com.googlecode.flyway.core.migration
Class DbMigrator

java.lang.Object
  com.googlecode.flyway.core.migration.DbMigrator

public class DbMigrator
extends java.lang.Object

Main workflow for migrating the database.

Author:

Axel Fontaine

Constructor Summary

DbMigrator(org.springframework.transaction.support.TransactionTemplate transactionTemplate, org.springframework.jdbc.core.JdbcTemplate jdbcTemplate, DbSupport dbSupport, MetaDataTable metaDataTable, SchemaVersion target, boolean ignoreFailedFutureMigration)
Creates a new database migrator.

Method Summary

MetaDataTableRow	applyMigration(Migration migration) Applies this migration to the database.
int	migrate(java.util.List<Migration> migrations) Starts the actual migration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DbMigrator

public DbMigrator(org.springframework.transaction.support.TransactionTemplate transactionTemplate,
                  org.springframework.jdbc.core.JdbcTemplate jdbcTemplate,
                  DbSupport dbSupport,
                  MetaDataTable metaDataTable,
                  SchemaVersion target,
                  boolean ignoreFailedFutureMigration)

Creates a new database migrator.

Parameters:

transactionTemplate - The transaction template to use.

jdbcTemplate - JdbcTemplate with ddl manipulation access to the database.

dbSupport - Database-specific functionality.

metaDataTable - The database metadata table.

target - The target version of the migration.

ignoreFailedFutureMigration - Flag whether to ignore failed future migrations or not.

Method Detail

migrate

public int migrate(java.util.List<Migration> migrations)
            throws FlywayException

Starts the actual migration.

Parameters:

migrations - The available migrations.

Returns:

The number of successfully applied migrations.

Throws:

FlywayException - when migration failed.

applyMigration

public final MetaDataTableRow applyMigration(Migration migration)
                                      throws MigrationException

Applies this migration to the database. The migration state and the execution time are updated accordingly.

Parameters:

migration - The migration to apply.

Returns:

The row that was added to the metadata table.

Throws:

MigrationException - when the migration failed.