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Optimize class detection by sharing the ClassLoader

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Issue: SPR-17083
This commit is contained in:
Sebastien Deleuze
2018-07-25 10:55:07 +02:00
parent 32faf09a80
commit d3b244a81b
15 changed files with 196 additions and 171 deletions
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12
spring-tx/src/main/java/org/springframework/transaction/annotation/AnnotationTransactionAttributeSource.java
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@@ -55,11 +55,15 @@ import org.springframework.util.ClassUtils;
public class AnnotationTransactionAttributeSource extends AbstractFallbackTransactionAttributeSource
implements Serializable {
private static final boolean jta12Present = ClassUtils.isPresent(
"javax.transaction.Transactional", AnnotationTransactionAttributeSource.class.getClassLoader());
private static final boolean jta12Present;
private static final boolean ejb3Present = ClassUtils.isPresent(
"javax.ejb.TransactionAttribute", AnnotationTransactionAttributeSource.class.getClassLoader());
private static final boolean ejb3Present;
static {
ClassLoader classLoader = AnnotationTransactionAttributeSource.class.getClassLoader();
jta12Present = ClassUtils.isPresent("javax.transaction.Transactional", classLoader);
ejb3Present = ClassUtils.isPresent("javax.ejb.TransactionAttribute", classLoader);
}
private final boolean publicMethodsOnly;

14
spring-tx/src/main/java/org/springframework/transaction/config/JtaTransactionManagerFactoryBean.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 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.
@@ -44,11 +44,15 @@ public class JtaTransactionManagerFactoryBean implements FactoryBean<JtaTransact
"org.springframework.transaction.jta.JtaTransactionManager";
private static final boolean weblogicPresent = ClassUtils.isPresent(
"weblogic.transaction.UserTransaction", JtaTransactionManagerFactoryBean.class.getClassLoader());
private static final boolean weblogicPresent;
private static final boolean webspherePresent = ClassUtils.isPresent(
"com.ibm.wsspi.uow.UOWManager", JtaTransactionManagerFactoryBean.class.getClassLoader());
private static final boolean webspherePresent;
static {
ClassLoader classLoader = JtaTransactionManagerFactoryBean.class.getClassLoader();
weblogicPresent = ClassUtils.isPresent("weblogic.transaction.UserTransaction", classLoader);
webspherePresent = ClassUtils.isPresent("com.ibm.wsspi.uow.UOWManager", classLoader);
}
@Nullable