| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.rest.presentation; |
| |
| import org.apache.ignite.configuration.validation.ConfigurationValidationException; |
| import org.apache.ignite.lang.IgniteException; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Representing a configuration to/from representation form. |
| * |
| * @param <R> Representation form. |
| */ |
| public interface ConfigurationPresentation<R> { |
| /** |
| * Converts to presentation whole system configuration (all system modules are included). |
| * |
| * @return System configuration presentation converted to a given presentation type. |
| */ |
| R represent(); |
| |
| /** |
| * Converts to presentation only a fraction of system configuration defined by given path. |
| * |
| * If null path is passed method should fall back to returning whole system configuration. |
| * |
| * @param path Path to requested configuration in configuration tree or {@code null}. |
| * @return Requested configuration fraction or whole configuration if {@code null} was passed. |
| * @throws IllegalArgumentException If {@code path} is not found in current configuration. |
| */ |
| R representByPath(@Nullable String path); |
| |
| /** |
| * Converts and applies configuration update request to system configuration. |
| * |
| * @param cfgUpdate Configuration update request in representation form. |
| * @throws IllegalArgumentException If the configuration format is invalid. |
| * @throws ConfigurationValidationException If configuration validation failed. |
| * @throws IgniteException If an error happens. |
| */ |
| void update(R cfgUpdate); |
| } |