TableLockingExecutionTemplate.java

/*-
 * ========================LICENSE_START=================================
 * flyway-core
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * Licensed 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.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.core.internal.jdbc;

import lombok.AccessLevel;
import lombok.RequiredArgsConstructor;
import org.flywaydb.core.internal.database.base.Table;

import java.util.concurrent.Callable;

@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
public class TableLockingExecutionTemplate implements ExecutionTemplate {
    private final Table table;
    private final ExecutionTemplate executionTemplate;

    @Override
    public <T> T execute(final Callable<T> callback) {
        return executionTemplate.execute(new Callable<T>() {
            @Override
            public T call() throws Exception {
                try {
                    table.lock();
                    return callback.call();
                } finally {
                    table.unlock();
                }
            }
        });
    }
}