...
| Spring | PicoContainer | Guice |
|---|---|---|---|
Supports start/stop lifecycle hooks for components | Yes (interface, JSR-250 @PostConstruct/@PreDestroy annotations, spring-specific annotation, or xml-configured) | Yes (interface or annotationJSR-250 @PostConstruct/@PreDestroy annotations) | |
Supports autowiring | Yes | Yes | Yes |
Supports in-code wiring and configuration | Yes (JavaConfig) | Yes | Yes |
Supports external wiring (outside of code) | Yes (xml) | No | Not directly (but it's possible) |
Supports external config (outside of code) | Yes (xml and/or properties) | No | Yes (Names.bindProperties) |
OSGi-Friendly | Yes (Spring-DM) | Unknown | Yes (Guice-Peaberry) |
JSR-330 Support | |||
Jar Footprint (non-OSGi) | 750kb | 300kb | 650kb |
...
- Prefer constructor injection to setter injection
- Minimize coupling of code with DI frameworkto DI framework
- Use JSR-250 @PostConstruct/@PreDestroy lifecycle hooks when needed
- Avoid use of framework-specific interfaces, classes, and annotations
- Minimize changes to existing Fedora functionality
...
| Tasklist | ||||
|---|---|---|---|---|
| ||||
|| Completed || Priority || Locked || CreatedDate || CompletedDate || Assignee || Name || | F | M | F | 1268080202735 | | |cwilper|cwilper | Add and populate GlobalConfig | | F | M | F | 1268080236272 | | cwilper |cwilper|| Update org.fcrepo.server.access.DefaultAccess | | F | M | F | 1268080257979 | | cwilper |cwilper|| Update org.fcrepo.server.access.DynamicAccessModule | | F | M | F | 1268080268001 | | |cwilper|cwilper | Update org.fcrepo.server.journal.Journaler | | F | M | F | 1268080276055 | | cwilper |cwilper|| Update org.fcrepo.server.management.BasicPIDGenerator | | F | M | F | 1268080285519 | | cwilper |cwilper|| Update org.fcrepo.server.management.ManagementModule | | F | M | F | 1268080327906 | | |cwilper|cwilper | Update org.fcrepo.server.messaging.MessagingModule | | F | M | F | 1268080339553 | | cwilper |cwilper|| Update org.fcrepo.server.oai.FedoraOAIProviderModule | | F | M | F | 1268080350944 | | cwilper |cwilper|| Update org.fcrepo.server.resourceIndex.ResourceIndexModule | | F | M | F | 1268080374403 | | cwilper |cwilper|| Update org.fcrepo.server.search.FieldSearchSQLModule | | F | M | F | 1268080381223 | | |cwilper|cwilper | Update org.fcrepo.server.security.DefaultAuthorization | | F | M | F | 1268080399963 | | |cwilper|cwilper | Update org.fcrepo.server.security.DefaultBackendSecurity | | F | M | F | 1268080425721 | | cwilper |cwilper|| Update org.fcrepo.server.storage.ConnectionPoolManagerImpl | | F | M | F | 1268080433280 | | |cwilper|cwilper | Update org.fcrepo.server.storage.DefaultDOManager | | F | M | F | 1268080461067 | | cwilper |cwilper|| Update org.fcrepo.server.storage.DefaultExternalContentManager | | F | M | F | 1268082094738 | | cwilper |cwilper|| Update org.fcrepo.server.storage.lowlevel.akubra.AkubraLowlevelStorageModule | | F | M | F | 1268082154104 | | cwilper |cwilper|| Update org.fcrepo.server.storage.lowlevel.DefaultLowlevelStorageModule | | F | M | F | 1268082165864 | | |cwilper|cwilper | Update org.fcrepo.server.storage.translation.DOTranslationModule | | F | M | F | 1268082180490 | | |cwilper|cwilper | Update org.fcrepo.server.validation.DOValidatorModule | |
Phase II - Swap
- Decide on DI framework
- Convert fcfg to DI configuration and update installer to populate it instead
- Trigger initialization of module singletons via DI framework in context initialization
- Use injected module dependencies wherever possible, avoiding use of Module and Server at runtime
...