Package liquibase.sqlgenerator

Class SqlGeneratorFactory

java.lang.Object

liquibase.sqlgenerator.SqlGeneratorFactory

public class SqlGeneratorFactory
extends Object

SqlGeneratorFactory is a singleton registry of SqlGenerators. Use the register(SqlGenerator) method to add custom SqlGenerators, and the getBestGenerator() method to retrieve the SqlGenerator that should be used for a given SqlStatement.

Field Summary

Fields

Modifier and Type	Field	Description
static String	GENERATED_SQL_ARRAY_SCOPE_KEY

Method Summary

Modifier and Type	Method	Description
boolean	generateRollbackStatementsVolatile(SqlStatement statement, Database database)
Sql[]	generateSql(Change change, Database database)
Sql[]	generateSql(SqlStatement[] statements, Database database)
Sql[]	generateSql(SqlStatement statement, Database database)
boolean	generateStatementsVolatile(SqlStatement statement, Database database)	Return true if the SqlStatement class queries the database in any way to determine Statements to execute.
Set<DatabaseObject>	getAffectedDatabaseObjects(SqlStatement statement, Database database)
protected Collection<SqlGenerator>	getGenerators()
SortedSet<SqlGenerator>	getGenerators(SqlStatement statement, Database database)
static SqlGeneratorFactory	getInstance()	Return singleton SqlGeneratorFactory
void	register(SqlGenerator generator)
static void	reset()
boolean	supports(SqlStatement statement, Database database)
void	unregister(Class generatorClass)
void	unregister(SqlGenerator generator)
ValidationErrors	validate(SqlStatement statement, Database database)
Warnings	warn(SqlStatement statement, Database database)

Methods inherited from class java.lang.Object

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

Field Detail

GENERATED_SQL_ARRAY_SCOPE_KEY

public static final String GENERATED_SQL_ARRAY_SCOPE_KEY

See Also:

Constant Field Values

Method Detail

getInstance

public static SqlGeneratorFactory getInstance()

Return singleton SqlGeneratorFactory

reset

public static void reset()

register

public void register(SqlGenerator generator)

unregister

public void unregister(SqlGenerator generator)

unregister

public void unregister(Class generatorClass)

getGenerators

protected Collection<SqlGenerator> getGenerators()

getGenerators

public SortedSet<SqlGenerator> getGenerators(SqlStatement statement,
                                             Database database)

generateSql

public Sql[] generateSql(Change change,
                         Database database)

generateSql

public Sql[] generateSql(SqlStatement[] statements,
                         Database database)

generateSql

public Sql[] generateSql(SqlStatement statement,
                         Database database)

generateStatementsVolatile

public boolean generateStatementsVolatile(SqlStatement statement,
                                          Database database)

Return true if the SqlStatement class queries the database in any way to determine Statements to execute. If the statement queries the database, it cannot be used in updateSql type operations

generateRollbackStatementsVolatile

public boolean generateRollbackStatementsVolatile(SqlStatement statement,
                                                  Database database)

supports

public boolean supports(SqlStatement statement,
                        Database database)

validate

public ValidationErrors validate(SqlStatement statement,
                                 Database database)

warn

public Warnings warn(SqlStatement statement,
                     Database database)

getAffectedDatabaseObjects

public Set<DatabaseObject> getAffectedDatabaseObjects(SqlStatement statement,
                                                      Database database)