Author: gavin.king(a)jboss.com
Date: 2009-10-29 01:52:34 -0400 (Thu, 29 Oct 2009)
New Revision: 4390
Added:
api/trunk/cdi/src/main/java/javax/enterprise/inject/spi/ProcessProducer.java
Log:
i should stop smoking crack
Added: api/trunk/cdi/src/main/java/javax/enterprise/inject/spi/ProcessProducer.java
===================================================================
--- api/trunk/cdi/src/main/java/javax/enterprise/inject/spi/ProcessProducer.java
(rev 0)
+++
api/trunk/cdi/src/main/java/javax/enterprise/inject/spi/ProcessProducer.java 2009-10-29
05:52:34 UTC (rev 4390)
@@ -0,0 +1,93 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package javax.enterprise.inject.spi;
+
+/**
+ * <p>
+ * The container will fire an event of this type for each
+ * {@linkplain javax.enterprise.inject.Produces producer method or field},
+ * including resources.
+ * </p>
+ * <p>
+ * Any observer of this event is permitted to wrap and/or replace the {@code
+ * Producer}. The container must use the final value of this property, after all
+ * observers have been called, whenever it calls the producer or disposer.
+ * </p>
+ * <p>
+ * For example, this observer decorates the {@code Producer} for the all producer
+ * methods and field of type {@code EntityManager}.
+ * </p>
+ *
+ * <pre>
+ * void decorateEntityManager(@Observes ProcessProducer<?, EntityManager>
pp)
+ * {
+ * pit.setProducer(decorate(pp.getProducer()));
+ * }
+ * </pre>
+ * <p>
+ * If any observer method of a {@code ProcessProducer} event throws an exception, the
+ * exception is treated as a definition error by the container.
+ * </p>
+ *
+ * @author David Allen
+ * @param <T> The bean class of the bean that declares the producer method or
+ * field
+ * @param <X> The return type of the producer method or the type of the producer
+ * field
+ */
+public interface ProcessProducer<T, X>
+{
+ /**
+ * Returns the {@link javax.enterprise.inject.spi.AnnotatedField}
+ * representing the producer field or the
+ * {@link javax.enterprise.inject.spi.AnnotatedMethod} representing the
+ * producer method.
+ *
+ * @return the {@link javax.enterprise.inject.spi.AnnotatedMember}
+ * representing the producer
+ */
+ public AnnotatedMember<T> getAnnotatedMember();
+
+ /**
+ * Returns the {@link javax.enterprise.inject.spi.Producer} object that will
+ * be used by the container to call the producer method or read the producer
+ * field.
+ *
+ * @return the {@link javax.enterprise.inject.spi.Producer} invoker object
+ * used by the container
+ */
+ public Producer<X> getProducer();
+
+ /**
+ * Replaces the {@link javax.enterprise.inject.spi.Producer} object that will
+ * be used by the container to call the producer method or read the producer
+ * field.
+ *
+ * @param producer the new {@link javax.enterprise.inject.spi.Producer}
+ * object to use
+ */
+ public void setProducer(Producer<X> producer);
+
+ /**
+ * Registers a definition error with the container, causing the container to
+ * abort deployment after bean discovery is complete.
+ *
+ * @param t The definition error to register as a {@link java.lang.Throwable}
+ */
+ public void addDefinitionError(Throwable t);
+}