javax.faces.flow.FlowScoped Maven / Gradle / Ivy
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package javax.faces.flow;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.enterprise.context.NormalScope;
/**
*
* FlowScoped is a CDI
* scope that causes the runtime to consider classes with this
* annotation to be in the scope of the specified {@link Flow}. The
* implementation must provide an implementation of {@code
* javax.enterprise.inject.spi.Extension} that implements the semantics
* such that beans with this annotation are created when the user enters
* into the specified {@code Flow}, and de-allocated when the user exits
* the specified {@code Flow}. See {@link FlowHandler#transition} for
* the specification of flow entry and exit.
*
* When replacing (rather than decorating) the flow
* implementation with a custom {@link FlowHandler} implementation, it is necessary
* to also replace the CDI extension that implements the specified
* behavior regarding FlowScoped beans.
*
* @since 2.2
*/
@NormalScope
@Inherited
@Documented
@Target(ElementType.TYPE)
@Retention(value = RetentionPolicy.RUNTIME)
public @interface FlowScoped {
/**
* Must be equivalent to the {@link
* Flow#getId} of a defined flow for this application.
*
* @since 2.2
*/
String value();
/**
* If not empty, declare the defining
* document id within which the {@link Flow} referenced by {@link
* #value} is unique. If empty the, the runtime assumes that all flow
* ids are unique within the scope of the application.
*
* @since 2.2
*/
String definingDocumentId() default "";
}