diff --git a/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/ActivateRequestContext.java b/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/ActivateRequestContext.java new file mode 100644 index 000000000..bbe1ec353 --- /dev/null +++ b/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/ActivateRequestContext.java @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.context.control; + + +import javax.interceptor.InterceptorBinding; +import java.lang.annotation.Documented; +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +import static java.lang.annotation.ElementType.METHOD; +import static java.lang.annotation.ElementType.TYPE; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +/** + * The container provides a built in interceptor that may be used to annotate classes and methods to indicate + * that a request context should be activated when this method is invoked. + * + * The request context will be activated before the method is called, and deactivated when the method invocation is + * complete (regardless of any exceptions being thrown). If the context is already active, it is ignored, neither + * activated nor deactivated. + * + */ +@InterceptorBinding +@Target({METHOD, TYPE}) +@Retention(RUNTIME) +@Documented +public @interface ActivateRequestContext +{ +} \ No newline at end of file diff --git a/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/RequestContextController.java b/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/RequestContextController.java new file mode 100644 index 000000000..bb8742c8c --- /dev/null +++ b/geronimo-jcdi_2.0_spec/src/main/java/javax/enterprise/context/control/RequestContextController.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.context.control; + +import javax.enterprise.context.ContextNotActiveException; + +/** + * The CDI container provides a built in instance of RequestContextController that is dependent scoped for the purposes + * of activating and deactivating. For example: + * + *
+ * @Inject + * private RequestContextController requestContextController; + * + * public void doRequest(String body) { + * // activate request context + * requestContextController.activate(); + * + * // do work in a request context. + * + * // deactivate the request context + * requestContextController.deactivate(); + * } + *+ * + * Once the request context has been deactivated, you may activate it once again, creating a brand new request context. + * The activated request context is bound to the current thread, any injection points targeting a request scoped bean + * will be satisfied with the same request scoped objects. + * + */ +public interface RequestContextController +{ + /** + * Activates a RequestContext for the current thread if one is not already active. + * @return true if the context was activated by this invocation, false if not. + */ + boolean activate(); + + /** + * Deactivates the current Request Context if it was activated by this context controller. If the context is active + * but was not activated by this controller, then it may not be deactivated by this controller, + * meaning this method will do nothing. + * + * If the context is not active, a {@see ContextNotActiveException} is thrown. + * + * @throws ContextNotActiveException if the context is not active + */ + void deactivate() throws ContextNotActiveException; +} \ No newline at end of file