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TransactionSynchronizationManager eagerly cleans up void ResourceHolders on any access (SPR-8844, SPR-8845)

This commit is contained in:
Juergen Hoeller 2011-11-28 18:54:11 +00:00
parent a9a068e678
commit c9b36fb4e6
1 changed files with 15 additions and 2 deletions
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17
org.springframework.transaction/src/main/java/org/springframework/transaction/support/TransactionSynchronizationManager.java
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@ -155,6 +155,10 @@ public abstract class TransactionSynchronizationManager {
// Transparently remove ResourceHolder that was marked as void...
if (value instanceof ResourceHolder && ((ResourceHolder) value).isVoid()) {
map.remove(actualKey);
// Remove entire ThreadLocal if empty...
if (map.isEmpty()) {
resources.remove();
}
value = null;
}
return value;
@ -176,8 +180,13 @@ public abstract class TransactionSynchronizationManager {
map = new HashMap<Object, Object>();
resources.set(map);
}
if (map.put(actualKey, value) != null) {
throw new IllegalStateException("Already value [" + map.get(actualKey) + "] for key [" +
Object oldValue = map.put(actualKey, value);
// Transparently suppress a ResourceHolder that was marked as void...
if (oldValue instanceof ResourceHolder && ((ResourceHolder) oldValue).isVoid()) {
oldValue = null;
}
if (oldValue != null) {
throw new IllegalStateException("Already value [" + oldValue + "] for key [" +
actualKey + "] bound to thread [" + Thread.currentThread().getName() + "]");
}
if (logger.isTraceEnabled()) {
@ -226,6 +235,10 @@ public abstract class TransactionSynchronizationManager {
if (map.isEmpty()) {
resources.remove();
}
// Transparently suppress a ResourceHolder that was marked as void...
if (value instanceof ResourceHolder && ((ResourceHolder) value).isVoid()) {
value = null;
}
if (value != null && logger.isTraceEnabled()) {
logger.trace("Removed value [" + value + "] for key [" + actualKey + "] from thread [" +
Thread.currentThread().getName() + "]");