/*******************************************************************************
* Copyright 2015 Software Evolution and Architecture Lab, University of Zurich
*
* 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 eu.cloudwave.wp5.monitoring.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import eu.cloudwave.wp5.common.constants.Ids;
/**
* Annotating a method with this interface indicates that this method is used as a client to send requests to another
* service. <br />
* <b>Important</b>: the name of the annotation has to be equal to {@link Ids#MICROSERVICE_CLIENT_REQUEST_ANNOTATION}
*/
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface MicroserviceClientMethodDeclaration {
/**
* Microservice Client Identifier <br />
* <br />
* Important: the name of the attribute (= 'caller') has to be equal to
* {@link Ids#MICROSERVICE_CLIENT_REQUEST_ANNOTATION_FROM_ATTRIBUTE}
*
* @return string with the identifier
*/
public String caller() default Ids.MICROSERVICE_CLIENT_REQUEST_ANNOTATION_ATTRIBUTE_DEFAULT;
/**
* Microservice identifier of the recipient of this request <br />
* <br />
* Important: the name of the attribute (= 'callee') has to be equal to
* {@link Ids#MICROSERVICE_CLIENT_REQUEST_ANNOTATION_TO_ATTRIBUTE}
*
* @return
*/
public String callee();
/**
* Microservice method of the callee<br />
* <br />
* Important: the name of the attribute (= 'calleeMethod') has to be equal to
* {@link Ids#MICROSERVICE_CLIENT_REQUEST_ANNOTATION_TO_METHOD_ATTRIBUTE}
*
* @return
*/
public String calleeMethod() default Ids.MICROSERVICE_CLIENT_REQUEST_ANNOTATION_METHOD_ATTRIBUTE_DEFAULT;
}