@Override
public BytesRef indexedValueForSearch(Object value) {
if (value instanceof BytesRef) {
BytesRef bytesRef = (BytesRef) value;
if (Uid.hasDelimiter(bytesRef)) {
return bytesRef;
}
return Uid.createUidAsBytes(typeAsBytes, bytesRef);
}
String sValue = value.toString();
if (sValue.indexOf(Uid.DELIMITER) == -1) {
return Uid.createUidAsBytes(type, sValue);
}
return super.indexedValueForSearch(value);
}
@Override
public Filter termFilter(Object value, @Nullable QueryParseContext context) {
if (context == null) {
return super.termFilter(value, context);
}
BytesRef bValue = BytesRefs.toBytesRef(value);
// we use all types, cause we don't know if its exact or not...
BytesRef[] typesValues = new BytesRef[context.mapperService().types().size()];
int i = 0;
for (String type : context.mapperService().types()) {
typesValues[i++] = Uid.createUidAsBytes(type, bValue);
}
return new TermsFilter(names.indexName(), typesValues);
}
@Test
public void testCreateAndSplitId() {
BytesRef createUid = Uid.createUidAsBytes("foo", "bar");
BytesRef[] splitUidIntoTypeAndId = Uid.splitUidIntoTypeAndId(createUid);
assertThat("foo", equalTo(splitUidIntoTypeAndId[0].utf8ToString()));
assertThat("bar", equalTo(splitUidIntoTypeAndId[1].utf8ToString()));
// split also with an offset
BytesRef ref = new BytesRef(createUid.length + 10);
ref.offset = 9;
ref.length = createUid.length;
System.arraycopy(createUid.bytes, createUid.offset, ref.bytes, ref.offset, ref.length);
splitUidIntoTypeAndId = Uid.splitUidIntoTypeAndId(ref);
assertThat("foo", equalTo(splitUidIntoTypeAndId[0].utf8ToString()));
assertThat("bar", equalTo(splitUidIntoTypeAndId[1].utf8ToString()));
}
@Override
public Filter termsFilter(List values, @Nullable QueryParseContext context) {
if (context == null) {
return super.termsFilter(values, context);
}
List<BytesRef> bValues = new ArrayList<BytesRef>(values.size());
for (Object value : values) {
BytesRef bValue = BytesRefs.toBytesRef(value);
// we use all types, cause we don't know if its exact or not...
for (String type : context.mapperService().types()) {
bValues.add(Uid.createUidAsBytes(type, bValue));
}
}
return new TermsFilter(names.indexName(), bValues);
}
public TermVectorResponse getTermVector(TermVectorRequest request, String concreteIndex) {
final Engine.Searcher searcher = indexShard.acquireSearcher("term_vector");
IndexReader topLevelReader = searcher.reader();
final TermVectorResponse termVectorResponse =
new TermVectorResponse(concreteIndex, request.type(), request.id());
final Term uidTerm =
new Term(UidFieldMapper.NAME, Uid.createUidAsBytes(request.type(), request.id()));
Engine.GetResult get = indexShard.get(new Engine.Get(request.realtime(), uidTerm));
boolean docFromTranslog = get.source() != null;
AggregatedDfs dfs = null;
/* fetched from translog is treated as an artificial document */
if (docFromTranslog) {
request.doc(get.source().source, false);
termVectorResponse.setDocVersion(get.version());
}
/* handle potential wildcards in fields */
if (request.selectedFields() != null) {
handleFieldWildcards(request);
}
try {
Fields topLevelFields = MultiFields.getFields(topLevelReader);
Versions.DocIdAndVersion docIdAndVersion = get.docIdAndVersion();
/* from an artificial document */
if (request.doc() != null) {
Fields termVectorsByField = generateTermVectorsFromDoc(request, !docFromTranslog);
// if no document indexed in shard, take the queried document itself for stats
if (topLevelFields == null) {
topLevelFields = termVectorsByField;
}
if (termVectorsByField != null && useDfs(request)) {
dfs = getAggregatedDfs(termVectorsByField, request);
}
termVectorResponse.setFields(
termVectorsByField, request.selectedFields(), request.getFlags(), topLevelFields, dfs);
termVectorResponse.setExists(true);
termVectorResponse.setArtificial(!docFromTranslog);
}
/* or from an existing document */
else if (docIdAndVersion != null) {
// fields with stored term vectors
Fields termVectorsByField =
docIdAndVersion.context.reader().getTermVectors(docIdAndVersion.docId);
Set<String> selectedFields = request.selectedFields();
// generate tvs for fields where analyzer is overridden
if (selectedFields == null && request.perFieldAnalyzer() != null) {
selectedFields = getFieldsToGenerate(request.perFieldAnalyzer(), termVectorsByField);
}
// fields without term vectors
if (selectedFields != null) {
termVectorsByField =
addGeneratedTermVectors(get, termVectorsByField, request, selectedFields);
}
if (termVectorsByField != null && useDfs(request)) {
dfs = getAggregatedDfs(termVectorsByField, request);
}
termVectorResponse.setFields(
termVectorsByField, request.selectedFields(), request.getFlags(), topLevelFields, dfs);
termVectorResponse.setDocVersion(docIdAndVersion.version);
termVectorResponse.setExists(true);
} else {
termVectorResponse.setExists(false);
}
} catch (Throwable ex) {
throw new ElasticsearchException("failed to execute term vector request", ex);
} finally {
searcher.close();
get.release();
}
return termVectorResponse;
}
