Examples of org.apache.gora.mongodb.utils.BSONDecorator

org.apache.gora.mongodb.utils.BSONDecorator
Utility class to build {@link DBObject} used by MongoDB in an easy way bydirectly specifying the fully qualified names of fields. @author Fabien Poulard

   * @throws IOException
   */
  public T newInstance(final DBObject obj, final String[] fields) {
    if (obj == null)
      return null;
    BSONDecorator easybson = new BSONDecorator(obj);
    // Create new empty persistent bean instance
    T persistent = newPersistent();
    String[] dbFields = getFieldsToQuery(fields);


    // Populate each field
    for (String f : dbFields) {
      // Check the field exists in the mapping and in the db
      String docf = mapping.getDocumentField(f);
      if (docf == null || !easybson.containsField(docf))
        continue;


      DocumentFieldType storeType = mapping.getDocumentFieldType(docf);
      Field field = fieldMap.get(f);
      Schema fieldSchema = field.schema();

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  @SuppressWarnings({ "unchecked", "rawtypes" })
  private Object fromMongoRecord(final Schema fieldSchema, final String docf,
      final DBObject rec) {
    Object result;
    BSONDecorator innerBson = new BSONDecorator(rec);
    Class<?> clazz = null;
    try {
      clazz = ClassLoadingUtils.loadClass(fieldSchema.getFullName());
    } catch (ClassNotFoundException e) {
    }

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    List<Object> rlist = new ArrayList<Object>();


    for (Object item : list) {
      DocumentFieldType storeType = mapping.getDocumentFieldType(docf);
      Object o = fromDBObject(fieldSchema.getElementType(), storeType, f,
          "item", new BSONDecorator(new BasicDBObject("item", item)));
      rlist.add(o);
    }
    return new DirtyListWrapper<Object>(rlist);
  }

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      String mapKey = e.getKey();
      String decodedMapKey = decodeFieldKey(mapKey);


      DocumentFieldType storeType = mapping.getDocumentFieldType(docf);
      Object o = fromDBObject(fieldSchema.getValueType(), storeType, f, mapKey,
          new BSONDecorator(map));
      rmap.put(new Utf8(decodedMapKey), o);
    }
    return new DirtyMapWrapper<Utf8, Object>(rmap);
  }

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Related Classes of org.apache.gora.mongodb.utils.BSONDecorator

com.mongodb.BasicDBObject

com.mongodb.DBObject

org.apache.avro.util.Utf8

org.apache.gora.mongodb.store.MongoStore

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