001// --------------------------------------------------------------------------------
002// Copyright 2002-2026 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.mutex;
018
019import com.echothree.util.server.persistence.Session;
020import javax.enterprise.context.Dependent;
021import javax.enterprise.inject.Produces;
022import javax.inject.Inject;
023
024@Dependent
025public class DatabaseMutexFlavorProducer {
026
027    @Inject
028    Session session;
029
030    @Produces
031    @Dependent
032    public DatabaseMutexFlavor.Flavor deriveFlavor() {
033        var family = session.getDslContext().configuration().dialect().family();
034
035        return switch(family) {
036            case MYSQL, MARIADB -> DatabaseMutexFlavor.Flavor.MYSQL;
037            case POSTGRES -> DatabaseMutexFlavor.Flavor.POSTGRES;
038            default -> throw new IllegalStateException("Unsupported database family: " + family);
039        };
040    }
041
042}