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Polishing (backports from 4.0.1)

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Juergen Hoeller
2014-01-13 23:36:33 +01:00
parent 1e0bf493cc
commit 354917c53d
6 changed files with 58 additions and 115 deletions
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15
spring-orm/src/main/java/org/springframework/orm/jpa/persistenceunit/DefaultPersistenceUnitManager.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2013 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.
@@ -305,9 +305,11 @@ public class DefaultPersistenceUnitManager
/**
* Specify the Spring LoadTimeWeaver to use for class instrumentation according
* to the JPA class transformer contract.
* <p>It is not required to specify a LoadTimeWeaver: Most providers will be
* able to provide a subset of their functionality without class instrumentation
* as well, or operate with their VM agent specified on JVM startup.
* <p>It is not required to specify a LoadTimeWeaver: Most providers will be able
* to provide a subset of their functionality without class instrumentation as well,
* or operate with their own VM agent specified on JVM startup. Furthermore,
* DefaultPersistenceUnitManager falls back to an InstrumentationLoadTimeWeaver
* if Spring's agent-based instrumentation is available at runtime.
* <p>In terms of Spring-provided weaving options, the most important ones are
* InstrumentationLoadTimeWeaver, which requires a Spring-specific (but very general)
* VM agent specified on JVM startup, and ReflectiveLoadTimeWeaver, which interacts
@@ -315,12 +317,11 @@ public class DefaultPersistenceUnitManager
* on it (for example, interacting with Spring's TomcatInstrumentableClassLoader).
* <p><b>NOTE:</b> As of Spring 2.5, the context's default LoadTimeWeaver (defined
* as bean with name "loadTimeWeaver") will be picked up automatically, if available,
* removing the need for LoadTimeWeaver configuration on each affected target bean.</b>
* removing the need for LoadTimeWeaver configuration on each affected target bean.
* Consider using the {@code context:load-time-weaver} XML tag for creating
* such a shared LoadTimeWeaver (autodetecting the environment by default).
* @see org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver
* @see org.springframework.instrument.classloading.ReflectiveLoadTimeWeaver
* @see org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader
*/
public void setLoadTimeWeaver(LoadTimeWeaver loadTimeWeaver) {
this.loadTimeWeaver = loadTimeWeaver;
@@ -447,7 +448,7 @@ public class DefaultPersistenceUnitManager
}
}
catch (IOException ex) {
throw new PersistenceException("Failed to scan classpath for unlisted classes", ex);
throw new PersistenceException("Failed to scan classpath for unlisted entity classes", ex);
}
}
}