001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 Echo Three, 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.echothree.util.server.persistence;
018
019public class ThreadUtils {
020
021    private ThreadUtils() {}
022
023    public static class PreservedState {
024        private ThreadSession.PreservedSession preservedSession;
025        private ThreadCaches.PreservedCaches preservedCaches;
026
027        private PreservedState(ThreadSession.PreservedSession preservedSession, ThreadCaches.PreservedCaches preservedCaches) {
028            this.preservedSession = preservedSession;
029            this.preservedCaches = preservedCaches;
030        }
031    }
032
033    public static PreservedState preserveState() {
034        return new PreservedState(ThreadSession.preserve(), ThreadCaches.preserve());
035    }
036
037    public static void restoreState(PreservedState preservedState) {
038        ThreadCaches.restore(preservedState.preservedCaches);
039        ThreadSession.restore(preservedState.preservedSession);
040    }
041
042    public static void close() {
043        ThreadCaches.close();
044        ThreadSession.close();
045    }
046
047}