001/*
002 * Copyright 2022-2026 Revetware LLC.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.soklet;
018
019/**
020 * Declares who protects request state for one MCP operation.
021 *
022 * <p>This selection does not create a cross-request application session.
023 * Every retry remains an independent request and must carry its state again.
024 *
025 * <p>
026 * This type may gain reviewed constants in Soklet 4.x; use a forward-compatible default when switching over its values.
027 *
028 * @author <a href="https://www.revetkn.com">Mark Allen</a>
029 */
030public enum McpRequestStateMode {
031        /** The operation does not use request state. */
032        NONE,
033        /** Soklet protects application-defined JSON state on the wire. */
034        FRAMEWORK_PROTECTED,
035        /**
036         * The application owns protection of an opaque state string.
037         *
038         * <p>A durable application commonly uses the string as an unguessable
039         * handle into an application-owned repository. The application owns record
040         * durability, principal and authorization-context binding, integrity,
041         * confidentiality, expiry, duplicate-use handling, and atomic handle rotation.
042         * Soklet only transports the string and does not provide that repository or
043         * those protections.
044         */
045        APPLICATION_PROTECTED
046}