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This commit is contained in:
Juergen Hoeller
2018-07-24 22:10:07 +02:00
parent 4f9a18f5aa
commit 0b5c099de2
8 changed files with 64 additions and 88 deletions
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8
spring-messaging/src/main/java/org/springframework/messaging/support/ChannelInterceptor.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -28,6 +28,8 @@ import org.springframework.messaging.MessageChannel;
* @author Mark Fisher
* @author Rossen Stoyanchev
* @since 4.0
* @see Message
* @see MessageChannel
*/
public interface ChannelInterceptor {
@@ -56,8 +58,8 @@ public interface ChannelInterceptor {
* completed and returned a Message, i.e. it did not return {@code null}.
* @since 4.1
*/
default void afterSendCompletion(Message<?> message, MessageChannel channel, boolean sent,
@Nullable Exception ex) {
default void afterSendCompletion(
Message<?> message, MessageChannel channel, boolean sent, @Nullable Exception ex) {
}
/**

15
spring-messaging/src/main/java/org/springframework/messaging/support/ExecutorChannelInterceptor.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -26,10 +26,13 @@ import org.springframework.messaging.MessageHandler;
* asynchronous sending of a {@link org.springframework.messaging.Message} to
* a specific subscriber through an {@link java.util.concurrent.Executor}.
* Supported on {@link org.springframework.messaging.MessageChannel}
* implementations that can be configured with an Executor.
* implementations that can be configured with an {@code Executor}.
*
* @author Rossen Stoyanchev
* @since 4.1
* @see Message
* @see MessageChannel
* @see MessageHandler
*/
public interface ExecutorChannelInterceptor extends ChannelInterceptor {
@@ -44,7 +47,9 @@ public interface ExecutorChannelInterceptor extends ChannelInterceptor {
* @return the input message, or a new instance, or {@code null}
*/
@Nullable
Message<?> beforeHandle(Message<?> message, MessageChannel channel, MessageHandler handler);
default Message<?> beforeHandle(Message<?> message, MessageChannel channel, MessageHandler handler) {
return message;
}
/**
* Invoked inside the {@link Runnable} submitted to the Executor after calling
@@ -57,6 +62,8 @@ public interface ExecutorChannelInterceptor extends ChannelInterceptor {
* @param handler the target handler that handled the message
* @param ex any exception that may been raised by the handler
*/
void afterMessageHandled(Message<?> message, MessageChannel channel, MessageHandler handler, @Nullable Exception ex);
default void afterMessageHandled(
Message<?> message, MessageChannel channel, MessageHandler handler, @Nullable Exception ex) {
}
}