Package com.exedio.cope

Class DefaultChangeHook

java.lang.Object

com.exedio.cope.DefaultChangeHook

All Implemented Interfaces:

ChangeHook

public final class DefaultChangeHook
extends Object
implements ChangeHook

Implements a ChangeHook that calls static beforeNewCopeItem(SetValue[]), Item.afterNewCopeItem, Item.beforeSetCopeItem, and Item.beforeDeleteCopeItem according to their specifications. Without this hook, these methods are not called at all. If ModelBuilder.changeHooks is not called, this hook is installed by default.

Nested Class Summary

Nested classes/interfaces inherited from interface com.exedio.cope.ChangeHook

ChangeHook.Factory

Method Summary

Modifier and Type	Method	Description
void	afterNew(Item item)	Is called after any item creation.
void	beforeDelete(Item item)	Is called before any item deletion.
SetValue<?>[]	beforeNew(Type<?> type, SetValue<?>[] setValues)	Is called before any item creation.
SetValue<?>[]	beforeSet(Item item, SetValue<?>[] setValues)	Is called before any item modification.
static ChangeHook.Factory	factory()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

factory

public static ChangeHook.Factory factory()

beforeNew

public SetValue<?>[] beforeNew(Type<?> type,
                               SetValue<?>[] setValues)

Description copied from interface: ChangeHook

Is called before any item creation. You may change the values of the newly created item by returning changed setValues. The default implementation does nothing and returns setValues unmodified.

Specified by:

beforeNew in interface ChangeHook

afterNew

public void afterNew(Item item)

Description copied from interface: ChangeHook

Is called after any item creation. The default implementation does nothing.

Specified by:

afterNew in interface ChangeHook

See Also:

Item.afterNewCopeItem()

beforeSet

public SetValue<?>[] beforeSet(Item item,
                               SetValue<?>[] setValues)

Description copied from interface: ChangeHook

Is called before any item modification. The default implementation does nothing.

Specified by:

beforeSet in interface ChangeHook

setValues - is never null and never empty

Returns:

must not return null

See Also:

Item.beforeSetCopeItem(SetValue[])

beforeDelete

public void beforeDelete(Item item)

Description copied from interface: ChangeHook

Is called before any item deletion. The default implementation does nothing.

Specified by:

beforeDelete in interface ChangeHook

See Also:

Item.beforeDeleteCopeItem()

toString

public String toString()

Overrides:

toString in class Object