sirius.db.jdbc.schema

Class SchemaUpdateAction

java.lang.Object

sirius.db.jdbc.schema.SchemaUpdateAction

public class SchemaUpdateAction
extends Object

Represents an action which needs to be perfomed onto a schema to make it match another schema.

Constructor Summary

Constructors

Constructor and Description
SchemaUpdateAction(String realm)

Method Summary

Modifier and Type	Method and Description
void	execute(Database db) Executes the change against the given database.
String	getError() Returns the last error reported by the database.
String	getId() Returns an unique ID which identifies this change
String	getRealm()
String	getReason() Contains a short description of what the change will cause.
List<String>	getSql() A list of SQL statements which have to be executed to perform the required change.
boolean	isDataLossPossible() Determines if dataloss is possible when executing this change.
boolean	isExecuted() Determines if the change was already executed.
boolean	isFailed() Determines if the change was successfully executed.
protected void	setDataLossPossible(boolean dataLossPossible)
protected void	setRealm(String realm)
protected void	setReason(String reason)
protected void	setSql(List<String> sql)
protected void	setSql(String sql)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaUpdateAction

public SchemaUpdateAction(String realm)

Method Detail

getRealm

public String getRealm()

setRealm

protected void setRealm(String realm)

getReason

public String getReason()

Contains a short description of what the change will cause.

Returns:

a short description of the change

setReason

protected void setReason(String reason)

getSql

public List<String> getSql()

A list of SQL statements which have to be executed to perform the required change.

Returns:

a list of SQL statement which make up the change

setSql

protected void setSql(String sql)

setSql

protected void setSql(List<String> sql)

isDataLossPossible

public boolean isDataLossPossible()

Determines if dataloss is possible when executing this change.

Returns:

true if dataloss is possible (a column or table is dropped), false otherwise

setDataLossPossible

protected void setDataLossPossible(boolean dataLossPossible)

getId

public String getId()

Returns an unique ID which identifies this change

Returns:

a unique ID for this change

getError

public String getError()

Returns the last error reported by the database.

Returns:

an error message, if the change was already executed and failed, null otherwise

execute

public void execute(Database db)

Executes the change against the given database.

Parameters:

db - the datbase to change

isFailed

public boolean isFailed()

Determines if the change was successfully executed.

Returns:

false if the last execution of this change failed, false otherwise

isExecuted

public boolean isExecuted()

Determines if the change was already executed.

Returns:

true if the change was executed, false otherwise

toString

public String toString()

Overrides:

toString in class Object