Was created dao interface

+/**
+ * Copyright © 2016-2018 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.entityview;
+
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.page.TextPageLink;
+import org.thingsboard.server.dao.Dao;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * Created by Victor Basanets on 8/28/2017.
+ */
+public interface EntityViewDao extends Dao<EntityView> {
+
+    /**
+     * Find entity views by tenantId and page link.
+     *
+     * @param tenantId the tenantId
+     * @param pageLink the page link
+     * @return the list of entity view objects
+     */
+    List<EntityView> findEntityViewByTenantId(UUID tenantId, TextPageLink pageLink);
+
+    /**
+     * Find entity views by tenantId and entity view name.
+     *
+     * @param tenantId the tenantId
+     * @param name the entity view name
+     * @return the optional entity view object
+     */
+    Optional<EntityView> findEntityViewByTenantIdAndName(UUID tenantId, String name);
+
+    /**
+     * Find entity views by tenantId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of entity view objects
+     */
+    List<EntityView> findEntityViewByTenantIdAndType(UUID tenantId, String type, TextPageLink pageLink);
+
+    /**
+     * Find entity views by tenantId, customerId and page link.
+     *
+     * @param tenantId the tenantId
+     * @param customerId the customerId
+     * @param pageLink the page link
+     * @return the list of entity view objects
+     */
+    List<EntityView> findEntityViewsByTenantIdAndCustomerId(UUID tenantId, UUID customerId, TextPageLink pageLink);
+
+    /**
+     * Find entity views by tenantId, customerId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param customerId the customerId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of entity view objects
+     */
+    List<EntityView> findEntityViewsByTenantIdAndCustomerIdAndType(UUID tenantId, UUID customerId, String type,
+                                                                   TextPageLink pageLink);
+
+}