Package liquibase.common.datatype

Class DataTypeWrapper

java.lang.Object

liquibase.datatype.LiquibaseDataType

liquibase.common.datatype.DataTypeWrapper

All Implemented Interfaces:

PrioritizedService

public class DataTypeWrapper
extends LiquibaseDataType

A wrapper class for data types. Wraps a LiquibaseDataType instance and replaces some of the original data types with dbms-compatible ones.

Field Summary

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR, PRIORITY_DATABASE, PRIORITY_DEFAULT

Constructor Summary

Constructors

Constructor	Description
DataTypeWrapper(LiquibaseDataType originalType)

Method Summary

Modifier and Type	Method	Description
void	addParameter(Object value)	Adds an object to the list of this data type's parameters.
boolean	equals(Object o)
String[]	getAliases()
LoadDataChange.LOAD_DATA_TYPE	getLoadTypeName()	Returns one of the four basic data types for use in LoadData: BOOLEAN, NUMERIC, DATE or STRING
int	getMaxParameters(Database database)
int	getMinParameters(Database database)
String	getName()
Object[]	getParameters()	Returns an array with the parameters to the data type, e.g.
int	getPriority()
LiquibaseDataType	getUnderlyingDataType()
int	hashCode()
String	objectToSql(Object value, Database database)	Returns the value object in a format to include in SQL.
Object	stringToObject(String value, Database database)
boolean	supports(Database database)
DatabaseDataType	toDatabaseDataType(Database database)	Transforms this data type into the native data type of the target DBMS.
String	toString()
boolean	validate(Database database)	Validates the correct state of this data type against a given database.

Methods inherited from class liquibase.datatype.LiquibaseDataType

finishInitialization, formatNumber, functionToSql, getAdditionalInformation, getRawDefinition, isAutoIncrement, isCurrentDateTimeFunction, numberToSql, otherToSql, setAdditionalInformation, sqlToObject

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

DataTypeWrapper

public DataTypeWrapper(LiquibaseDataType originalType)

Method Details

getUnderlyingDataType

public LiquibaseDataType getUnderlyingDataType()

getName

public String getName()

Overrides:

getName in class LiquibaseDataType

getAliases

public String[] getAliases()

Overrides:

getAliases in class LiquibaseDataType

getPriority

public int getPriority()

Specified by:

getPriority in interface PrioritizedService

Overrides:

getPriority in class LiquibaseDataType

supports

public boolean supports(Database database)

Overrides:

supports in class LiquibaseDataType

getMinParameters

public int getMinParameters(Database database)

Overrides:

getMinParameters in class LiquibaseDataType

getMaxParameters

public int getMaxParameters(Database database)

Overrides:

getMaxParameters in class LiquibaseDataType

getParameters

public Object[] getParameters()

Description copied from class: LiquibaseDataType

Returns an array with the parameters to the data type, e.g. NUMBER(10, 2) would return an array with the items 10 and 2.

Overrides:

getParameters in class LiquibaseDataType

Returns:

An array with the parameters. May contain 0 items.

addParameter

public void addParameter(Object value)

Description copied from class: LiquibaseDataType

Adds an object to the list of this data type's parameters. Note that it is possible to temporarily exceed the allowed number of allowed parameters until LiquibaseDataType.validate(Database) is called, because the number of allowed parameters might differ between DBMS.

Overrides:

addParameter in class LiquibaseDataType

Parameters:

value - the new value to add as parameter.

validate

public boolean validate(Database database)

Description copied from class: LiquibaseDataType

Validates the correct state of this data type against a given database.

Overrides:

validate in class LiquibaseDataType

Parameters:

database - the database to validate against

Returns:

true if the current settings for this data type can be implemented on the given database, false otherwise

toDatabaseDataType

public DatabaseDataType toDatabaseDataType(Database database)

Description copied from class: LiquibaseDataType

Transforms this data type into the native data type of the target DBMS.

Overrides:

toDatabaseDataType in class LiquibaseDataType

Parameters:

database - the Database for which the native data type is to be constructed

Returns:

the new, native data type

objectToSql

public String objectToSql(Object value,
 Database database)

Description copied from class: LiquibaseDataType

Returns the value object in a format to include in SQL. Quote if necessary.

Overrides:

objectToSql in class LiquibaseDataType

stringToObject

public Object stringToObject(String value,
 Database database)

toString

public String toString()

Overrides:

toString in class LiquibaseDataType

equals

public boolean equals(Object o)

Overrides:

equals in class LiquibaseDataType

hashCode

public int hashCode()

Overrides:

hashCode in class LiquibaseDataType

getLoadTypeName

public LoadDataChange.LOAD_DATA_TYPE getLoadTypeName()

Description copied from class: LiquibaseDataType

Returns one of the four basic data types for use in LoadData: BOOLEAN, NUMERIC, DATE or STRING

Specified by:

getLoadTypeName in class LiquibaseDataType

Returns:

one of the above Strings