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package org.jooq;

import org.jooq.exception.DataMigrationException;
import org.jooq.exception.DataMigrationValidationException;

An executable migration between two Version instances. 

This is EXPERIMENTAL functionality and subject to change in future jOOQ
versions.
Author:
Lukas Eder/**
 * An executable migration between two {@link Version} instances.
 * <p>
 * This is EXPERIMENTAL functionality and subject to change in future jOOQ
 * versions.
 *
 * @author Lukas Eder
 */
@Internal
public interface Migration extends Scope {

    
The version that is being migrated from.
/**
     * The version that is being migrated from.
     */
    Version from();

    
The version that is being migrated to.
/**
     * The version that is being migrated to.
     */
    Version to();

    
The queries that are executed by the migration.
/**
     * The queries that are executed by the migration.
     */
    Queries queries();

    
Validate a migration.
Throws:
DataMigrationValidationException – When something went wrong during
            the validation of the migration./**
     * Validate a migration.
     *
     * @throws DataMigrationValidationException When something went wrong during
     *             the validation of the migration.
     */
    void validate() throws DataMigrationValidationException;

    
Apply the migration.
Throws:
DataMigrationException – When something went wrong during the
            application of the migration./**
     * Apply the migration.
     *
     * @throws DataMigrationException When something went wrong during the
     *             application of the migration.
     */
    void execute() throws DataMigrationException;
}