Method: aspectOf()

1:•/*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.role.spring.spi;
27:
28: import javax.annotation.Nonnull;
29: import org.aspectj.lang.ProceedingJoinPoint;
30: import org.aspectj.lang.annotation.Around;
31: import org.aspectj.lang.annotation.Aspect;
32: import it.tidalwave.util.ContextManager;
33: import it.tidalwave.util.Task;
34: import it.tidalwave.dci.annotation.DciContext;
35: import lombok.extern.slf4j.Slf4j;
36: import static it.tidalwave.util.ShortNames.shortId;
37:
38: /***************************************************************************************************************************************************************
39: *
40: * An aspect which implements {@link DciContext} with {@code autoThreadBinding=true}. This class must not be used
41: * directly. Instead, add the library which contains it as a dependency of your project and make it visible to the
42: * AspectJ compiler.
43: *
44: * @author Fabrizio Giudici
45: * @since 3.0
46: *
47: **************************************************************************************************************************************************************/
48: @Aspect @Slf4j
49: public class DciContextWithAutoThreadBindingAspect
50: {
51: @Around("within(@it.tidalwave.dci.annotation.DciContext *) && execution(* *(..))")
52: public Object advice (@Nonnull final ProceedingJoinPoint pjp)
53: throws Throwable
54: {
55: final var context = pjp.getTarget();
56:
57: if (!context.getClass().getAnnotation(DciContext.class).autoThreadBinding())
58: {
59: return pjp.proceed();
60: }
61: else
62: {
63: if (log.isTraceEnabled())
64: {
65: log.trace("executing {}.{}() with context thread binding", shortId(context), pjp.getSignature().getName());
66: }
67:
68: return ContextManager.getInstance().runWithContext(context, new Task<Object, Throwable>()
69: {
70: @Override
71: public Object run()
72: throws Throwable
73: {
74: return pjp.proceed();
75: }
76: });
77: }
78: }
79: }