/**
* Get a document field raw value or list of raw values.
*
* <pre><code>
* assert document.title = "Big bad wolf"
* assert document.keyword[0] == "wolf"
* assert document.keyword[1] == "red hook"
* </code></pre>
*
* @param document the document
* @param fieldName the field name
* @return a raw value or a list of raw values if the field is multivalued
*/
public static Object get(Document document, String fieldName) {
@SuppressWarnings("unchecked")
List<Field> fields = (List<Field>) DefaultGroovyMethods.collect(document.getFields(fieldName));
switch (fields.size()) {
case 0:
if (document instanceof ScoredDocument) {
List<Object> exps = new ArrayList<Object>();
for (Field f : ((ScoredDocument) document).getExpressions()) {
if (f.getName().equals(fieldName)) {
exps.add(getFieldRawValue(f));
}
}
if (exps.size() == 0) {
return null;
}
if (exps.size() == 1) {
return exps.get(0);
}
return exps;
}
return null;
case 1:
return getFieldRawValue(fields.get(0));
default:
List<Object> exps = new ArrayList<Object>();
for (Field f : fields) {
exps.add(getFieldRawValue(f));
}
return exps;
}
}
@Override
public Document toDocument() {
Document document =
Document.newBuilder()
.setId(id)
.addField(Field.newBuilder().setName(ComentarioFields.id.name()).setText(id))
.addField(
Field.newBuilder().setName(ComentarioFields.conteudo.name()).setText(conteudo))
.addField(Field.newBuilder().setName(ComentarioFields.usuario.name()).setText(usuario))
.build();
return document;
}
// Index the geo location
private void indexProduct(DProduct dProduct) {
if (null != dProduct.getLocation()) {
GeoPoint geoPoint =
new GeoPoint(dProduct.getLocation().getLatitude(), dProduct.getLocation().getLongitude());
int averageRating =
(null != dProduct.getRatingAverage()) ? dProduct.getRatingAverage().getRating() : -1;
Document.Builder locationBuilder =
Document.newBuilder()
.setId(dProduct.getProductId())
.addField(Field.newBuilder().setName("location").setGeoPoint(geoPoint))
.addField(Field.newBuilder().setName("averageRating").setNumber(averageRating))
.addField(Field.newBuilder().setName("likeCount").setNumber(dProduct.getLikeCount()))
.addField(Field.newBuilder().setName("thumbsUp").setNumber(dProduct.getThumbsUp()));
getLocationIndex().add(locationBuilder.build());
}
}
<F> Field buildField(SearchMetadata<T, K> metadata, String field, Object value) {
com.google.appengine.api.search.Field.Builder fieldBuilder =
Field.newBuilder().setName(metadata.getEncodedFieldName(field));
IndexType indexType = metadata.getIndexType(field);
FieldMediator<F> fieldMediator = fieldMediators.get(indexType);
F normalised = fieldMediator.normalise(transformerManager, value);
fieldMediator.setValue(fieldBuilder, normalised);
return fieldBuilder.build();
}
private static Object getFieldRawValue(Field field) {
switch (field.getType()) {
case ATOM:
return field.getAtom();
case DATE:
return field.getDate();
case HTML:
return field.getHTML();
case NUMBER:
return field.getNumber();
case TEXT:
return field.getText();
case GEO_POINT:
return field.getGeoPoint();
}
return null;
}
@Override
public Map<String, Object> from(ScoredDocument from) {
Map<String, Object> results = new HashMap<String, Object>();
results.put("___id___", from.getId());
for (Field field : from.getFields()) {
FieldType fieldType = field.getType();
Object value = null;
if (FieldType.TEXT.equals(fieldType)) {
value = field.getText();
} else if (FieldType.NUMBER.equals(fieldType)) {
value = field.getNumber();
} else if (FieldType.DATE.equals(fieldType)) {
value = field.getDate();
} else if (FieldType.ATOM.equals(fieldType)) {
value = field.getAtom();
} else if (FieldType.HTML.equals(fieldType)) {
value = field.getHTML();
} else if (FieldType.GEO_POINT.equals(fieldType)) {
value = field.getGeoPoint();
}
results.put(field.getName(), value);
}
return results;
}
private void procurar(HttpServletRequest req, HttpServletResponse resp) throws IOException {
try {
String search = req.getParameter("q");
String lat = req.getParameter("lat");
String lng = req.getParameter("lng");
String distancia = req.getParameter("distancia");
IndexSpec indexSpec = IndexSpec.newBuilder().setName("produtos").build();
Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);
String query_string = "";
if (!"".equals(search)) query_string = search + " AND ";
query_string += "distance(posicao, geopoint(" + lat + ", " + lng + ")) < " + distancia;
Results<ScoredDocument> results = index.search(query_string);
boolean first = true;
resp.getWriter().write("[");
for (Iterator iterator = results.iterator(); iterator.hasNext(); ) {
ScoredDocument doc = (ScoredDocument) iterator.next();
if (!first) resp.getWriter().write(", ");
first = false;
boolean first_field = true;
resp.getWriter().write("{");
for (Iterator fields = doc.getFields().iterator(); fields.hasNext(); ) {
if (!first_field) resp.getWriter().write(", ");
first_field = false;
Field field = (Field) fields.next();
if ("posicao".equals(field.getName())) {
resp.getWriter().write("\"latitude\": ");
resp.getWriter().write("\"" + field.getGeoPoint().getLatitude() + "\", ");
resp.getWriter().write("\"longitude\": ");
resp.getWriter().write("\"" + field.getGeoPoint().getLongitude() + "\"");
} else {
resp.getWriter().write("\"" + field.getName() + "\": ");
resp.getWriter().write("\"" + field.getText() + "\"");
}
}
resp.getWriter().write("}");
}
resp.getWriter().write("]");
} catch (SearchException e) {
// handle exception...
}
}