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Simplified a little bit the RSS OpenSearch Solr writer

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This commit is contained in:
luccioman
2018-07-31 16:02:50 +02:00
parent dc49ca9c27
commit 87bd17b1cf
1 changed files with 21 additions and 33 deletions

54
source/net/yacy/cora/federate/solr/responsewriter/OpensearchResponseWriter.java

@ -69,14 +69,14 @@ import net.yacy.search.schema.CollectionSchema;
public class OpensearchResponseWriter implements QueryResponseWriter, SolrjResponseWriter {
// define a list of simple YaCySchema -> RSS Token matchings
private static final Map<String, String> field2tag = new HashMap<String, String>();
private static final Map<String, String> field2tag = new HashMap<>();
// pre-select a set of YaCy schema fields for the solr searcher which should cause a better caching
private static final CollectionSchema[] extrafields = new CollectionSchema[]{
CollectionSchema.id, CollectionSchema.title, CollectionSchema.description_txt, CollectionSchema.text_t,
CollectionSchema.h1_txt, CollectionSchema.h2_txt, CollectionSchema.h3_txt, CollectionSchema.h4_txt, CollectionSchema.h5_txt, CollectionSchema.h6_txt,
};
static final Set<String> SOLR_FIELDS = new HashSet<String>();
static final Set<String> SOLR_FIELDS = new HashSet<>();
static {
field2tag.put(CollectionSchema.coordinate_p.getSolrFieldName() + "_0_coordinate", Geo.Lat.getURIref());
field2tag.put(CollectionSchema.coordinate_p.getSolrFieldName() + "_1_coordinate", Geo.Long.getURIref());
@ -147,8 +147,6 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
final ResHead resHead = new ResHead();
resHead.rows = request.getOriginalParams().getLong("rows", -1);
final int responseCount;
@SuppressWarnings("unchecked")
SimpleOrderedMap<Object> facetCounts = (SimpleOrderedMap<Object>) values.get("facet_counts");
@SuppressWarnings("unchecked")
@ -164,11 +162,10 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
resHead.offset = documents.offset(); // equal to 'start' Solr param
resHead.numFound = documents.matches();
responseCount = documents.size();
writeHeader(writer, resHead);
writeDocs(writer, documents, request, responseCount, snippets);
writeDocs(writer, documents, request, snippets);
} else if(responseObj instanceof SolrDocumentList) {
/*
* The response object can be a SolrDocumentList when the response is partial,
@ -179,11 +176,9 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
resHead.offset = documents.getStart(); // equal to 'start' Solr param
resHead.numFound = documents.getNumFound();
responseCount = documents.size();
writeHeader(writer, resHead);
writeDocs(writer, documents, responseCount, snippets);
writeDocs(writer, documents, snippets);
} else {
throw new IOException("Unable to process Solr response format");
}
@ -265,23 +260,20 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
/**
* Append to the writer the OpenSearch RSS representation of Solr documents.
*
* @param writer an open output writer. Must not be null.
* @param documents the documents to render. Must not be null.
* @param responseCount the number of documents to process
* @param snippets snippets Solr computed text snippets (highlighting).
* @param writer an open output writer. Must not be null.
* @param documents the documents to render. Must not be null.
* @param snippets snippets Solr computed text snippets (highlighting).
* @throws IOException when an unexpected error occurred while writing
*/
private void writeDocs(final Writer writer, final SolrDocumentList documents, final int responseCount,
private void writeDocs(final Writer writer, final SolrDocumentList documents,
final Map<String, LinkedHashSet<String>> snippets) throws IOException {
// parse body
String urlhash = null;
MultiProtocolURL url = null;
final Iterator<SolrDocument> iterator = documents.iterator();
for (int i = 0; i < responseCount; i++) {
for (SolrDocument doc: documents) {
openTag(writer, "item");
SolrDocument doc = iterator.next();
List<String> texts = new ArrayList<String>();
List<String> descriptions = new ArrayList<String>();
List<String> texts = new ArrayList<>();
List<String> descriptions = new ArrayList<>();
String docTitle = "";
List<Object> images_protocol_obj = new ArrayList<>();
List<String> images_stub = new ArrayList<>();
@ -407,30 +399,26 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
*
* @param writer an open output writer. Must not be null.
* @param documents the documents to render. Must not be null.
* @param responseCount the number of documents to process
* @param snippets Solr computed text snippets (highlighting).
* @throws IOException when an unexpected error occurred while writing
*/
private void writeDocs(final Writer writer, final DocList documents, final SolrQueryRequest request, final int responseCount,
private void writeDocs(final Writer writer, final DocList documents, final SolrQueryRequest request,
final Map<String, LinkedHashSet<String>> snippets) throws IOException {
// parse body
SolrIndexSearcher searcher = request.getSearcher();
String urlhash = null;
MultiProtocolURL url = null;
final DocIterator iterator = documents.iterator();
for (int i = 0; i < responseCount; i++) {
while(iterator.hasNext()) {
openTag(writer, "item");
int id = iterator.nextDoc();
Document doc = searcher.doc(id, SOLR_FIELDS);
List<IndexableField> fields = doc.getFields();
int fieldc = fields.size();
List<String> texts = new ArrayList<String>();
List<String> descriptions = new ArrayList<String>();
List<String> texts = new ArrayList<>();
List<String> descriptions = new ArrayList<>();
String docTitle = "";
List<Object> images_protocol_obj = new ArrayList<>();
List<String> images_stub = new ArrayList<>();
for (int j = 0; j < fieldc; j++) {
IndexableField value = fields.get(j);
for (final IndexableField value : doc.getFields()) {
String fieldName = value.name();
// apply generic matching rule
@ -505,11 +493,11 @@ public class OpensearchResponseWriter implements QueryResponseWriter, SolrjRespo
}
/**
* Append the Solr document URL as a RSS link to the writer
* @param writer
* @param sku
* @return a MultiProtocolURL instance or null
* @throws IOException
* Append information about the Solr document URL to the writer
* @param writer an open output writer. Must no be null.
* @param sku the Solr document URL as a String.
* @return a MultiProtocolURL instance built from the URL string, or null when the URL string is malformed.
* @throws IOException when an unexpected error occurred while writing
*/
private MultiProtocolURL writeLink(final Writer writer, final String sku)
throws IOException {