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an EntityManagerFactoryBean is only deserializable through a SerializedEntityManagerFactoryBeanReference

This commit is contained in:
Juergen Hoeller 2011-07-11 13:50:34 +00:00
parent 7861eff298
commit 81a27ce484
1 changed files with 24 additions and 13 deletions
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37
org.springframework.orm/src/main/java/org/springframework/orm/jpa/AbstractEntityManagerFactoryBean.java
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@ -16,7 +16,9 @@
package org.springframework.orm.jpa; package org.springframework.orm.jpa;
import java.io.IOException;
import java.io.NotSerializableException; import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.io.ObjectStreamException; import java.io.ObjectStreamException;
import java.io.Serializable; import java.io.Serializable;
import java.lang.reflect.InvocationHandler; import java.lang.reflect.InvocationHandler;
@ -360,6 +362,25 @@ public abstract class AbstractEntityManagerFactoryBean implements
} }
} }
/**
* Delegate an incoming invocation from the proxy, dispatching to EntityManagerFactoryInfo /
* EntityManagerFactoryPlusOperations / the native EntityManagerFactory accordingly.
*/
Object invokeProxyMethod(Method method, Object[] args) throws Throwable {
if (method.getDeclaringClass().isAssignableFrom(EntityManagerFactoryInfo.class)) {
return method.invoke(this, args);
}
else if (method.getDeclaringClass().equals(EntityManagerFactoryPlusOperations.class)) {
return method.invoke(this.plusOperations, args);
}
Object retVal = method.invoke(this.nativeEntityManagerFactory, args);
if (retVal instanceof EntityManager) {
EntityManager rawEntityManager = (EntityManager) retVal;
retVal = ExtendedEntityManagerCreator.createApplicationManagedEntityManager(rawEntityManager, this);
}
return retVal;
}
/** /**
* Subclasses must implement this method to create the EntityManagerFactory * Subclasses must implement this method to create the EntityManagerFactory
* that will be returned by the <code>getObject()</code> method. * that will be returned by the <code>getObject()</code> method.
@ -427,19 +448,9 @@ public abstract class AbstractEntityManagerFactoryBean implements
// Serialization support // Serialization support
//--------------------------------------------------------------------- //---------------------------------------------------------------------
Object invokeProxyMethod(Method method, Object[] args) throws Throwable { private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
if (method.getDeclaringClass().isAssignableFrom(EntityManagerFactoryInfo.class)) { throw new NotSerializableException("An EntityManagerFactoryBean itself is not deserializable - " +
return method.invoke(this, args); "just a SerializedEntityManagerFactoryBeanReference is");
}
else if (method.getDeclaringClass().equals(EntityManagerFactoryPlusOperations.class)) {
return method.invoke(this.plusOperations, args);
}
Object retVal = method.invoke(this.nativeEntityManagerFactory, args);
if (retVal instanceof EntityManager) {
EntityManager rawEntityManager = (EntityManager) retVal;
retVal = ExtendedEntityManagerCreator.createApplicationManagedEntityManager(rawEntityManager, this);
}
return retVal;
} }
protected Object writeReplace() throws ObjectStreamException { protected Object writeReplace() throws ObjectStreamException {