/**
* Use beans of secondary RP and put attributes from first RP into beans of secondary RP.
*
* @param result
* @param resultMap
* @param resultMap2
* @param attributes
*/
private static void useSecondaryMerge(
ArrayList<CRResolvableBean> result,
LinkedHashMap<Object, CRResolvableBean> resultMap,
LinkedHashMap<Object, CRResolvableBean> resultMap2,
String[] attributes) {
for (Entry<Object, CRResolvableBean> e : resultMap.entrySet()) {
Object id = e.getKey();
CRResolvableBean resultBean2 = resultMap2.remove(id);
CRResolvableBean resultBean = e.getValue();
// MERGE ATTRIBUTES
if (resultBean != null && resultBean2 != null) {
for (String attribute : attributes) {
Object value = resultBean.get(attribute);
if (value != null) {
resultBean2.set(attribute, value);
}
}
result.add(resultBean2);
} else if (resultBean2 == null && resultBean != null) {
result.add(resultBean);
}
}
}
/**
* Merge the results of two request processor. The primary RequestProcessor overrules the
* secondary RP. The request is made using the CRRequest.
*
* @param uniquemergeattribute
* @param primaryRP
* @param secondaryRP
* @param request
* @throws CRException
*/
public static Collection<CRResolvableBean> merge(
String uniquemergeattribute,
RequestProcessor primaryRP,
RequestProcessor secondaryRP,
CRRequest request)
throws CRException {
Collection<CRResolvableBean> rp1res = primaryRP.getObjects(request);
ArrayList<CRResolvableBean> result = new ArrayList<CRResolvableBean>();
LinkedHashMap<Object, CRResolvableBean> resultMap =
new LinkedHashMap<Object, CRResolvableBean>();
LinkedHashMap<Object, CRResolvableBean> resultMap2 =
new LinkedHashMap<Object, CRResolvableBean>();
String mergefilter = "";
boolean first = true;
for (CRResolvableBean crBean : rp1res) {
Object id = crBean.get(uniquemergeattribute);
if (first) {
first = false;
mergefilter += "\"" + id + "\"";
} else {
mergefilter += "," + "\"" + id + "\"";
}
resultMap.put(id, crBean);
}
rp1res = null;
CRRequest request2 = new CRRequest();
request2.setAttributeArray(request.getAttributeArray());
request2.setDoReplacePlinks(request.getDoReplacePlinks());
request2.setDoVelocity(request.getDoVelocity());
request2.setRequestFilter(
"object." + uniquemergeattribute + " CONTAINSONEOF [" + mergefilter + "]");
Collection<CRResolvableBean> rp2res = secondaryRP.getObjects(request2);
String[] attributes = request.getAttributeArray();
for (CRResolvableBean crBean : rp2res) {
Object id = crBean.get(uniquemergeattribute);
resultMap2.put(id, crBean);
}
String secMerge = (String) request.get("secondary");
if (Boolean.parseBoolean(secMerge)) {
// Resolvable from second RP will be used
useSecondaryMerge(result, resultMap, resultMap2, attributes);
} else {
// Resolvable from first RP will be used
useFirstMerge(result, resultMap, resultMap2, attributes);
}
return result;
}
/**
* Fills the attributes defined in the requests attribute array to each element of the collection
* col.
*
* @param rp
* @param col
* @param request
* @param idAttribute
* @throws CRException
*/
public static void fillAttributes(
RequestProcessor rp, Collection<CRResolvableBean> col, CRRequest request, String idAttribute)
throws CRException {
LinkedHashMap<Object, CRResolvableBean> resultMap =
new LinkedHashMap<Object, CRResolvableBean>();
StringBuilder mergefilter = new StringBuilder();
boolean first = true;
for (CRResolvableBean crBean : col) {
Object id = crBean.get(idAttribute);
String key = "";
if (id instanceof String) {
key = (String) id;
} else {
key = id.toString();
}
if (first) {
first = false;
mergefilter.append("\"");
mergefilter.append(key);
mergefilter.append("\"");
} else {
mergefilter.append(",");
mergefilter.append("\"");
mergefilter.append(key);
mergefilter.append("\"");
}
resultMap.put(key, crBean);
}
request.setRequestFilter(
"object." + idAttribute + " CONTAINSONEOF [" + mergefilter.toString() + "]");
Collection<CRResolvableBean> res = rp.getObjects(request);
String[] attributes = request.getAttributeArray();
// MERGE
for (Iterator<CRResolvableBean> resBeanIterator = res.iterator(); resBeanIterator.hasNext(); ) {
CRResolvableBean resBean = resBeanIterator.next();
Object keyObject = resBean.get(idAttribute);
String key = "";
if (keyObject instanceof String) {
key = (String) keyObject;
} else {
key = keyObject.toString();
}
CRResolvableBean finishedBean = resultMap.get(key);
if (finishedBean != null) {
for (String att : attributes) {
Object val = resBean.get(att);
if (val != null) {
finishedBean.set(att, val);
}
}
resBeanIterator.remove();
}
}
}
