001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.rest.server.mcp;
018
019/**
020 * The kind of change a neutral MCP subscription can be notified about.
021 *
022 * <p>
023 * Mirrors the four notification shapes SEP-2575 defines for {@code subscriptions/listen}: one per-resource
024 * change and three list-changed signals. {@link #RESOURCE_UPDATED} is the only kind that carries a resource
025 * URI (see {@link McpChangeEvent#resourceUri()}).
026 */
027public enum McpChangeKind {
028
029   /** A specific subscribed resource's content changed. */
030   RESOURCE_UPDATED,
031
032   /** The tool list changed. */
033   TOOLS_LIST_CHANGED,
034
035   /** The prompt list changed. */
036   PROMPTS_LIST_CHANGED,
037
038   /** The resource list changed. */
039   RESOURCES_LIST_CHANGED
040}