org.kualigan.maven.plugins.liquibase

Class RollbackMojo

java.lang.Object

org.apache.maven.plugin.AbstractMojo

org.liquibase.maven.plugins.AbstractLiquibaseMojo

org.liquibase.maven.plugins.AbstractLiquibaseChangeLogMojo

org.liquibase.maven.plugins.LiquibaseRollback

org.kualigan.maven.plugins.liquibase.RollbackMojo

All Implemented Interfaces:

org.apache.maven.plugin.ContextEnabled, org.apache.maven.plugin.Mojo

public class RollbackMojo
extends org.liquibase.maven.plugins.LiquibaseRollback

Undo for a migration of Liquibase changelogs. Basically, rolls back any changes that were made in the most recent migration.

Author:

Leo Przybylski

Nested Class Summary

Nested classes/interfaces inherited from class org.liquibase.maven.plugins.LiquibaseRollback

org.liquibase.maven.plugins.LiquibaseRollback.RollbackType

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	clearCheckSums Flag for forcing the checksums to be cleared from teh DatabaseChangeLog table.
protected String	databaseClass The class to use as the database object.
static String	DEFAULT_CHANGELOG_PATH
protected String	defaultSchemaName The default schema name to use the for database connection.
protected String	driver The fully qualified name of the driver class to use to connect to the database.
protected boolean	emptyPassword Deprecated. Use an empty or null value for the password instead.
protected boolean	includeArtifact Allows for the maven project artifact to be included in the class loader for obtaining the Liquibase property and DatabaseChangeLog files.
protected boolean	includeTestOutputDirectory Allows for the maven test output directory to be included in the class loader for obtaining the Liquibase property and DatabaseChangeLog files.
protected String	logging Controls the level of logging from Liquibase when executing.
protected String	password The database password to use to connect to the specified database.
protected boolean	promptOnNonLocalDatabase Controls the prompting of users as to whether or not they really want to run the changes on a database that is not local to the machine that the user is current executing the plugin on.
protected String	propertyFile The Liquibase properties file used to configure the Liquibase Liquibase.
protected boolean	propertyFileWillOverride Flag allowing for the Liquibase properties file to override any settings provided in the Maven plugin configuration.
protected Properties	systemProperties List of system properties to pass to the database.
protected String	url The Database URL to connect to for executing Liquibase.
protected String	username The database username to use to connect to the specified database.
protected boolean	verbose Controls the verbosity of the output from invoking the plugin.
protected org.apache.maven.artifact.manager.WagonManager	wagonManager The Maven Wagon manager to use when obtaining server authentication details.

Fields inherited from class org.liquibase.maven.plugins.LiquibaseRollback

rollbackCount, rollbackDate, rollbackTag, type

Fields inherited from class org.liquibase.maven.plugins.AbstractLiquibaseChangeLogMojo

changeLogFile, contexts

Fields inherited from class org.liquibase.maven.plugins.AbstractLiquibaseMojo

project, skip

Fields inherited from interface org.apache.maven.plugin.Mojo

ROLE

Constructor Summary

Constructors

Constructor and Description
RollbackMojo()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doFieldHack()
void	execute()
protected File	getBasedir()
protected Field	getDeclaredField(Class clazz, String fieldName) Recursively searches for the field specified by the fieldName in the class and all the super classes until it either finds it, or runs out of parents.
protected void	parsePropertiesFile(InputStream propertiesInputStream) Parses a properties file and sets the assocaited fields in the plugin.
protected void	performLiquibaseTask(liquibase.Liquibase liquibase)
protected void	printSettings(String indent)

Methods inherited from class org.liquibase.maven.plugins.LiquibaseRollback

checkRequiredParametersAreSpecified

Methods inherited from class org.liquibase.maven.plugins.AbstractLiquibaseChangeLogMojo

createLiquibase, getFileOpener

Methods inherited from class org.liquibase.maven.plugins.AbstractLiquibaseMojo

cleanup, configureFieldsAndValues, getClassLoaderIncludingProjectClasspath, getLiquibase, getMavenArtifactClassLoader, isPromptOnNonLocalDatabase

Methods inherited from class org.apache.maven.plugin.AbstractMojo

getLog, getPluginContext, setLog, setPluginContext

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CHANGELOG_PATH

public static final String DEFAULT_CHANGELOG_PATH

See Also:

Constant Field Values

driver

protected String driver

The fully qualified name of the driver class to use to connect to the database.

url

protected String url

The Database URL to connect to for executing Liquibase.

wagonManager

protected org.apache.maven.artifact.manager.WagonManager wagonManager

The Maven Wagon manager to use when obtaining server authentication details.

username

protected String username

The database username to use to connect to the specified database.

password

protected String password

The database password to use to connect to the specified database.

emptyPassword

protected boolean emptyPassword

Deprecated. Use an empty or null value for the password instead.

Use an empty string as the password for the database connection. This should not be used along side the password setting.

defaultSchemaName

protected String defaultSchemaName

The default schema name to use the for database connection.

databaseClass

protected String databaseClass

The class to use as the database object.

promptOnNonLocalDatabase

protected boolean promptOnNonLocalDatabase

Controls the prompting of users as to whether or not they really want to run the changes on a database that is not local to the machine that the user is current executing the plugin on.

includeArtifact

protected boolean includeArtifact

Allows for the maven project artifact to be included in the class loader for obtaining the Liquibase property and DatabaseChangeLog files.

includeTestOutputDirectory

protected boolean includeTestOutputDirectory

Allows for the maven test output directory to be included in the class loader for obtaining the Liquibase property and DatabaseChangeLog files.

verbose

protected boolean verbose

Controls the verbosity of the output from invoking the plugin.

logging

protected String logging

Controls the level of logging from Liquibase when executing. The value can be "all", "finest", "finer", "fine", "info", "warning", "severe" or "off". The value is case insensitive.

propertyFile

protected String propertyFile

The Liquibase properties file used to configure the Liquibase Liquibase.

propertyFileWillOverride

protected boolean propertyFileWillOverride

Flag allowing for the Liquibase properties file to override any settings provided in the Maven plugin configuration. By default if a property is explicity specified it is not overridden if it also appears in the properties file.

clearCheckSums

protected boolean clearCheckSums

Flag for forcing the checksums to be cleared from teh DatabaseChangeLog table.

systemProperties

protected Properties systemProperties

List of system properties to pass to the database.

Constructor Detail

RollbackMojo

public RollbackMojo()

Method Detail

getBasedir

protected File getBasedir()

doFieldHack

protected void doFieldHack()

execute

public void execute()
             throws org.apache.maven.plugin.MojoExecutionException,
                    org.apache.maven.plugin.MojoFailureException

Specified by:

execute in interface org.apache.maven.plugin.Mojo

Overrides:

execute in class org.liquibase.maven.plugins.AbstractLiquibaseMojo

Throws:

org.apache.maven.plugin.MojoExecutionException

org.apache.maven.plugin.MojoFailureException

performLiquibaseTask

protected void performLiquibaseTask(liquibase.Liquibase liquibase)
                             throws liquibase.exception.LiquibaseException

Overrides:

performLiquibaseTask in class org.liquibase.maven.plugins.LiquibaseRollback

Throws:

liquibase.exception.LiquibaseException

printSettings

protected void printSettings(String indent)

Overrides:

printSettings in class org.liquibase.maven.plugins.LiquibaseRollback

parsePropertiesFile

protected void parsePropertiesFile(InputStream propertiesInputStream)
                            throws org.apache.maven.plugin.MojoExecutionException

Parses a properties file and sets the assocaited fields in the plugin.

Overrides:

parsePropertiesFile in class org.liquibase.maven.plugins.AbstractLiquibaseMojo

Parameters:

propertiesInputStream - The input stream which is the Liquibase properties that needs to be parsed.

Throws:

org.apache.maven.plugin.MojoExecutionException - If there is a problem parsing the file.

getDeclaredField

protected Field getDeclaredField(Class clazz,
                     String fieldName)
                          throws NoSuchFieldException

Recursively searches for the field specified by the fieldName in the class and all the super classes until it either finds it, or runs out of parents.

Parameters:

clazz - The Class to start searching from.

fieldName - The name of the field to retrieve.

Returns:

The Field identified by the field name.

Throws:

NoSuchFieldException - If the field was not found in the class or any of its super classes.