act.util.Async Maven / Gradle / Ivy
package act.util;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import org.osgl.util.S;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Mark a class or method to as "asynchronous"
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE, ElementType.METHOD})
public @interface Async {
/**
* When a `public void` method has been annotated as `@Async`, ActFramework will
* enhance the class by adding an new method as a copy of the original method, the name
* of the new method will be the result of calling the original method.
*/
class MethodNameTransformer {
/**
* Returns the new async method's name based on the give name
* @param methodName the original method name
* @return the name of the async method that pairs to the original method
*/
public static String transform(String methodName) {
return S.concat("__act_", methodName, "_async");
}
}
}