private EPStatement createPatternStmt(
String expression, String statementName, Object userObject, String statementId)
throws EPException {
StatementSpecRaw rawPattern =
EPAdministratorHelper.compilePattern(
expression, expression, true, services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return services
.getStatementLifecycleSvc()
.createAndStart(
rawPattern, expression, true, statementName, userObject, null, statementId, null);
}
public EPPreparedStatement preparePattern(String patternExpression) throws EPException {
StatementSpecRaw rawPattern =
EPAdministratorHelper.compilePattern(
patternExpression,
patternExpression,
true,
services,
SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
// map to object model thus finding all substitution parameters and their indexes
StatementSpecUnMapResult 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.getObjectModel(), unmapped.getIndexedParams());
}
public EPStatementObjectModel compilePatternToSODAModel(String expression) throws EPException {
StatementSpecRaw rawPattern =
EPAdministratorHelper.compilePattern(
expression, expression, true, services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return mapRawToSODA(rawPattern);
}
public EvalFactoryNode compilePatternToNode(String pattern) throws EPException {
StatementSpecRaw raw =
EPAdministratorHelper.compilePattern(
pattern, pattern, false, services, SelectClauseStreamSelectorEnum.ISTREAM_ONLY);
return ((PatternStreamSpecRaw) raw.getStreamSpecs().get(0)).getEvalFactoryNode();
}