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Use ConcurrentHashMap.newKeySet

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In places where a ConcurrentHashMap was used as a set by wrapping it
with Collections.newSetFromMap, switch to just using the set returned
by ConcurrentHashMap.newKeySet directly.

Closes gh-32294
This commit is contained in:
Patrick Strawderman
2024-02-19 08:57:33 -08:00
committed by Sam Brannen
parent ff9c7141c5
commit f9fe8efb2e
14 changed files with 16 additions and 29 deletions
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3
spring-context/src/main/java/org/springframework/context/event/EventListenerMethodProcessor.java
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@@ -18,7 +18,6 @@ package org.springframework.context.event;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
@@ -82,7 +81,7 @@ public class EventListenerMethodProcessor
@Nullable
private final EventExpressionEvaluator evaluator;
private final Set<Class<?>> nonAnnotatedClasses = Collections.newSetFromMap(new ConcurrentHashMap<>(64));
private final Set<Class<?>> nonAnnotatedClasses = ConcurrentHashMap.newKeySet(64);
public EventListenerMethodProcessor() {

2
spring-context/src/main/java/org/springframework/context/support/DefaultLifecycleProcessor.java
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@@ -229,7 +229,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
void stopForRestart() {
if (this.running) {
this.stoppedBeans = Collections.newSetFromMap(new ConcurrentHashMap<>());
this.stoppedBeans = ConcurrentHashMap.newKeySet();
stopBeans();
this.running = false;
}

3
spring-context/src/main/java/org/springframework/scheduling/annotation/ScheduledAnnotationBeanPostProcessor.java
View File

@@ -20,7 +20,6 @@ import java.lang.reflect.Method;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.LinkedHashSet;
import java.util.List;
@@ -149,7 +148,7 @@ public class ScheduledAnnotationBeanPostProcessor
@Nullable
private TaskSchedulerRouter localScheduler;
private final Set<Class<?>> nonAnnotatedClasses = Collections.newSetFromMap(new ConcurrentHashMap<>(64));
private final Set<Class<?>> nonAnnotatedClasses = ConcurrentHashMap.newKeySet(64);
private final Map<Object, Set<ScheduledTask>> scheduledTasks = new IdentityHashMap<>(16);