Slice Persistence - 4.3

Purpose

Slice persistence is an OSGi module that allows to save Slice models back into Sling repository.

Features

Saves simple field types as JCR properties (String, int, Calendar, etc.)
Supports nested models - will be persisted as subresources
Allows for customizing the property name with @JcrProperty
Supports collections and arrays of properties
Supports collections and arrays of nested models with Slice @Children

Prerequisites

AEM 6

Installation

Add dependency to your project:

<dependency>
    <groupId>com.cognifide.slice</groupId>
    <artifactId>slice-persistence-api</artifactId>
    <version>4.3.0</version>
    <scope>provided</scope>
</dependency>

Usage

Considering following model:

@SliceResource
public class SampleModel {

    @JcrProperty
    private int pageLimit;

    @JcrProperty
    private PaginationType type; // PaginationType is an enum

    @JcrProperty
    private String[] tags;

    @JcrProperty
    @Children(SubModel.class)
    private List<SubModel> subModels;

    private String notAJcrProperty; // won't be serialized

    //...
}

Model can be persisted as follows:

@Inject
private ModelPersister modelPersister;

//...

SampleModel model = resource.adaptTo(SampleModel.class); // inject SampleModel with Slice
model.setPageLimit(123);
modelPersister.persist(model, resource);
resource.getResourceResolver().commit();

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