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Critical issues for `o.s.i.j*` (except `jdbc`).
This commit is contained in:
Gary Russell
2018-12-14 15:26:11 -05:00
committed by Artem Bilan
parent 89fdb938de
commit 7efe79f457
10 changed files with 51 additions and 22 deletions
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2
spring-integration-core/src/main/java/org/springframework/integration/core/MessageSource.java
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@@ -16,6 +16,7 @@
package org.springframework.integration.core;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
/**
@@ -31,6 +32,7 @@ public interface MessageSource<T> {
* Returns <code>null</code> if no message is available.
* @return The message or null.
*/
@Nullable
Message<T> receive();
}

2
spring-integration-core/src/main/java/org/springframework/integration/endpoint/AbstractMessageSource.java
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@@ -31,6 +31,7 @@ import org.springframework.integration.support.management.MessageSourceMetrics;
import org.springframework.integration.support.management.metrics.CounterFacade;
import org.springframework.integration.support.management.metrics.MetricsCaptor;
import org.springframework.integration.util.AbstractExpressionEvaluator;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessagingException;
import org.springframework.util.CollectionUtils;
@@ -231,6 +232,7 @@ public abstract class AbstractMessageSource<T> extends AbstractExpressionEvaluat
* also can be {@link AbstractIntegrationMessageBuilder} which is used for additional headers population.
* @return The value returned.
*/
@Nullable
protected abstract Object doReceive();
@Override