Package liquibase.executor.jvm

Class ExampleExecutor

java.lang.Object

liquibase.executor.AbstractExecutor

liquibase.executor.jvm.JdbcExecutor

liquibase.executor.jvm.ExampleExecutor

All Implemented Interfaces:

Executor, Plugin

public class ExampleExecutor
extends JdbcExecutor

This is an example of a custom Executor implementation which can be specified in a changelog with the "runWith" attribute

Field Summary

Fields inherited from class liquibase.executor.AbstractExecutor

database, resourceAccessor

Fields inherited from interface liquibase.plugin.Plugin

PRIORITY_DATABASE, PRIORITY_DEFAULT, PRIORITY_NOT_APPLICABLE, PRIORITY_SPECIALIZED

Constructor Summary

Constructors

Constructor	Description
ExampleExecutor()	Constructor

Method Summary

Modifier and Type	Method	Description
void	execute(SqlStatement action, List<SqlVisitor> sqlVisitors)	Execute the SQL from the SqlStatement parameter
String	getName()	Return the name of the Executor
int	getPriority()	Return the Executor priority
ValidationErrors	validate(ChangeSet changeSet)	Validate whether the changeset can be executed by this Executor

Methods inherited from class liquibase.executor.jvm.JdbcExecutor

comment, execute, execute, execute, getColumnMapRowMapper, getSingleColumnRowMapper, query, query, query, query, queryForInt, queryForInt, queryForList, queryForList, queryForList, queryForList, queryForLong, queryForLong, queryForObject, queryForObject, queryForObject, queryForObject, update, update, updatesDatabase

Methods inherited from class liquibase.executor.AbstractExecutor

applyVisitors, execute, execute, modifyChangeSet, setDatabase, setResourceAccessor

Methods inherited from class java.lang.Object

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

Methods inherited from interface liquibase.executor.Executor

supports

Constructor Detail

ExampleExecutor

public ExampleExecutor()

Constructor

Method Detail

getName

public String getName()

Return the name of the Executor

Specified by:

getName in interface Executor

Overrides:

getName in class JdbcExecutor

Returns:

String The Executor name

getPriority

public int getPriority()

Return the Executor priority

Specified by:

getPriority in interface Executor

Overrides:

getPriority in class JdbcExecutor

Returns:

int The Executor priority

validate

public ValidationErrors validate(ChangeSet changeSet)

Validate whether the changeset can be executed by this Executor

Specified by:

validate in interface Executor

Overrides:

validate in class AbstractExecutor

Parameters:

changeSet - The changeset to validate

Returns:

boolean True if all changes can be executed by the custom Executor False if any change cannot be executed

execute

public void execute(SqlStatement action,
                    List<SqlVisitor> sqlVisitors)
             throws DatabaseException

Execute the SQL from the SqlStatement parameter

Specified by:

execute in interface Executor

Overrides:

execute in class JdbcExecutor

Parameters:

action - This is the SqlStatement object which contains the SQL to execute

sqlVisitors - List of SqlVisitor to apply to the generated SQL

Throws:

DatabaseException - Exception type thrown if an error occurs during execution