com.googlecode.flyway.core.migration
Class Migration

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

All Implemented Interfaces:

java.lang.Comparable<Migration>

Direct Known Subclasses:

BaseMigration

public class Migration
extends java.lang.Object
implements java.lang.Comparable<Migration>

A migration of a single version of the schema.

Author:

Axel Fontaine

Field Summary

protected java.lang.Long	checksum The crc-32 checksum of the script.
protected java.lang.Integer	executionTime The time (in ms) it took to execute.
protected java.util.Date	installedOn The timestamp when this migration was applied to the database.
protected MigrationState	migrationState The state of this migration.
protected SchemaVersion	schemaVersion The target schema version of this migration.
protected java.lang.String	scriptName The script name for the migration history.

Constructor Summary

Migration()

Method Summary

void	assertNotFailed() Asserts that this migration has not failed.
int	compareTo(Migration o)
protected void	doMigrate(org.springframework.transaction.support.TransactionTemplate transactionTemplate, org.springframework.jdbc.core.JdbcTemplate jdbcTemplate, DbSupport dbSupport) Performs the migration.
java.lang.Long	getChecksum()
java.lang.Integer	getExecutionTime()
java.util.Date	getInstalledOn()
java.lang.String	getScriptName()
MigrationState	getState()
SchemaVersion	getVersion()
void	migrate(org.springframework.transaction.support.TransactionTemplate transactionTemplate, org.springframework.jdbc.core.JdbcTemplate jdbcTemplate, DbSupport dbSupport) Performs the migration.

Methods inherited from class java.lang.Object

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

Field Detail

schemaVersion

protected SchemaVersion schemaVersion

The target schema version of this migration.

migrationState

protected MigrationState migrationState

The state of this migration.

installedOn

protected java.util.Date installedOn

The timestamp when this migration was applied to the database. (Automatically set by the database)

executionTime

protected java.lang.Integer executionTime

The time (in ms) it took to execute.

scriptName

protected java.lang.String scriptName

The script name for the migration history.

checksum

protected java.lang.Long checksum

The crc-32 checksum of the script.

Constructor Detail

Migration

public Migration()

Method Detail

getChecksum

public java.lang.Long getChecksum()

Returns:

The crc-32 checksum of the script.

getVersion

public SchemaVersion getVersion()

Returns:

The schema version after the migration is complete.

getState

public MigrationState getState()

Returns:

The state of this migration.

getInstalledOn

public java.util.Date getInstalledOn()

Returns:

The timestamp when this migration was applied to the database. (Automatically set by the database)

getExecutionTime

public java.lang.Integer getExecutionTime()

Returns:

The time (in ms) it took to execute.

getScriptName

public java.lang.String getScriptName()

Returns:

The script name for the migration history.

assertNotFailed

public void assertNotFailed()

Asserts that this migration has not failed.

Throws:

java.lang.IllegalStateException - Thrown when this migration has failed.

migrate

public final void migrate(org.springframework.transaction.support.TransactionTemplate transactionTemplate,
                          org.springframework.jdbc.core.JdbcTemplate jdbcTemplate,
                          DbSupport dbSupport)

Performs the migration. The migration state and the execution time are updated accordingly.

Parameters:

transactionTemplate - The transaction template to use.

jdbcTemplate - To execute the migration statements.

dbSupport - The support for database-specific extensions.

compareTo

public int compareTo(Migration o)

Specified by:

compareTo in interface java.lang.Comparable<Migration>

doMigrate

protected void doMigrate(org.springframework.transaction.support.TransactionTemplate transactionTemplate,
                         org.springframework.jdbc.core.JdbcTemplate jdbcTemplate,
                         DbSupport dbSupport)
                  throws org.springframework.dao.DataAccessException

Performs the migration.

Parameters:

transactionTemplate - The transaction template to use.

jdbcTemplate - To execute the migration statements.

dbSupport - The support for database-specific extensions.

Throws:

org.springframework.dao.DataAccessException - Thrown when the migration failed.