footprints
var footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters);
// validate parameters
var footprintFound = DotMethodUtil.ValidateParametersDetermineFootprint(
currentMethod.Footprints,
DotMethodTypeEnum.DATETIME,
currentMethodName,
footprintProvided,
DotMethodInputTypeMatcherImpl.DEFAULT_ALL);
if (opFactory is CalendarForgeFactory calendarForgeFactory) {
var calendarForge = calendarForgeFactory.GetOp(
currentMethod,
currentMethodName,
currentParameters,
forges);
calendarForges.Add(calendarForge);
}
else if (opFactory is ReformatForgeFactory reformatForgeFactory) {
reformatForge = reformatForgeFactory.GetForge(
inputType,
timeAbacus,
currentMethod,
currentMethodName,
currentParameters);
// compile filter analyzer information if there are no calendar op in the chain
if (calendarForges.IsEmpty()) {
filterAnalyzerDesc = reformatForge.GetFilterDesc(
streamTypeService.EventTypes,
currentMethod,
currentParameters,
inputDesc);
}
else {
filterAnalyzerDesc = null;
}
}
else if (opFactory is IntervalForgeFactory intervalForgeFactory) {
intervalForge = intervalForgeFactory.GetForge(
streamTypeService,
currentMethod,
currentMethodName,
currentParameters,
timeAbacus,
tableCompileTimeResolver);
// compile filter analyzer information if there are no calendar op in the chain
if (calendarForges.IsEmpty()) {
filterAnalyzerDesc = intervalForge.GetFilterDesc(
streamTypeService.EventTypes,
currentMethod,
currentParameters,
inputDesc);
}
}
else if (opFactory is DTMPluginForgeFactory dtmPluginForgeFactory) {
var usageDesc = new DateTimeMethodValidateContext(
footprintFound,
streamTypeService,
currentMethod,
currentParameters,
statementRawInfo);
var ops = dtmPluginForgeFactory.Validate(usageDesc);
if (ops == null) {
throw new ExprValidationException(
"Plug-in datetime method provider " + dtmPluginForgeFactory.GetType() + " returned a null-value for the operations");
}
var input = EPTypeHelper.GetClassSingleValued(inputType);
if (ops is DateTimeMethodOpsModify dateTimeMethodOpsModify) {
calendarForges.Add(new DTMPluginValueChangeForge(input, dateTimeMethodOpsModify, usageDesc.CurrentParameters));
}
else if (ops is DateTimeMethodOpsReformat dateTimeMethodOpsReformat) {
reformatForge = new DTMPluginReformatForge(input, dateTimeMethodOpsReformat, usageDesc.CurrentParameters);
}
else {
throw new ExprValidationException("Plug-in datetime method ops " + ops.GetType() + " is not recognized");
}
// no action
}
else {
throw new IllegalStateException("Invalid op factory class " + opFactory);
}
// see if there is more
if (chainSpecStack.IsEmpty() || !DatetimeMethodResolver.IsDateTimeMethod(chainSpecStack.First.GetRootNameOrEmptyString(), importService)) {
break;
}
// pull next
var next = chainSpecStack.RemoveFirst();
currentMethodName = next.GetRootNameOrEmptyString();
currentMethod = DatetimeMethodResolver.FromName(currentMethodName, importService);
currentParameters = next.GetParametersOrEmpty();
if (reformatForge != null || intervalForge != null) {
throw new ExprValidationException("Invalid input for date-time method '" + currentMethodName + "'");
}
}
var dotForge = new ExprDotDTForge(
calendarForges,
timeAbacus,
reformatForge,
intervalForge,
inputType.GetClassSingleValued(),
inputType.GetEventTypeSingleValued());
var returnType = dotForge.TypeInfo;
return new ExprDotDTMethodDesc(dotForge, returnType, filterAnalyzerDesc);
}
public static ExprDotNodeRealizedChain GetChainEvaluators(
int? streamOfProviderIfApplicable,
EPType inputType,
IList<ExprChainedSpec> chainSpec,
ExprValidationContext validationContext,
bool isDuckTyping,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
IList<ExprDotForge> methodForges = new List<ExprDotForge>();
var currentInputType = inputType;
EnumMethodEnum? lastLambdaFunc = null;
var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1];
FilterExprAnalyzerAffector filterAnalyzerDesc = null;
Deque<ExprChainedSpec> chainSpecStack = new ArrayDeque<ExprChainedSpec>(chainSpec);
while (!chainSpecStack.IsEmpty()) {
var chainElement = chainSpecStack.RemoveFirst();
lastLambdaFunc = null; // reset
// compile parameters for chain element
var paramForges = new ExprForge[chainElement.Parameters.Count];
var paramTypes = new Type[chainElement.Parameters.Count];
for (var i = 0; i < chainElement.Parameters.Count; i++) {
paramForges[i] = chainElement.Parameters[i].Forge;
paramTypes[i] = paramForges[i].EvaluationType;
}
// check if special 'size' method
if (currentInputType is ClassMultiValuedEPType) {
var type = (ClassMultiValuedEPType) currentInputType;
if (chainElement.Name.Equals("size", StringComparison.InvariantCultureIgnoreCase) &&
paramTypes.Length == 0 &&
lastElement == chainElement) {
var sizeExpr = new ExprDotForgeArraySize();
methodForges.Add(sizeExpr);
currentInputType = sizeExpr.TypeInfo;
continue;
}
if (chainElement.Name.Equals("get", StringComparison.InvariantCultureIgnoreCase) &&
paramTypes.Length == 1 &&
Boxing.GetBoxedType(paramTypes[0]) == typeof(int?)) {
var componentType = Boxing.GetBoxedType(type.Component);
var get = new ExprDotForgeArrayGet(paramForges[0], componentType);
methodForges.Add(get);
currentInputType = get.TypeInfo;
continue;
}
}
// determine if there is a matching method
var matchingMethod = false;
var methodTarget = GetMethodTarget(currentInputType);
if (methodTarget != null) {
try {
GetValidateMethodDescriptor(
methodTarget,
chainElement.Name,
chainElement.Parameters,
validationContext);
matchingMethod = true;
}
catch (ExprValidationException) {
// expected
}
}
if (EnumMethodEnumExtensions.IsEnumerationMethod(chainElement.Name) &&
(!matchingMethod || methodTarget.IsArray || methodTarget.IsGenericCollection())) {
var enumerationMethod = EnumMethodEnumExtensions.FromName(chainElement.Name);
if (enumerationMethod == null) {
throw new EPException("unable to determine enumeration method from name");
}
var eval = TypeHelper.Instantiate<ExprDotForgeEnumMethod>(
enumerationMethod.Value.GetImplementation());
eval.Init(
streamOfProviderIfApplicable,
enumerationMethod.Value,
chainElement.Name,
currentInputType,
chainElement.Parameters,
validationContext);
currentInputType = eval.TypeInfo;
if (currentInputType == null) {
throw new IllegalStateException(
"Enumeration method '" + chainElement.Name + "' has not returned type information");
}
methodForges.Add(eval);
lastLambdaFunc = enumerationMethod;
continue;
}
// resolve datetime
if (DatetimeMethodEnumHelper.IsDateTimeMethod(chainElement.Name) &&
(!matchingMethod ||
methodTarget == typeof(DateTimeEx) ||
methodTarget == typeof(DateTimeOffset) ||
methodTarget == typeof(DateTime))) {
var dateTimeMethod = DatetimeMethodEnumHelper.FromName(chainElement.Name);
var datetimeImpl = ExprDotDTFactory.ValidateMake(
validationContext.StreamTypeService,
chainSpecStack,
dateTimeMethod,
chainElement.Name,
currentInputType,
chainElement.Parameters,
inputDesc,
validationContext.ImportService.TimeAbacus,
null,
validationContext.TableCompileTimeResolver);
currentInputType = datetimeImpl.ReturnType;
if (currentInputType == null) {
throw new IllegalStateException(
"Date-time method '" + chainElement.Name + "' has not returned type information");
}
methodForges.Add(datetimeImpl.Forge);
filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc;
continue;
}
// try to resolve as property if the last method returned a type
if (currentInputType is EventEPType) {
var inputEventType = (EventTypeSPI) ((EventEPType) currentInputType).EventType;
var type = inputEventType.GetPropertyType(chainElement.Name);
var getter = inputEventType.GetGetterSPI(chainElement.Name);
if (type != null && getter != null) {
var noduck = new ExprDotForgeProperty(
getter,
EPTypeHelper.SingleValue(Boxing.GetBoxedType(type)));
methodForges.Add(noduck);
currentInputType = EPTypeHelper.SingleValue(EPTypeHelper.GetClassSingleValued(noduck.TypeInfo));
continue;
}
}
// Finally try to resolve the method
if (methodTarget != null) {
try {
// find descriptor again, allow for duck typing
var desc = GetValidateMethodDescriptor(
methodTarget,
chainElement.Name,
chainElement.Parameters,
validationContext);
paramForges = desc.ChildForges;
ExprDotForge forge;
if (currentInputType is ClassEPType) {
// if followed by an enumeration method, convert array to collection
if (desc.ReflectionMethod.ReturnType.IsArray &&
!chainSpecStack.IsEmpty() &&
EnumMethodEnumExtensions.IsEnumerationMethod(chainSpecStack.First.Name)) {
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.WRAPARRAY);
}
else {
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.PLAIN);
}
}
else {
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.UNDERLYING);
}
methodForges.Add(forge);
currentInputType = forge.TypeInfo;
}
catch (Exception e) {
if (!isDuckTyping) {
throw new ExprValidationException(e.Message, e);
}
var duck = new ExprDotMethodForgeDuck(
validationContext.StatementName,
validationContext.ImportService,
chainElement.Name,
paramTypes,
paramForges);
methodForges.Add(duck);
currentInputType = duck.TypeInfo;
}
continue;
}
var message = "Could not find event property, enumeration method or instance method named '" +
chainElement.Name +
"' in " +
EPTypeHelper.ToTypeDescriptive(currentInputType);
throw new ExprValidationException(message);
}
var intermediateEvals = methodForges.ToArray();
if (lastLambdaFunc != null) {
ExprDotForge finalEval = null;
if (currentInputType is EventMultiValuedEPType) {
var mvType = (EventMultiValuedEPType) currentInputType;
var tableMetadata =
validationContext.TableCompileTimeResolver.ResolveTableFromEventType(mvType.Component);
if (tableMetadata != null) {
finalEval = new ExprDotForgeUnpackCollEventBeanTable(mvType.Component, tableMetadata);
}
else {
finalEval = new ExprDotForgeUnpackCollEventBean(mvType.Component);
}
}
else if (currentInputType is EventEPType) {
var epType = (EventEPType) currentInputType;
var tableMetadata =
validationContext.TableCompileTimeResolver.ResolveTableFromEventType(epType.EventType);
if (tableMetadata != null) {
finalEval = new ExprDotForgeUnpackBeanTable(epType.EventType, tableMetadata);
}
else {
finalEval = new ExprDotForgeUnpackBean(epType.EventType);
}
}
if (finalEval != null) {
methodForges.Add(finalEval);
}
}
var unpackingForges = methodForges.ToArray();
return new ExprDotNodeRealizedChain(intermediateEvals, unpackingForges, filterAnalyzerDesc);
}
public static ExprDotNodeRealizedChain GetChainEvaluators(
int?streamOfProviderIfApplicable,
EPType inputType,
IList <Chainable> chainSpec,
ExprValidationContext validationContext,
bool isDuckTyping,
ExprDotNodeFilterAnalyzerInput inputDesc)
{
var methodForges = new List <ExprDotForge>();
var currentInputType = inputType;
EnumMethodDesc lastLambdaFunc = null;
var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1];
FilterExprAnalyzerAffector filterAnalyzerDesc = null;
Deque <Chainable> chainSpecStack = new ArrayDeque <Chainable>(chainSpec);
while (!chainSpecStack.IsEmpty())
{
var chainElement = chainSpecStack.RemoveFirst();
var parameters = chainElement.GetParametersOrEmpty();
var chainElementName = chainElement.GetRootNameOrEmptyString();
var last = chainSpecStack.IsEmpty();
lastLambdaFunc = null; // reset
// compile parameters for chain element
var paramForges = new ExprForge[parameters.Count];
var paramTypes = new Type[parameters.Count];
for (var i = 0; i < parameters.Count; i++)
{
paramForges[i] = parameters[i].Forge;
paramTypes[i] = paramForges[i].EvaluationType;
}
// check if special 'size' method
if (currentInputType is ClassMultiValuedEPType)
{
var type = (ClassMultiValuedEPType)currentInputType;
if (string.Equals(chainElementName, "size", StringComparison.InvariantCultureIgnoreCase) &&
paramTypes.Length == 0 &&
lastElement == chainElement)
{
ExprDotForge size;
var containerType = ((ClassMultiValuedEPType)currentInputType).Container;
if (containerType.IsArray)
{
size = new ExprDotForgeSizeArray();
}
else
{
size = new ExprDotForgeSizeCollection();
}
methodForges.Add(size);
currentInputType = size.TypeInfo;
continue;
}
if (string.Equals(chainElementName, "get", StringComparison.InvariantCultureIgnoreCase) &&
paramTypes.Length == 1 &&
paramTypes[0].GetBoxedType() == typeof(int?))
{
ExprDotForge get;
var componentType = type.Component.GetBoxedType();
if (type.Container.IsArray)
{
get = new ExprDotForgeGetArray(paramForges[0], componentType);
}
else
{
get = new ExprDotForgeGetCollection(paramForges[0], componentType);
}
methodForges.Add(get);
currentInputType = get.TypeInfo;
continue;
}
if (chainElement is ChainableArray && type.Container.IsArray)
{
var array = (ChainableArray)chainElement;
var typeInfo = currentInputType;
var indexExpr = ChainableArray.ValidateSingleIndexExpr(
array.Indexes,
() => "operation on type " + typeInfo.ToTypeDescriptive());
var componentType = type.Component.GetBoxedType();
var get = new ExprDotForgeGetArray(indexExpr.Forge, componentType);
methodForges.Add(get);
currentInputType = get.TypeInfo;
continue;
}
}
// determine if there is a matching method or property
var methodTarget = GetMethodTarget(currentInputType);
var matchingMethod = false;
if (methodTarget != null && (!(chainElement is ChainableArray)))
{
try {
GetValidateMethodDescriptor(methodTarget, chainElementName, parameters, validationContext);
matchingMethod = true;
}
catch (ExprValidationException) {
// expected
}
}
if (EnumMethodResolver.IsEnumerationMethod(chainElementName, validationContext.ImportService) &&
(!matchingMethod || methodTarget.IsArray || methodTarget.IsGenericCollection()))
{
var enumerationMethod = EnumMethodResolver.FromName(chainElementName, validationContext.ImportService);
if (enumerationMethod == null)
{
throw new EPException("unable to determine enumeration method from name");
}
var eval = enumerationMethod.Factory.Invoke(chainElement.GetParametersOrEmpty().Count);
if (currentInputType is ClassEPType classEpType && classEpType.Clazz.IsGenericCollection() && !classEpType.Clazz.IsArray)
{
currentInputType = EPTypeHelper.CollectionOfSingleValue(typeof(object), null);
}
eval.Init(streamOfProviderIfApplicable, enumerationMethod, chainElementName, currentInputType, parameters, validationContext);
currentInputType = eval.TypeInfo;
if (currentInputType == null)
{
throw new IllegalStateException("Enumeration method '" + chainElementName + "' has not returned type information");
}
methodForges.Add(eval);
lastLambdaFunc = enumerationMethod;
continue;
}
// resolve datetime
if (DatetimeMethodResolver.IsDateTimeMethod(chainElementName, validationContext.ImportService) &&
(!matchingMethod ||
methodTarget == typeof(DateTimeEx) ||
methodTarget == typeof(DateTimeOffset) ||
methodTarget == typeof(DateTime)))
{
var datetimeMethod = DatetimeMethodResolver.FromName(chainElementName, validationContext.ImportService);
var datetimeImpl = ExprDotDTFactory.ValidateMake(
validationContext.StreamTypeService,
chainSpecStack,
datetimeMethod,
chainElementName,
currentInputType,
parameters,
inputDesc,
validationContext.ImportService.TimeAbacus,
validationContext.TableCompileTimeResolver,
validationContext.ImportService,
validationContext.StatementRawInfo);
currentInputType = datetimeImpl.ReturnType;
if (currentInputType == null)
{
throw new IllegalStateException(
"Date-time method '" + chainElementName + "' has not returned type information");
}
methodForges.Add(datetimeImpl.Forge);
filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc;
continue;
}
// try to resolve as property if the last method returned a type
if (currentInputType is EventEPType)
{
if (chainElement is ChainableArray)
{
throw new ExprValidationException("Could not perform array operation on type " + currentInputType.ToTypeDescriptive());
}
var inputEventType = (EventTypeSPI)((EventEPType)currentInputType).EventType;
var type = inputEventType.GetPropertyType(chainElementName);
var getter = inputEventType.GetGetterSPI(chainElementName);
var fragmentType = inputEventType.GetFragmentType(chainElementName);
ExprDotForge forge;
if (type != null && getter != null)
{
if (fragmentType == null || last)
{
forge = new ExprDotForgeProperty(getter, EPTypeHelper.SingleValue(type.GetBoxedType()));
currentInputType = forge.TypeInfo;
}
else
{
if (!fragmentType.IsIndexed)
{
currentInputType = EPTypeHelper.SingleEvent(fragmentType.FragmentType);
}
else
{
currentInputType = EPTypeHelper.ArrayOfEvents(fragmentType.FragmentType);
}
forge = new ExprDotForgePropertyFragment(getter, currentInputType);
}
methodForges.Add(forge);
continue;
}
}
if (currentInputType is EventMultiValuedEPType eventMultiValuedEpType && chainElement is ChainableArray chainableArray)
{
var inputEventType = (EventTypeSPI)eventMultiValuedEpType.Component;
var typeInfo = currentInputType;
var indexExpr = ChainableArray.ValidateSingleIndexExpr(
chainableArray.Indexes,
() => "operation on type " + typeInfo.ToTypeDescriptive());
currentInputType = EPTypeHelper.SingleEvent(inputEventType);
var forge = new ExprDotForgeEventArrayAtIndex(currentInputType, indexExpr);
methodForges.Add(forge);
continue;
}
// Finally try to resolve the method
if (methodTarget != null && !(chainElement is ChainableArray))
{
try {
// find descriptor again, allow for duck typing
var desc = GetValidateMethodDescriptor(methodTarget, chainElementName, parameters, validationContext);
paramForges = desc.ChildForges;
ExprDotForge forge;
if (currentInputType is ClassEPType)
{
// if followed by an enumeration method, convert array to collection
if (desc.ReflectionMethod.ReturnType.IsArray &&
!chainSpecStack.IsEmpty() &&
EnumMethodResolver.IsEnumerationMethod(chainSpecStack.First.GetRootNameOrEmptyString(), validationContext.ImportService))
{
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.WRAPARRAY);
}
else
{
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.PLAIN);
}
}
else
{
forge = new ExprDotMethodForgeNoDuck(
validationContext.StatementName,
desc.ReflectionMethod,
paramForges,
ExprDotMethodForgeNoDuck.DuckType.UNDERLYING);
}
methodForges.Add(forge);
currentInputType = forge.TypeInfo;
}
catch (Exception e) {
if (!isDuckTyping)
{
throw new ExprValidationException(e.Message, e);
}
var duck = new ExprDotMethodForgeDuck(
validationContext.StatementName,
validationContext.ImportService,
chainElementName,
paramTypes,
paramForges);
methodForges.Add(duck);
currentInputType = duck.TypeInfo;
}
continue;
}
string message;
if (!(chainElement is ChainableArray))
{
message = "Could not find event property or method named '" + chainElementName + "' in " + currentInputType.ToTypeDescriptive();
}
else
{
message = "Could not perform array operation on type " + currentInputType.ToTypeDescriptive();
}
throw new ExprValidationException(message);
}
var intermediateEvals = methodForges.ToArray();
if (lastLambdaFunc != null)
{
ExprDotForge finalEval = null;
if (currentInputType is EventMultiValuedEPType mvType)
{
var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(mvType.Component);
if (tableMetadata != null)
{
finalEval = new ExprDotForgeUnpackCollEventBeanTable(mvType.Component, tableMetadata);
}
else
{
finalEval = new ExprDotForgeUnpackCollEventBean(mvType.Component);
}
}
else if (currentInputType is EventEPType epType)
{
var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(epType.EventType);
if (tableMetadata != null)
{
finalEval = new ExprDotForgeUnpackBeanTable(epType.EventType, tableMetadata);
}
else
{
finalEval = new ExprDotForgeUnpackBean(epType.EventType);
}
}
if (finalEval != null)
{
methodForges.Add(finalEval);
}
}
var unpackingForges = methodForges.ToArray();
return(new ExprDotNodeRealizedChain(intermediateEvals, unpackingForges, filterAnalyzerDesc));
}
public static ExprDotDTMethodDesc ValidateMake(
StreamTypeService streamTypeService,
Deque<ExprChainedSpec> chainSpecStack,
DateTimeMethodEnum dtMethod,
string dtMethodName,
EPType inputType,
IList<ExprNode> parameters,
ExprDotNodeFilterAnalyzerInput inputDesc,
TimeAbacus timeAbacus,
ExprEvaluatorContext exprEvaluatorContext,
TableCompileTimeResolver tableCompileTimeResolver)
{
// verify input
var message = "Date-time enumeration method '" +
dtMethodName +
"' requires either a DateTimeEx, DateTimeOffset, DateTime, or long value as input or events of an event type that declares a timestamp property";
if (inputType is EventEPType) {
if (((EventEPType) inputType).EventType.StartTimestampPropertyName == null) {
throw new ExprValidationException(message);
}
}
else {
if (!(inputType is ClassEPType || inputType is NullEPType)) {
throw new ExprValidationException(
message + " but received " + inputType.ToTypeDescriptive());
}
if (inputType is ClassEPType) {
var classEPType = (ClassEPType) inputType;
if (!TypeHelper.IsDateTime(classEPType.Clazz)) {
throw new ExprValidationException(
message + " but received " + classEPType.Clazz.CleanName());
}
}
}
IList<CalendarForge> calendarForges = new List<CalendarForge>();
ReformatForge reformatForge = null;
IntervalForge intervalForge = null;
var currentMethod = dtMethod;
var currentParameters = parameters;
var currentMethodName = dtMethodName;
// drain all calendar op
FilterExprAnalyzerAffector filterAnalyzerDesc = null;
while (true) {
// handle the first one only if its a calendar op
var forges = GetForges(currentParameters);
var opFactory = currentMethod.GetForgeFactory();
// compile parameter abstract for validation against available footprints
DotMethodFPProvided footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters);
// validate parameters
DotMethodUtil.ValidateParametersDetermineFootprint(
currentMethod.GetFootprints(),
DotMethodTypeEnum.DATETIME,
currentMethodName,
footprintProvided,
DotMethodInputTypeMatcherImpl.DEFAULT_ALL);
if (opFactory is CalendarForgeFactory) {
var calendarForge = ((CalendarForgeFactory) currentMethod.GetForgeFactory()).GetOp(
currentMethod,
currentMethodName,
currentParameters,
forges);
calendarForges.Add(calendarForge);
}
else if (opFactory is ReformatForgeFactory) {
reformatForge = ((ReformatForgeFactory) opFactory).GetForge(
inputType,
timeAbacus,
currentMethod,
currentMethodName,
currentParameters,
exprEvaluatorContext);
// compile filter analyzer information if there are no calendar op in the chain
if (calendarForges.IsEmpty()) {
filterAnalyzerDesc = reformatForge.GetFilterDesc(
streamTypeService.EventTypes,
currentMethod,
currentParameters,
inputDesc);
}
else {
filterAnalyzerDesc = null;
}
}
else if (opFactory is IntervalForgeFactory) {
intervalForge = ((IntervalForgeFactory) opFactory).GetForge(
streamTypeService,
currentMethod,
currentMethodName,
currentParameters,
timeAbacus,
tableCompileTimeResolver);
// compile filter analyzer information if there are no calendar op in the chain
if (calendarForges.IsEmpty()) {
filterAnalyzerDesc = intervalForge.GetFilterDesc(
streamTypeService.EventTypes,
currentMethod,
currentParameters,
inputDesc);
}
else {
filterAnalyzerDesc = null;
}
}
else {
throw new IllegalStateException("Invalid op factory class " + opFactory);
}
// see if there is more
if (chainSpecStack.IsEmpty() || !DatetimeMethodEnumHelper.IsDateTimeMethod(chainSpecStack.First.Name)) {
break;
}
// pull next
var next = chainSpecStack.RemoveFirst();
currentMethod = DatetimeMethodEnumHelper.FromName(next.Name);
currentParameters = next.Parameters;
currentMethodName = next.Name;
if (reformatForge != null || intervalForge != null) {
throw new ExprValidationException("Invalid input for date-time method '" + next.Name + "'");
}
}
ExprDotForge dotForge;
EPType returnType;
dotForge = new ExprDotDTForge(
calendarForges,
timeAbacus,
reformatForge,
intervalForge,
inputType.GetClassSingleValued(),
inputType.GetEventTypeSingleValued());
returnType = dotForge.TypeInfo;
return new ExprDotDTMethodDesc(dotForge, returnType, filterAnalyzerDesc);
}
