public GNResultSet(GNXMLQuery query, Object userInfo, Observer[] observers, ServiceContext srvctx)
throws Exception {
super(observers);
this.query = query;
this.srvxtx = srvctx;
try {
GeonetContext gc = (GeonetContext) this.srvxtx.getHandlerContext(Geonet.CONTEXT_NAME);
SearchManager searchMan = gc.getBean(SearchManager.class);
metasearcher = searchMan.newSearcher(SearchManager.LUCENE, Geonet.File.SEARCH_Z3950_SERVER);
} catch (Exception e) {
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "error constructing GNresult set: " + e);
e.printStackTrace();
}
}
public int evaluate(int timeout) {
try {
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "INCOMING XML QUERY:\n" + query);
Element request = new Element("request");
request.addContent(query.toGNXMLRep());
List<String> categories = query.getCollections();
for (String category : categories) {
if (!category.equals("geonetwork") && !category.equals("Default"))
request.addContent(new Element("category").setText(category));
}
ServiceConfig config = new ServiceConfig();
// perform the search and save search results
metasearcher.search(this.srvxtx, request, config);
// System.out.println("summary:\n" + Xml.getString(s.getSummary()));
// // DEBUG
// Random number of records.. Set up the result set
setFragmentCount(metasearcher.getSize());
setTaskStatusCode(IRResultSetStatus.COMPLETE);
this.srvxtx.getResourceManager().close();
} catch (Throwable e) {
Log.error(Geonet.Z3950_SERVER, "error evaluating query.." + e);
e.printStackTrace();
try {
this.srvxtx.getResourceManager().abort();
} catch (Exception e2) {
e2.printStackTrace();
}
}
return (getStatus());
}
public void testStatelessSearch()
throws org.jzkit.configuration.api.ConfigurationException, org.jzkit.search.SearchException,
org.jzkit.search.util.ResultSet.IRResultSetException,
org.jzkit.search.util.QueryModel.InvalidQueryException {
Logger log = Logger.getLogger(TestService.class.getName());
log.info("Starting jzkit2 server...");
RecordFormatSpecification request_spec = new ArchetypeRecordFormatSpecification("F");
ExplicitRecordFormatSpecification display_spec =
new ExplicitRecordFormatSpecification("text:html:F");
ApplicationContext app_context =
new ClassPathXmlApplicationContext("TestApplicationContext.xml");
log.info("JZKit server startup completed");
Vector collection_ids = new Vector();
collection_ids.add("LC/BOOKS");
QueryModel qm = new PrefixString("@attrset bib-1 @attr 1=4 Science");
System.err.println("Processing search......");
try {
Map additional_properties = new HashMap();
additional_properties.put("base_dir", "/a/b/c/d");
StatelessQueryService stateless_query_service =
(StatelessQueryService) app_context.getBean("StatelessQueryService");
org.jzkit.search.landscape.SimpleLandscapeSpecification landscape =
new org.jzkit.search.landscape.SimpleLandscapeSpecification(collection_ids);
// Test 1 - Kick off a search
StatelessSearchResultsPageDTO rp =
stateless_query_service.getResultsPageFor(
null, qm, landscape, 1, 5, request_spec, display_spec, additional_properties);
if (rp != null) {
System.err.println(
"Result Set Size....."
+ rp.total_hit_count
+ " records - result contains "
+ rp.number_of_records
+ " records");
System.err.println("Result Set ID : " + rp.result_set_id);
} else {
System.err.println("Results page was null");
}
if (rp.records != null) {
for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
System.err.println(
"Getting next record (" + i + " out of " + rp.number_of_records + ").....");
InformationFragment frag = rp.records[i];
System.err.println(frag);
}
}
// Test 2 - use the result set ID to get a page of requests
rp =
stateless_query_service.getResultsPageFor(
rp.result_set_id,
qm,
landscape,
6,
5,
request_spec,
display_spec,
additional_properties);
if (rp.records != null) {
for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
System.err.println(
"Getting next record (" + i + " out of " + rp.number_of_records + ").....");
InformationFragment frag = rp.records[i];
System.err.println(frag);
}
}
// Test 3 - Use the query to get a cache hit
rp =
stateless_query_service.getResultsPageFor(
null, qm, landscape, 6, 5, request_spec, display_spec, additional_properties);
if (rp.records != null) {
for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
System.err.println(
"Getting next record (" + i + " out of " + rp.number_of_records + ").....");
InformationFragment frag = rp.records[i];
System.err.println(frag);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public InformationFragment[] getFragment(
int startingFragment, int count, RecordFormatSpecification spec) throws IRResultSetException {
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(
Geonet.Z3950_SERVER,
"Request for fragment start:" + startingFragment + ", count:" + count);
InformationFragment fragment[] = new InformationFragment[count];
ExplicitRecordFormatSpecification rec_spec =
new ExplicitRecordFormatSpecification("xml", null, "f");
try {
// build fragment data
int from = startingFragment;
int to = startingFragment + count - 1;
Element request = new Element("request");
request.addContent(new Element("from").setText(from + ""));
request.addContent(new Element("to").setText(to + ""));
ServiceConfig config = new ServiceConfig();
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Search request:\n" + Xml.getString(request));
// get result set
Element result = this.metasearcher.present(this.srvxtx, request, config);
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Search result:\n" + Xml.getString(result));
// remove summary
result.removeChildren("summary");
@SuppressWarnings("unchecked")
List<Element> list = result.getChildren();
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Set name asked:" + spec);
// save other records to fragment
for (int i = 0; i < count; i++) {
Element md = list.get(0);
md.detach();
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Returning fragment:\n" + Xml.getString(md));
// add metadata
// fragment[i] = new DOMTree("geonetwork", "geonetwork", null, getRecord(md),rec_spec );
// fragment[i].setHitNo(startingFragment+i);
DOMOutputter outputter = new DOMOutputter();
Document doc = new Document(md);
org.w3c.dom.Document doc2 = outputter.output(doc);
fragment[i] =
new InformationFragmentImpl(
startingFragment + i, "geonetwork", "geonetwork", null, doc2, rec_spec);
// fragment[i] = new
// InformationFragmentImpl(startingFragment+i,"geonetwork","geonetwork",null,doc,rec_spec);
// System.err.println(fragment[i]);
}
this.srvxtx.getResourceManager().close();
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Fragment returned");
} catch (Throwable e) {
try {
this.srvxtx.getResourceManager().abort();
} catch (Exception e2) {
e2.printStackTrace();
}
if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
Log.debug(Geonet.Z3950_SERVER, "Exception: " + e.getClass().getName() + " " + e);
// e.printStackTrace();
}
return fragment;
}
