org.infinispan.factories.annotations.Inject Maven / Gradle / Ivy
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Annotations for Infinispan components and MBeans
package org.infinispan.factories.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Used to annotate a method or field as an injection point.
*
* The method or field must not be {@code private}, usually it's best to have it package-private.
*
* Usage example:
*
* public class MyClass
* {
* private TransactionManager tm;
* private BuddyManager bm;
* private Notifier n;
*
* &Inject
* public void setTransactionManager(TransactionManager tm)
* {
* this.tm = tm;
* }
*
* &Inject
* public void injectMoreStuff(BuddyManager bm, Notifier n)
* {
* this.bm = bm;
* this.n = n;
* }
* }
*
* and an instance of this class can be constructed and wired using
*
* MyClass myClass = componentRegistry.getComponent(MyClass.class);
*
*
* Methods annotated with this Inject annotation should *only* set class fields. They should do nothing else.
* If you need to do some work to prepare the component for use, do it in a {@link Start} method since this is only
* called once when a component starts.
*
* @author Manik Surtani
* @since 4.0
*/
// ensure this annotation is available at runtime.
@Retention(RetentionPolicy.CLASS)
@Target({ ElementType.METHOD, ElementType.FIELD })
public @interface Inject {
}
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