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/*-
 * ========================LICENSE_START=================================
 * flyway-gradle-plugin
 * ========================================================================
 * Copyright (C) 2010 - 2024 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.gradle.task;

import org.flywaydb.core.Flyway;

/**
 * Validate applied migrations against resolved ones (on the filesystem or classpath)
 * to detect accidental changes that may prevent the schema(s) from being recreated exactly.
 * Validation fails if
 * 
 *     differences in migration names, types or checksums are found
 *     versions have been applied that aren't resolved locally anymore
 *     versions have been resolved that haven't been applied yet
 * 
 *
 * 
 */
public class FlywayValidateTask extends AbstractFlywayTask {
    public FlywayValidateTask() {
        super();
        setDescription("Validate applied migrations against resolved ones (on the filesystem or classpath) " +
                               "to detect accidental changes that may prevent the schema(s) from being recreated exactly. " +
                               "Validation fails if differences in migration names, types or checksums are found, " +
                               "versions have been applied that aren\"t resolved locally anymore or " +
                               "versions have been resolved that haven\"t been applied yet");
    }

    @Override
    protected Object run(Flyway flyway) {
        flyway.validate();
        return null;
    }
}