public EPPreparedStatement PreparePattern(string patternExpression)
{
var rawPattern = EPAdministratorHelper.CompilePattern(patternExpression, patternExpression, true, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
// map to object model thus finding all substitution parameters and their indexes
var unmapped = StatementSpecMapper.Unmap(rawPattern);
// 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, null));
}
public EPStatementObjectModel CompilePatternToSODAModel(string expression)
{
var rawPattern = EPAdministratorHelper.CompilePattern(expression, expression, true, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(MapRawToSODA(rawPattern));
}
public EvalFactoryNode CompilePatternToNode(string pattern)
{
var raw = EPAdministratorHelper.CompilePattern(pattern, pattern, false, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(((PatternStreamSpecRaw)raw.StreamSpecs[0]).EvalFactoryNode);
}
private EPStatement CreatePatternStmt(string expression, string statementName, object userobject, int?optionalStatementId)
{
var rawPattern = EPAdministratorHelper.CompilePattern(expression, expression, true, _services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return(_services.StatementLifecycleSvc.CreateAndStart(rawPattern, expression, true, statementName, userobject, null, optionalStatementId, null));
}
