Package liquibase.command.core

Class RollbackCommandStep

java.lang.Object

liquibase.command.AbstractCommandStep

liquibase.command.core.AbstractRollbackCommandStep

liquibase.command.core.RollbackCommandStep

All Implemented Interfaces:

CommandStep

Direct Known Subclasses:

RollbackSqlCommandStep

public class RollbackCommandStep
extends AbstractRollbackCommandStep

RollbackCommandStep performs the rollback-to-tag logic. For backwards compatibility issues it is not called "RollbackToTag"

Field Summary

Fields

Modifier and Type	Field	Description
static String[]	COMMAND_NAME
static CommandArgumentDefinition<String>	TAG_ARG
static CommandArgumentDefinition<String>	TAG_VERSION_ARG

Fields inherited from class liquibase.command.core.AbstractRollbackCommandStep

ROLLBACK_SCRIPT_ARG

Fields inherited from class liquibase.command.AbstractCommandStep

coreBundle

Fields inherited from interface liquibase.command.CommandStep

ORDER_DEFAULT, ORDER_NOT_APPLICABLE

Constructor Summary

Constructors

Constructor	Description
RollbackCommandStep()

Method Summary

Modifier and Type	Method	Description
void	adjustCommandDefinition(CommandDefinition commandDefinition)	Default implementation makes no changes
String[][]	defineCommandNames()	Defines new command names For example, if it is part of `liquibase update`, this should return new String[][]{ new String[] {"update"}}.
void	run(CommandResultsBuilder resultsBuilder)	Performs the business logic.

Methods inherited from class liquibase.command.core.AbstractRollbackCommandStep

buildRawSQLChange, doRollback, doRollback, doRollback, doRollback, requiredDependencies

Methods inherited from class liquibase.command.AbstractCommandStep

getOrder, providedDependencies, validate

Methods inherited from class java.lang.Object

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

Field Detail

COMMAND_NAME

public static final String[] COMMAND_NAME

TAG_ARG

public static final CommandArgumentDefinition<String> TAG_ARG

TAG_VERSION_ARG

public static final CommandArgumentDefinition<String> TAG_VERSION_ARG

Constructor Detail

RollbackCommandStep

public RollbackCommandStep()

Method Detail

run

public void run(CommandResultsBuilder resultsBuilder)
         throws Exception

Description copied from interface: CommandStep

Performs the business logic. This method should not be called directly. It is called by the overall pipeline logic in the CommandScope.execute() order.

Throws:

Exception

defineCommandNames

public String[][] defineCommandNames()

Description copied from interface: CommandStep

Defines new command names For example, if it is part of `liquibase update`, this should return new String[][]{ new String[] {"update"}}. If it is a part of `liquibase example init`, this should return {"example", "init"}.

This is used to determine the available command names.

This can return null if this step is not defining a new command but "cross-cutting" existing commands

adjustCommandDefinition

public void adjustCommandDefinition(CommandDefinition commandDefinition)

Description copied from class: AbstractCommandStep

Default implementation makes no changes

Specified by:

adjustCommandDefinition in interface CommandStep

Overrides:

adjustCommandDefinition in class AbstractRollbackCommandStep