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See:
Description
Interface Summary | |
---|---|
Instance<T> | Factory to create instances of a bean. |
Exception Summary | |
---|---|
AmbiguousResolutionException | When an injection Manager.getInstance call cannot return a unique bean, it throws
this exception. |
CreationException | When bean creation fails, the injection
BeanManager will throw this exception. |
IllegalProductException | Exception during runtime for webbeans |
InjectionException | Exceptions occuring during injection will extend from this exception. |
ResolutionException | When bean creation fails, the injection
BeanManager will throw this exception. |
UnproxyableResolutionException | When a bean cannot generate a proxy as required by the specification,
the injection BeanManager will
throw this exception. |
UnsatisfiedResolutionException | When no matching bean can be found for an injection point or a
BeanManager.getReference ,
the BeanManager BeanManager will throw this exception. |
Annotation Types Summary | |
---|---|
Alternative | Disables the bean from the initial discovery. |
Any | Binding injection representing any matching bean. |
Default | Default bean injection uses @Default as the injection point's
@Qualifier . |
Disposes | Factory destruction methods are declared with the @Disposes annotation. |
Model | A standard @Stereotype |
New | New bean creation and injection uses the @New annotation as the
@Qualifier for the injection point. |
Produces | Bean factory methods are declared with the @Produces annotation. |
Specializes | Bean factory methods are declared with the @Produces annotation. |
Stereotype | The @Stereotype annotation for web beans |
Typed | Allows specific type information for scanning. |
Java Dependency Injection annotations and exceptions.
For programmatic access see javax.enterprise.inject.spi
.
package example;
import example.MyBinding;
import javax.servlet.*;
import java.io.*;
public class MyServlet extends GenericServlet {
@MyBinding MyBean _bean;
public void service(ServletRequest req, ServletResponse res)
throws IOException
{
PrintWriter out = res.getWriter();
out.println("my-bean: " + _bean);
}
}
package example;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.Runtime;
import java.lang.annotation.*;
import javax.enterprise.inject.BindingType;
@BindingType
@Documented
Target({TYPE, METHOD, FIELD, PARAMETER})
Retention(RUNTIME)
public @interface MyBinding {
}
<Beans xmlns="urn:java:ee" xmlns:example="urn:java:example">
<example:MyBean>
<example:MyBinding/>
</example:MyBean>
</Beans>
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