/** * Copyright © 2016-2017 The Thingsboard Authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.thingsboard.server.dao.event; import org.thingsboard.server.common.data.Event; import org.thingsboard.server.common.data.id.EntityId; import org.thingsboard.server.common.data.id.TenantId; import org.thingsboard.server.common.data.page.TimePageData; import org.thingsboard.server.common.data.page.TimePageLink; import java.util.List; import java.util.Optional; public interface EventService { Event save(Event event); Optional<Event> saveIfNotExists(Event event); Optional<Event> findEvent(TenantId tenantId, EntityId entityId, String eventType, String eventUid); TimePageData<Event> findEvents(TenantId tenantId, EntityId entityId, TimePageLink pageLink); TimePageData<Event> findEvents(TenantId tenantId, EntityId entityId, String eventType, TimePageLink pageLink); }