Package liquibase.datatype

Class DataTypeFactory

java.lang.Object

liquibase.datatype.DataTypeFactory

public class DataTypeFactory
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DataTypeFactory()	Build the factory registry from all classes in the classpath that implement LiquibaseDataType

Method Summary

Modifier and Type	Method	Description
LiquibaseDataType	from(DatabaseDataType type, Database database)
LiquibaseDataType	from(DataType type, Database database)
LiquibaseDataType	fromDescription(String dataTypeDefinition, Database database)	Translates a column data type definition (e.g.
LiquibaseDataType	fromObject(Object object, Database database)
String	getFalseBooleanValue(Database database)
static DataTypeFactory	getInstance()	Get this factory singleton
String	getTrueBooleanValue(Database database)
void	register(LiquibaseDataType type)	Registers an implementation of LiquibaseDataType with both its name and all aliases for the data type as a handler in the factory's registry.
static void	reset()	Discards the active factory and creates a new singleton instance.
void	unregister(String name)	Remove

Methods inherited from class java.lang.Object

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

Constructor Detail

DataTypeFactory

protected DataTypeFactory()

Build the factory registry from all classes in the classpath that implement LiquibaseDataType

Method Detail

getInstance

public static DataTypeFactory getInstance()

Get this factory singleton

Returns:

a reference to this factory

reset

public static void reset()

Discards the active factory and creates a new singleton instance.

register

public void register(LiquibaseDataType type)

Registers an implementation of LiquibaseDataType with both its name and all aliases for the data type as a handler in the factory's registry. Classes implement the LiquibaseDataType.getPriority(), which will cause the class with the highest priority to become the primary handler for the data type.

Parameters:

type - the implementation to register

unregister

public void unregister(String name)

Remove

Parameters:

name -

fromDescription

public LiquibaseDataType fromDescription(String dataTypeDefinition,
                                         Database database)

Translates a column data type definition (e.g. varchar(255), java.sql.Types.NVARCHAR(10), VARCHAR2(255 BYTE)... ) into a normalized data type in object form. Note that, due to variety of allowed ways to specify a data type (SQL-Standard, Java type, native RDBMS type...), the dataTypeDefinition we receive for processing may already be the native type for the target RDBMS.

Parameters:

dataTypeDefinition - the definition from the changeSet

database - the Database object from for which the native definition is to be generated

Returns:

the corresponding Liquibase data type in object form.

fromObject

public LiquibaseDataType fromObject(Object object,
                                    Database database)

from

public LiquibaseDataType from(DataType type,
                              Database database)

from

public LiquibaseDataType from(DatabaseDataType type,
                              Database database)

getTrueBooleanValue

public String getTrueBooleanValue(Database database)

getFalseBooleanValue

public String getFalseBooleanValue(Database database)