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• In some cases, after changing the property of an object, additional action must be taken to persist the change. This is required for Layout, as the method LayoutService.update(Layout layout) must be invoked to persist any change to a layout. This is specified in the above code, passing a lambda argument to persistingPostOp().

• A way to convert from the type of the property internal value to the String that will be exported in the XML and back must be provided. This is specified by the typeValueConverter(TypeValueConverter<W> typeValueConverter) method, where W is the type of the internal value. Several predefined TypeValueConverter instances are provided by the factory com.awnaba.projectconfigurator.extensionpoints.customentities.converters.ConverterFactoryconverts between different classes and String, and from a String to the original value of the class.

• A Property must also specify if it will be set during object creation. Looking at the method LayoutEntity.createNew(ObjectDescriptor<Layout> objectDescriptor) above, it is clear that the layout description is set when a Layout is created. This is the default assumption used by PropertyBuilder, so no special action is needed in this case. Otherwise, you would invoke setInCreation(false) on the builder.

A property for the associated

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Profield

ReferenceProperty

Often, a Property of an object consists of a reference to another object or a collection of objects in Jira. These referred objects might be built-in Jira objects (issue types, statuses, filters, etc) or other objects that are supported by a PCJ extension. This is relevant for the migration, so there is a specific sub-interface, ReferenceProperty, that must be implemented for any Property that references other objects.

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