Java Either类代码示例

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void create(JsonObject data, UserInfos user, Handler<Either<String, JsonObject>> handler) {
	String query =
			"CREATE (c:Community {props}), " +
			"c<-[:DEPENDS]-(cr:CommunityGroup:Group:Visible {name : c.name + '-read', type : 'read'}), " +
			"c<-[:DEPENDS]-(cc:CommunityGroup:Group:Visible {name : c.name + '-contrib', type : 'contrib', users : ''}), " +
			"c<-[:DEPENDS]-(cm:CommunityGroup:Group:Visible {name : c.name + '-manager', type : 'manager', users : ''}) " +
			"SET cr.id = id(cr)+'-'+timestamp(), " +
			"cc.id = id(cc)+'-'+timestamp(), cm.id = id(cm)+'-'+timestamp() " +
			"WITH c, cm, cr, cc " +
			"MATCH (u:User {id : {userId}}) " +
			"CREATE u-[:IN]->cm, u-[:COMMUNIQUE]->cm, " +
			"cc-[:COMMUNIQUE]->cr, cc-[:COMMUNIQUE]->cm, " +
			"cm-[:COMMUNIQUE]->cr, cm-[:COMMUNIQUE]->cc " +
			"RETURN c.id as id, cr.id as read, cc.id as contrib, cm.id as manager";
	JsonObject params = new JsonObject()
			.putString("userId", user.getUserId())
			.putObject("props", data.putString("id", UUID.randomUUID().toString()));
	neo4j.execute(query, params, validUniqueResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void update(String id, JsonObject data, Handler<Either<String, JsonObject>> handler) {
	String name = data.getString("name");
	String query;
	if (name != null && !name.trim().isEmpty()) {
		query = "MATCH (c:Community { id : {id}})<-[:DEPENDS]-(g:CommunityGroup) " +
				"SET " + nodeSetPropertiesFromJson("c", data) +
				", g.name = {name} + '-' + LAST(SPLIT(g.name, '-')) " +
				"RETURN DISTINCT c.id as id, c.pageId as pageId";
	} else {
		query = "MATCH (c:Community { id : {id}}) " +
				"SET " + nodeSetPropertiesFromJson("c", data) + " " +
				"RETURN c.id as id";
	}
	data.putString("id", id);
	neo4j.execute(query, data, validUniqueResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void updateShare(String pageId, String userId, JsonObject value, Handler<Either<String, JsonObject>> handler) {
	JsonArray shared = new JsonArray();
	shared.add(new JsonObject().putString("groupId", value.getString("read")).
			putBoolean("net-atos-entng-community-controllers-PagesController|get", true));
	shared.add(new JsonObject().putString("groupId", value.getString("contrib")).
			putBoolean("net-atos-entng-community-controllers-PagesController|get", true).
			putBoolean("net-atos-entng-community-controllers-PagesController|update", true));
	shared.add(new JsonObject().putString("groupId", value.getString("manager")).
			putBoolean("net-atos-entng-community-controllers-PagesController|get", true).
			putBoolean("net-atos-entng-community-controllers-PagesController|update", true).
			putBoolean("net-atos-entng-community-controllers-PagesController|delete", true));

	MongoUpdateBuilder updateQuery = new MongoUpdateBuilder().set("shared", shared);
	QueryBuilder query = QueryBuilder.start("_id").is(pageId);
	mongo.update(conf.getCollection(), MongoQueryBuilder.build(query), updateQuery.build(), MongoDbResult.validActionResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Put("/:id")
@SecuredAction(value = "", type = ActionType.RESOURCE)
public void update(final HttpServerRequest request) {
	RequestUtils.bodyToJson(request, pathPrefix + "update", new Handler<JsonObject>() {
		@Override
		public void handle(JsonObject body) {
			if (body.size() > 0) {
				String name = body.getString("name");
				Handler<Either<String, JsonObject>> handler = (name != null && !name.trim().isEmpty()) ?
						updatePageHandler(request, name) : notEmptyResponseHandler(request);
				communityService.update(request.params().get("id"), body, handler);
			} else {
				badRequest(request, "empty.json");
			}
		}
	});
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Get("/:id/users")
@SecuredAction(value = "", type = ActionType.RESOURCE)
public void listUsers(final HttpServerRequest request) {
	List<String> t = request.params().getAll("type");
	JsonArray types = (t != null && !t.isEmpty()) ?
			new JsonArray(t.toArray()) : resourcesTypes; //new JsonArray(RightsController.allowedSharingRights.toArray());
	communityService.listUsers(request.params().get("id"), types, new Handler<Either<String, JsonObject>>() {
		@Override
		public void handle(final Either<String, JsonObject> event) {
			final Handler<Either<String, JsonObject>> handler = defaultResponseHandler(request);
			if (event.isRight()) {
				final JsonObject res = event.right().getValue();
				listVisible(request, I18n.acceptLanguage(request), new Handler<JsonObject>() {
					@Override
					public void handle(final JsonObject visibles) {
						res.putObject("visibles", visibles);
						handler.handle(event);
					}
				});
			} else {
				handler.handle(event);
			}
		}
	});
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void listUserBookings(final UserInfos user, final Handler<Either<String, JsonArray>> handler){
	StringBuilder query = new StringBuilder();
	query.append("SELECT b.*, u.username AS owner_name, m.username AS moderator_name")
		.append(" FROM rbs.booking AS b")
		.append(" INNER JOIN rbs.users AS u ON b.owner = u.id")
		.append(" LEFT JOIN rbs.users AS m on b.moderator_id = m.id")
		.append(" WHERE b.owner = ?")
		.append(" ORDER BY b.start_date, b.end_date");

	JsonArray values = new JsonArray();
	values.add(user.getUserId());

	Sql.getInstance().prepared(query.toString(), values,
			validResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void listFullSlotsBooking(final String bookingId,
							final Handler<Either<String, JsonArray>> handler){
	StringBuilder query = new StringBuilder();
	JsonArray values = new JsonArray();

	//find all booking without periodic booking
	query.append("SELECT b.*, u.username AS owner_name, m.username AS moderator_name")
			.append(" FROM rbs.booking AS b")
			.append(" LEFT JOIN rbs.users AS u ON u.id = b.owner")
			.append(" LEFT JOIN rbs.users AS m on b.moderator_id = m.id")
			.append(" WHERE b.parent_booking_id=?");
	values.add(parseId(bookingId));

	query.append(" ORDER BY b.start_date, b.end_date");

	Sql.getInstance().prepared(query.toString(), values,
			validResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public void getDelaysAndTypeProperties(long resourceId, Handler<Either<String, JsonObject>> handler) {
	StringBuilder query = new StringBuilder("SELECT r.min_delay, r.max_delay, t.owner, t.school_id,");

	// Subquery to return managers
	query.append(" (SELECT json_agg(DISTINCT ts.member_id) FROM rbs.resource_type_shares AS ts")
		.append(" WHERE ts.resource_id = t.id")
		.append(" AND ts.action = 'net-atos-entng-rbs-controllers-ResourceTypeController|shareJsonSubmit') AS managers");

	query.append(" FROM rbs.resource AS r")
		.append(" INNER JOIN rbs.resource_type AS t ON r.type_id = t.id")
		.append(" WHERE r.id = ?");

	JsonArray values = new JsonArray().add(resourceId);

	Sql.getInstance().prepared(query.toString(), values, validUniqueResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void getModeratorsIds(final String typeId, final Handler<Either<String, JsonArray>> handler) {

	StringBuilder query = new StringBuilder();
	JsonArray values = new JsonArray();

	query.append("SELECT DISTINCT m.*")
		.append(" FROM rbs.resource_type AS t")
		.append(" INNER JOIN rbs.resource_type_shares AS ts ON t.id = ts.resource_id")
		.append(" INNER JOIN rbs.members AS m ON (ts.member_id = m.id)")
		.append(" WHERE ts.action = 'net-atos-entng-rbs-controllers-BookingController|processBooking'")
		.append(" AND t.id = ?")
		.append(" GROUP BY m.id");
	values.add(parseId(typeId));

	query.append(" UNION")
		.append(" SELECT t.owner as id, t.owner as user_id, null as group_id")
		.append(" FROM rbs.resource_type AS t")
		.append(" WHERE t.id = ?");
	values.add(parseId(typeId));

	Sql.getInstance().prepared(query.toString(), values, validResultHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
private void notifyOwner(final HttpServerRequest request, final UserInfos user, final JsonObject resource, final String infoId, final String eventType) {
        infoService.getOwnerInfo(infoId, new Handler<Either<String, JsonObject>>() {
            @Override
            public void handle(Either<String, JsonObject> event) {
                if (event.isRight()) {
                    String ownerId = event.right().getValue().getString("owner");
                    if (!ownerId.equals(user.getUserId()) && resource.containsField("thread_id") && resource.containsField("title")) {
                        UserInfos owner = new UserInfos();
                        owner.setUserId(ownerId);
                        notifyTimeline(request,  user, owner, resource.getNumber("thread_id").toString(), infoId, resource.getString("title"), eventType);
                    }
                } else {
                    log.error("Unable to create notification : GetOwnerInfo failed");
                }
            }
        });
//            notifyTimeline(request, user, resource.getString("thread_id"), infoId, resource.getString("title"), NEWS_UPDATE_EVENT_TYPE);
    }
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void deleteGroups(JsonArray groups) {
	if (groups != null && groups.size() > 0){
		final JsonArray groupsIds = new JsonArray();
		for (Object o : groups) {
			if (!(o instanceof JsonObject)) continue;
			final JsonObject j = (JsonObject) o;
			groupsIds.add(j.getString("group"));
		}
		if (groupsIds.size() > 0) {
			SqlStatementsBuilder statementsBuilder = new SqlStatementsBuilder();
			statementsBuilder.prepared("DELETE FROM rbs.groups WHERE id IN " + Sql.listPrepared(groupsIds.toArray()), groupsIds);
			Sql.getInstance().transaction(statementsBuilder.build(), SqlResult.validRowsResultHandler(new Handler<Either<String, JsonObject>>() {
				@Override
				public void handle(Either<String, JsonObject> event) {
					if (event.isRight()) {
						log.info("Removed share on ResourceTypes and Resources for groups : " + groupsIds.toList().toString());
					} else {
						log.error("Failed to remove share on ResourceTypes and Resources for groups : " + groupsIds.toList().toString() + " Error message : " + event.left().getValue());
					}
				}
			}));
		}
	}
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void retrieve(String id, Handler<Either<String, JsonObject>> handler) {
	String query;
	JsonArray values = new JsonArray();
	if (id != null) {
		query = "SELECT t.id as _id, t.title, t.icon, t.mode, t.created, t.modified, t.owner, u.username" +
			", json_agg(row_to_json(row(ts.member_id, ts.action)::actualites.share_tuple)) as shared" +
			", array_to_json(array_agg(group_id)) as groups" +
			" FROM actualites.thread AS t" +
			" LEFT JOIN actualites.users AS u ON t.owner = u.id" +
			" LEFT JOIN actualites.thread_shares AS ts ON t.id = ts.resource_id" +
			" LEFT JOIN actualites.members AS m ON (ts.member_id = m.id AND m.group_id IS NOT NULL)" +
			" WHERE t.id = ? " +
			" GROUP BY t.id, u.username" +
			" ORDER BY t.modified DESC";
		values.add(Sql.parseId(id));
		Sql.getInstance().prepared(query.toString(), values, SqlResult.parseSharedUnique(handler));
	}
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
@Override
public void searchResource(List<String> appFilters, String userId, JsonArray groupIds, JsonArray searchWords, Integer page, Integer limit,
						   final JsonArray columnsHeader, final String locale, final Handler<Either<String, JsonArray>> handler) {
	if (appFilters.contains(ShareBigFilesSearchingEvents.class.getSimpleName())) {
		final List<String> returnFields = new ArrayList<String>();
		returnFields.add("fileNameLabel");
		returnFields.add("description");
		returnFields.add("modified");
		returnFields.add("owner.userId");
		returnFields.add("owner.displayName");

		searchService.search(userId, groupIds.toList(), returnFields, searchWords.toList(), page, limit, new Handler<Either<String, JsonArray>>() {
			@Override
			public void handle(Either<String, JsonArray> event) {
				if (event.isRight()) {
					final JsonArray res = formatSearchResult(event.right().getValue(), columnsHeader, locale);
					handler.handle(new Right<String, JsonArray>(res));
				} else {
					handler.handle(new Either.Left<String, JsonArray>(event.left().getValue()));
				}
				if (log.isDebugEnabled()) {
					log.debug("[ShareBigFilesSearchingEvents][searchResource] The resources searched by user are finded");
				}
			}
		});
	} else {
		handler.handle(new Right<String, JsonArray>(new JsonArray()));
	}
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
public void retrieves(List<String> ids, final JsonObject projection, UserInfos user, Handler<Either<String, JsonArray>> handler) {
	QueryBuilder builder = QueryBuilder.start("_id").in(new HashSet<String>(ids));
	if (user == null) {
		builder.put("visibility").is(VisibilityFilter.PUBLIC.name());
	}
	mongo.find(ShareBigFiles.SHARE_BIG_FILE_COLLECTION, MongoQueryBuilder.build(builder),
			null, projection, validResultsHandler(handler));
}
 

import fr.wseduc.webutils.Either; //导入依赖的package包/类
/**
 * Lists every object associated with the user.
 * @param request Client request.
 */
@Get("/list")
@SecuredAction(value = read_only, type = ActionType.AUTHENTICATED)
public void list(final HttpServerRequest request) {
	UserUtils.getUserInfos(eb, request, new Handler<UserInfos>() {
		@Override
		public void handle(final UserInfos user) {
			String filter = request.params().get("filter");
			VisibilityFilter v = VisibilityFilter.ALL;
			if (filter != null) {
				try {
					v = VisibilityFilter.valueOf(filter.toUpperCase());
				} catch (IllegalArgumentException | NullPointerException e) {
					v = VisibilityFilter.ALL;
					if (log.isDebugEnabled()) {
						log.debug("Invalid filter " + filter);
					}
				}
			}

			shareBigFileCrudService.list(v, user, new Handler<Either<String, JsonArray>>() {
				@Override
				public void handle(Either<String, JsonArray> event) {
					if (event.isRight()) {
						Renders.renderJson(request, event.right().getValue());
					} else {
						leftToResponse(request, event.left());
					}
				}

			});
		}
	});
}