Your browser does not support iframes
A class-deactivator allows to specify deactivated classes which can't be deactivated via std. CDI mechanisms. All classes which implement Deactivatable in-/directly, can be deactivated with this mechanism. For all other classes/beans, you can use the veto mechanism provided by CDI.
A ClassDeactivator will be resolved from the environment via the default resolvers or via a custom resolver which allows to use any type of configuration-format. An easy way to configure it permanently is to use the service-loader approach. Furthermore, AbstractClassDeactivator is a convenience class which allows an easier implementation.
This annotation allows to activate beans for a special project-stage. It's possible to use one of the out-of-the-box project-stages or a custom typesafe project-stage.
@Alternative
@ProjectStageActivated(ProjectStage.UnitTest.class)
public class TestServiceMockImpl implements Service
{
//...
}
@Alternative
@ProjectStageActivated({ProjectStage.Development.class})
public class DevServiceMockImpl implements Service
{
//...
}
This annotation allows to activate beans based on expressions. Out-of-the-box simple conditions are supported. The values will be resolved from the environment via the default resolvers or via a custom resolver which allows to use any type of configuration-format. An easy way to configure it permanently is e.g. myfaces-extcdi.properties or for more dynamic use-cases, it's possible to use system-properties.
@ExpressionActivated("db==dev-db")
public class TestDataCreator
{
//...
}
or
@ExpressionActivated("db!=prod-db;db==*")
public class TestDataCreator
{
//...
}
'*' allows to ensure that there is a configured value. So the 2nd example ensures that there is a value for 'db' but it isn't 'prod'.
Per default a simple syntax for key/value based configs is supported. However, it's possible to implement a custom interpreter for custom expressions.
@ExpressionActivated(value = "${environment.stage eq 'test'}", interpreter = CustomInterpreter.class)
public class TestDataCreator
{
//...
}
The core of CODI provides base implementations which are used to provide a testable, pluggable and type-safe config. If it is possible this CDI based config approach is used to configure the framework (esp. the SPI). This approach decouples the logical config entries from the config-source. That means it's possible to switch e.g. between Java Config (values are directly encoded in config classes), property files, db table/s, xml (e.g. web.xml) and every other format which can be used for a config.
Out-of-the-box CODI uses typesafe configuration. Furthermore, there is an alternative configuration module which allows to resolve configure values from myfaces-extcdi.properties or via a custom ConfiguredValueResolver from any other configuration format/source.
Hint
Since the config is based on CDI mechanisms, it isn't possible to use it for all configurations. There are some very basic configurations (e.g. deactivation of specific CODI features), which have to be accessible before CDI is fully initialized.
All modules which have CODI-Core as dependency use use the CodiConfig interface as marker interface for their config-classes. So it's easy to find all configurations. All methods annotated with ConfigEntry provide a config-value which is used by CODI. During bootstrapping all values are logged (it's possible to deactivate this behaviour by config see CodiCoreConfig#isConfigurationLoggingEnabled). If you provide custom custom values and you face any issue, please also post the configuration to the mailing-list.
This config contains the basic configuration for the core as well as common config entries for multiple modules.
To avoid external dependencies, CODI uses the JDK Logger. However, CDI often requires serializable beans - therefore CODI provides a serializable wrapper for the JDK Logger.
public class MyBean
{
@Inject
private Logger logger;
}
By default the fully qualified class name of the target class which uses the injected logger, will be used to create the logger. As an alternative it's possible to use the LoggerDetails qualifier to provide e.g. a name for the logger.
public class MyBean
{
@Inject
@LoggerDetails(name = "AppLogger")
private Logger logger;
}
The core provides a pluggable and type-safe approach for using project stages in a project (it's also used within the framework). Furthermore, @ProjectStageActivated allows to use e.g. implementations annotated with javax.enterprise.inject.Alternative for specific project-stages. Besides the out-of-the-box project-stages it's possible to implement custom but type-safe project-stages which will be exposed by CODI.
@Inject private ProjectStage projectStage; //... boolean isDevProjectStage = ProjectStage.Development.equals(this.projectStage);
@Inject private BeanManager beanManager; //or BeanManager beanManager = BeanManagerProvider.getInstance().getBeanManager();
In some cases, it isn't possible to inject the BeanManager. Therefore, it's possible to use BeanManagerProvider.getInstance().getBeanManager().
CODI provides multiple hooks for the startup. Usually it's enough to observe the StartupEvent fired by CODI during the startup-process as soon as the target environment is up and running. In case of JSF this event is fired lazily. If you need to execute custom logic before CODI gets active, you should have a look at the dev guide (see StartupEventBroadcaster).
For creating instances of Annotations, you can use the literal trick. A custom implementation allows to provide custom values (see e.g. the NamedLiteral which is used by CODI internally). If you are fine with the default values of an annotation, you can use DefaultAnnotation to create an annotation for a given type, instead of a custom literal implementation.
CustomAnnotation annotation = DefaultAnnotation.of(CustomAnnotation.class);
This annotation can be used as marker annotation for artifacts which aren't managed by CDI. If such arifacts are supported by CODI and annotated with this annotation, it's possible to use dependency injection for fields. Furthermore, this annotation can be used as qualifier.
This annotation isn't used by CODI modules. It's a common annotation which can be used as marker annotation or qualifier by CODI add-ons. So they don't have to introduce their own marker annotation.
This interface is a marker interface for all interfaces which contain bean names (used by @Named within CODI). So it's very easy to find beans which can be used in EL expressions.
This interface specifies all beans of the core which can be resolved by name.
Artifacts which support this annotation can be sorted. The default order is 1000. Artifacts with a lower ordinal will be called before artifacts with a higher ordinal. If there is an artifact which is supported by CODI but doesn't provide an explicit order, it will be moved at the end of the list.
The following artifacts define base contracts which can be used by CODI modules or any other custom modules which would like to build on the well known contracts provided by CODI.
This package provides the basic concepts which allow to provide a type-safe config for views. CODI currently uses it in the JSF module for typesafe navigation as well as multiple inheritance for type-safe page-configs.
ViewConfig as well as DefaultErrorView are the foundations for the concept and will be explained in the documentation of the JSF module. However, it's possible to use it for other UI technologies as well.
This annotation can be used as interceptor to restrict calls to methods to one or more views. Modules are also allowed to use it as marker annotation to link a bean to a view by annotation the bean with it and pointing to the view(s). In this case a module is allowed to store the information internally and remove the interceptor dynamically to avoid performance impacts.
This annotation allows to provide custom meta-data. Just annotate a custom annotation with it. A module like the JSF module has to provide a resolver to query it. A query might return multiple results of the same type. If it doesn't make sense to have multiple results, you can use @ViewMetaData(override=true).
All interfaces and annotations which are independent from the concrete UI technology are provided by the core. E.g. the concepts of CODI conversations aren't bound to JSF. So the core defines the basic API for CODI conversations. Instead of providing a framework adapter (like MyFaces Orchestra does), CODI hosts the specific implementation in the corresponding module. Currently the UI modules of CODI are just for JSF. However, it would be possible to provide a module e.g. for (plain) servlets. Such a module can use the APIs provided by the core (which are independent of JSF and its concepts).
