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Consistent fine-tuning of synchronized and concurrent data structures

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In particular, avoiding synchronized Sets and Maps wherever possible (preferring a ConcurrentHashMap even instead of a synchronized Set) and specifying appropriate ConcurrentHashMap initial capacities (even if we end up choosing 16).
This commit is contained in:
Juergen Hoeller
2012-12-12 23:46:26 +01:00
parent a2f8902b3a
commit b9df7d68d9
58 changed files with 380 additions and 387 deletions
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4
spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2012 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.
@@ -69,7 +69,7 @@ public abstract class AbstractFallbackTransactionAttributeSource implements Tran
* <p>As this base class is not marked Serializable, the cache will be recreated
* after serialization - provided that the concrete subclass is Serializable.
*/
final Map<Object, TransactionAttribute> attributeCache = new ConcurrentHashMap<Object, TransactionAttribute>();
final Map<Object, TransactionAttribute> attributeCache = new ConcurrentHashMap<Object, TransactionAttribute>(1024);
/**