示例#1
0
 @Override
 public boolean removeDBLease(DBLease lease, String path) {
   CouchDbClient dbClient = connectionProvider.getDBClient(CouchDbClient.class, path);
   Response resp = null;
   if (lease.get_rev() != null) {
     try {
       resp = dbClient.remove(lease.get_id(), lease.get_rev());
     } catch (Exception e) {
       DBLease entity2 = reload(lease.get_id(), path);
       if (entity2 != null) {
         lease = entity2;
         resp = dbClient.remove(lease.get_id(), lease.get_rev());
       }
     }
   }
   String rev = null;
   if (resp != null) {
     rev = resp.getRev();
   } else {
     rev = lease.get_rev();
   }
   dbClient.purge(path, lease.get_id(), new String[] {rev});
   return true;
 }
示例#2
0
  @Override
  public DBLease add(DBLease entity, String path) {
    CouchDbClient dbClient =
        connectionProvider.getDBClient(CouchDbClient.class, DaoConstants.NOTIFICATION);
    DBLease found = null;
    try {
      found = dbClient.find(DBLeaseImpl.class, entity.get_id());
    } catch (Exception e) {
    }
    if (found != null) {
      entity.set_rev(found.get_rev());
    }
    boolean conflict = false;
    if (entity.get_rev() == null) {
      Response re = dbClient.save(entity);
      entity.set_rev(re.getRev());

      System.out.println(re);
      return entity;
    } else {
      //			entity.set_rev(found.get_rev());
      Response re;
      try {
        re = dbClient.update(entity);
        entity.set_rev(re.getRev());
        System.out.println(re);

      } catch (Exception e) {
        conflict = true;
        System.out.println(entity);
        e.printStackTrace();
      }
    }
    if (conflict && found == null) // update conflict due to previous deleted version
    {
      HttpHead head = new HttpHead(dbClient.getDBUri() + entity.get_id());

      //			HttpResponse response = dbClient.executeRequest(head);
      //
      //			String revision = response.getFirstHeader("ETAG").getValue();
      //
      ////			HttpClientUtils.closeQuietly(response); // closes the response
      //			Params params = null;
      //			found = dbClient.find(DBLeaseImpl.class, entity.get_id(), params);

    }
    return entity;

    //
    //		Map<String, String> options = new HashMap<String, String>();
    //		options.put(XMLResource.OPTION_ENCODING, BTSConstants.ENCODING); // set
    //																			// encoding
    //																			// to
    //		// UTF-8
    //		Resource resource = entity.eResource();
    //		// check if entity has resource, that is if it was newly created or not
    //		if (resource == null)
    //		{
    //			URI uri = URI.createURI(getLocalDBURL() + "/" + DaoConstants.NOTIFICATION + "/" +
    // entity.get_id());
    //			logger.info("Resource was null, object was newly created and is persisted for the first
    // time: " + uri.path());
    //			resource = connectionProvider.getEmfResourceSet().createResource(uri);
    //			resource.getContents().add(entity);
    //		}
    //		else
    //		{
    //			CouchDbClient dbClient = connectionProvider.getDBClient(
    //					CouchDbClient.class, DaoConstants.NOTIFICATION);
    //			Response re = dbClient.save(entity);
    //			System.out.println(re);
    //			return entity;
    //		}
    //		while (resource.getContents().size() > 1)
    //		{
    //			resource.getContents().remove(1);
    //		}
    //
    //		try
    //		{
    //			resource.save(options);
    //		} catch (IOException e)
    //		{
    //			logger.error("error trying to save: " + entity, e);
    ////			throw new RuntimeException("Save Resource failed", e);
    //		}
    //		if (!resource.getContents().isEmpty())
    //		{
    //			return (DBLease) resource.getContents().remove(0);
    //		}
    //		return entity;
  }