public static OMElement queryToOM(Query query) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement queryChild =
factory.createOMElement(
new QName(
CEPConstants.CEP_CONF_NAMESPACE,
CEPConstants.CEP_CONF_ELE_QUERY,
CEPConstants.CEP_CONF_CEP_NAME_SPACE_PREFIX));
Expression queryExpression = query.getExpression();
String queryName = query.getName();
OMElement queryIP = null;
List<String> ipList = query.getIpList();
for (String ip : ipList) {
queryIP = factory.createOMElement(new QName(CEPConstants.CEP_CONF_QUERY_IP));
queryIP.setText(ip);
queryChild.addChild(queryIP);
}
queryChild.addAttribute(CEPConstants.CEP_CONF_ATTR_NAME, queryName, null);
OMElement omQueryExpression = ExpressionHelper.expressionToOM(queryExpression);
queryChild.addChild(omQueryExpression);
if (query.getOutput() != null) {
OMElement queryOutput = OutputHelper.outputToOM(query.getOutput());
queryChild.addChild(queryOutput);
}
return queryChild;
}
public static Query fromOM(OMElement queryElement) {
Query query = new Query();
String name =
queryElement.getAttribute(new QName(CEPConstants.CEP_CONF_ATTR_NAME)).getAttributeValue();
query.setName(name);
Iterator iterator = queryElement.getChildrenWithName(new QName(CEPConstants.CEP_CONF_QUERY_IP));
while (iterator != null && iterator.hasNext()) {
OMElement ipElement = (OMElement) iterator.next();
String ip = ipElement.getText();
query.addIP(ip);
}
OMElement expressionElement =
queryElement.getFirstChildWithName(
new QName(CEPConstants.CEP_CONF_NAMESPACE, CEPConstants.CEP_CONF_ELE_EXPRESSION));
if (expressionElement != null) {
query.setExpression(ExpressionHelper.fromOM(expressionElement));
}
OMElement outputOmElement =
queryElement.getFirstChildWithName(
new QName(CEPConstants.CEP_CONF_NAMESPACE, CEPConstants.CEP_CONF_ELE_OUTPUT));
if (expressionElement != null && outputOmElement != null) {
query.setOutput(OutputHelper.fromOM(outputOmElement));
}
return query;
}