Package net.officefloor.model.impl.change

Class AbstractChange<T>

java.lang.Object

net.officefloor.model.impl.change.AbstractChange<T>

All Implemented Interfaces:

Change<T>

Direct Known Subclasses:

DisconnectChange, NoChange

public abstract class AbstractChange<T>
extends Object
implements Change<T>

Abstract Change.

Author:

Daniel Sagenschneider

Constructor Summary

Constructors

Constructor	Description
AbstractChange(T target, String changeDescription)	Initiate.
AbstractChange(T target, String changeDescription, Conflict[] conflicts)	Initiate.

Method Summary

Modifier and Type	Method	Description
boolean	canApply()	Indicates if can apply this Change.
String	getChangeDescription()	Obtains a description of the Change.
Conflict[]	getConflicts()	Obtains the Conflict instances preventing this Change from being applied.
T	getTarget()	Obtains the target to which this Change applies.
protected void	setConflicts(Conflict[] conflicts)	Specifies the Conflict instances.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.officefloor.model.change.Change

apply, revert

Constructor Details

AbstractChange

public AbstractChange(T target,
 String changeDescription)

Initiate.

Parameters:

target - Target of the Change.

changeDescription - Description of the Change.

AbstractChange

public AbstractChange(T target,
 String changeDescription,
 Conflict[] conflicts)

Initiate.

Parameters:

target - Target of the Change.

changeDescription - Description of the Change.

conflicts - Conflict instances preventing the Change from being applied.

Method Details

setConflicts

protected void setConflicts(Conflict[] conflicts)

Specifies the Conflict instances.

Parameters:

conflicts - Conflict instances.

getTarget

public T getTarget()

Description copied from interface: Change

Obtains the target to which this Change applies.

Specified by:

getTarget in interface Change<T>

Returns:

Target to which this Change applies.

getChangeDescription

public String getChangeDescription()

Description copied from interface: Change

Obtains a description of the Change.

Specified by:

getChangeDescription in interface Change<T>

Returns:

Description of the Change.

canApply

public boolean canApply()

Description copied from interface: Change

Indicates if can apply this Change.

Typically there will be Conflict instances providing detail on why the Change can not be applied.

Specified by:

canApply in interface Change<T>

Returns:

true if can apply this Change.

See Also:

• Change.getConflicts()

getConflicts

public Conflict[] getConflicts()

Description copied from interface: Change

Obtains the Conflict instances preventing this Change from being applied.

A Change can only be applied if this returns an empty array.

Specified by:

getConflicts in interface Change<T>

Returns:

Any Conflict instances preventing applying this Change.