geforkt von Mirrors/Velocity
Add async parameter to @Subscribe, also as a migration aid.
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821ca02ee7
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3944eec491
@ -26,4 +26,23 @@ public @interface Subscribe {
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*/
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PostOrder order() default PostOrder.NORMAL;
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/**
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* Whether the handler must be called asynchronously.
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*
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* <p><strong>This option currently has no effect, but in the future it will. In Velocity 3.0.0,
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* all event handlers run asynchronously by default. You are encouraged to determine whether or
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* not to enable it now. This option is being provided as a migration aid.</strong></p>
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*
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* <p>If this method returns {@code true}, the method is guaranteed to be executed
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* asynchronously. Otherwise, the handler may be executed on the current thread or
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* asynchronously. <strong>This still means you must consider thread-safety in your
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* event listeners</strong> as the "current thread" can and will be different each time.</p>
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*
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* <p>If any method handler targeting an event type is marked with {@code true}, then every
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* handler targeting that event type will be executed asynchronously.</p>
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*
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* @return Requires async
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*/
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boolean async() default true;
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}
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