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HHH-8680 Relax synchronized block in TableGenerator#generate

This commit is contained in:
Steve Ebersole 2013-11-16 13:49:48 -06:00
parent 47114c35b2
commit 8ad5ddeebf
1 changed files with 8 additions and 3 deletions
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11
hibernate-core/src/main/java/org/hibernate/id/enhanced/OptimizerFactory.java
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@ -235,16 +235,21 @@ public class OptimizerFactory {
/**
* An optimizer that performs no optimization. The database is hit for
* every request.
*
* @deprecated This is the fallback Optimizer chosen when we fail to instantiate one
* of the proper implementations. Using this implementation is probably a performance
* problem.
*/
public static class NoopOptimizer extends OptimizerSupport {
private IntegralDataTypeHolder lastSourceValue;
@Deprecated
public static final class NoopOptimizer extends OptimizerSupport {
private volatile IntegralDataTypeHolder lastSourceValue;
public NoopOptimizer(Class returnClass, int incrementSize) {
super( returnClass, incrementSize );
}
@Override
public Serializable generate(AccessCallback callback) {
public synchronized Serializable generate(AccessCallback callback) {
// IMPL NOTE : it is incredibly important that the method-local variable be used here to
// avoid concurrency issues.
IntegralDataTypeHolder value = null;