public AnnotationPart CompileAnnotationToSODA(string annotationExpression)
{
var toCompile = annotationExpression + " select * from System.object";
var raw = EPAdministratorHelper.CompileEPL(toCompile, annotationExpression, false, null, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(StatementSpecMapper.Unmap(raw.Annotations[0]));
}
public MatchRecognizeRegEx CompileMatchRecognizePatternToSODA(string matchRecogPatternExpression)
{
var toCompile = "select * from System.object Match_recognize(measures a.b as c pattern (" + matchRecogPatternExpression + ") define A as true)";
var raw = EPAdministratorHelper.CompileEPL(toCompile, matchRecogPatternExpression, false, null, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(StatementSpecMapper.Unmap(raw.MatchRecognizeSpec.Pattern));
}
public ExprNode CompileExpression(string expression)
{
var toCompile = "select * from System.object#time(" + expression + ")";
var raw = EPAdministratorHelper.CompileEPL(toCompile, expression, false, null, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(raw.StreamSpecs[0].ViewSpecs[0].ObjectParameters[0]);
}
private EPStatement CreateEPLStmt(string eplStatement, string statementName, object userobject, int?optionalStatementId)
{
var statementSpec = EPAdministratorHelper.CompileEPL(eplStatement, eplStatement, true, statementName, _services, _defaultStreamSelector);
var statement = _services.StatementLifecycleSvc.CreateAndStart(statementSpec, eplStatement, false, statementName, userobject, null, optionalStatementId, null);
Log.Debug(".createEPLStmt Statement created and started");
return(statement);
}
public EPStatementObjectModel CompileEPL(string eplStatement)
{
var statementSpec = EPAdministratorHelper.CompileEPL(eplStatement, eplStatement, true, null, _services, _defaultStreamSelector);
var unmapped = StatementSpecMapper.Unmap(statementSpec);
if (unmapped.SubstitutionParams.Count != 0)
{
throw new EPException(SUBS_PARAM_INVALID_USE);
}
return(unmapped.ObjectModel);
}
public EPStatement CreateEPLStatementId(string eplStatement, string statementName, object userObject, int?optionalStatementId)
{
var defaultStreamSelector = _unisolatedServices.ConfigSnapshot.EngineDefaults.StreamSelectionConfig.DefaultStreamSelector.MapFromSODA();
var statementSpec = EPAdministratorHelper.CompileEPL(eplStatement, eplStatement, true, statementName, _unisolatedServices, defaultStreamSelector);
var statement = _unisolatedServices.StatementLifecycleSvc.CreateAndStart(statementSpec, eplStatement, false, statementName, userObject, _services, optionalStatementId, null);
var stmtSpi = (EPStatementSPI)statement;
stmtSpi.StatementContext.InternalEventEngineRouteDest = _isolatedRuntime;
stmtSpi.ServiceIsolated = _isolatedServiceName;
_statementNames.Add(stmtSpi.Name);
return(statement);
}
public EPPreparedStatement PrepareEPL(string eplExpression)
{
// compile to specification
var statementSpec = EPAdministratorHelper.CompileEPL(eplExpression, eplExpression, true, null, _services, _defaultStreamSelector);
// map to object model thus finding all substitution parameters and their indexes
var unmapped = StatementSpecMapper.Unmap(statementSpec);
// the prepared statement is the object model plus a list of substitution parameters
// map to specification will refuse any substitution parameters that are unfilled
return(new EPPreparedStatementImpl(unmapped.ObjectModel, unmapped.SubstitutionParams, eplExpression));
}
public StatementSpecRaw CompileEPLToRaw(string epl)
{
return(EPAdministratorHelper.CompileEPL(epl, epl, true, null, _services, _defaultStreamSelector));
}
