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SimpleEvaluationContext with dedicated factory methods for common cases

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Aligned with DataBindingPropertyAccessor and shown in ref doc examples.

Issue: SPR-16588
This commit is contained in:
Juergen Hoeller
2018-03-22 18:09:27 +01:00
parent 025ee83403
commit 51c57d77d9
8 changed files with 154 additions and 152 deletions
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9
spring-messaging/src/main/java/org/springframework/messaging/simp/broker/DefaultSubscriptionRegistry.java
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@@ -64,10 +64,9 @@ public class DefaultSubscriptionRegistry extends AbstractSubscriptionRegistry {
/** Default maximum number of entries for the destination cache: 1024 */
public static final int DEFAULT_CACHE_LIMIT = 1024;
/** Static evaluation context to re-use */
private static SimpleEvaluationContext evaluationContext = SimpleEvaluationContext.builder()
.propertyAccessor(new SimpMessageHeaderPropertyAccessor()).build();
/** Static evaluation context to reuse */
private static EvaluationContext messageEvalContext =
SimpleEvaluationContext.forPropertyAccessors(new SimpMessageHeaderPropertyAccessor()).build();
private PathMatcher pathMatcher = new AntPathMatcher();
@@ -213,7 +212,7 @@ public class DefaultSubscriptionRegistry extends AbstractSubscriptionRegistry {
continue;
}
try {
if (Boolean.TRUE.equals(expression.getValue(evaluationContext, message, Boolean.class))) {
if (Boolean.TRUE.equals(expression.getValue(messageEvalContext, message, Boolean.class))) {
result.add(sessionId, subId);
}
}