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Classloader used to generate dynamic implementaion of managed interface uses interfaces' classloader as parent 

git-svn-id: https://svn.apache.org/repos/asf/incubator/openjpa/trunk@502326 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Pinaki Poddar 2007-02-01 19:36:21 +00:00
parent 862cd158ed
commit a11158d51a
2 changed files with 16 additions and 10 deletions
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19
openjpa-kernel/src/main/java/org/apache/openjpa/meta/InterfaceImplGenerator.java
View File

@ -48,11 +48,9 @@ class InterfaceImplGenerator {
private final MetaDataRepository _repos; private final MetaDataRepository _repos;
private final Map _impls = new WeakHashMap(); private final Map _impls = new WeakHashMap();
private final Project _project = new Project(); private final Project _project = new Project();
private final BCClassLoader _loader = new BCClassLoader(_project);
// distinct project / loader for enhanced version of class // distinct project / loader for enhanced version of class
private final Project _enhProject = new Project(); private final Project _enhProject = new Project();
private final BCClassLoader _enhLoader = new BCClassLoader(_enhProject);
/** /**
* Constructor. Supply repository. * Constructor. Supply repository.
@ -73,6 +71,8 @@ class InterfaceImplGenerator {
if (impl != null) if (impl != null)
return impl; return impl;
ClassLoader parentLoader = iface.getClassLoader();
BCClassLoader loader = new BCClassLoader(_project, parentLoader);
BCClass bc = _project.loadClass(getClassName(meta)); BCClass bc = _project.loadClass(getClassName(meta));
bc.declareInterface(iface); bc.declareInterface(iface);
ClassMetaData sup = meta.getPCSuperclassMetaData(); ClassMetaData sup = meta.getPCSuperclassMetaData();
@ -88,14 +88,14 @@ class InterfaceImplGenerator {
// first load the base class as the enhancer requires the class // first load the base class as the enhancer requires the class
// to be available // to be available
try { try {
meta.setInterfaceImpl(Class.forName(bc.getName(), true, _loader)); meta.setInterfaceImpl(Class.forName(bc.getName(), true, loader));
} catch (Throwable t) { } catch (Throwable t) {
throw new InternalException(_loc.get("interface-load"), t). throw new InternalException(_loc.get("interface-load", iface,
setFatal(true); loader), t).setFatal(true);
} }
// copy the BCClass into the enhancer project. // copy the BCClass into the enhancer project.
bc = _enhProject.loadClass(new ByteArrayInputStream(bc.toByteArray()), bc = _enhProject.loadClass(new ByteArrayInputStream(bc.toByteArray()),
_loader); loader);
PCEnhancer enhancer = new PCEnhancer(_repos.getConfiguration(), bc, PCEnhancer enhancer = new PCEnhancer(_repos.getConfiguration(), bc,
meta); meta);
@ -103,12 +103,13 @@ class InterfaceImplGenerator {
if (result != PCEnhancer.ENHANCE_PC) if (result != PCEnhancer.ENHANCE_PC)
throw new InternalException(_loc.get("interface-badenhance", throw new InternalException(_loc.get("interface-badenhance",
iface)).setFatal(true); iface)).setFatal(true);
BCClassLoader enhLoader = new BCClassLoader(_enhProject, parentLoader);
try{ try{
// load the class for real. // load the class for real.
impl = Class.forName(bc.getName(), true, _enhLoader); impl = Class.forName(bc.getName(), true, enhLoader);
} catch (Throwable t) { } catch (Throwable t) {
throw new InternalException(_loc.get("interface-load2"), t). throw new InternalException(_loc.get("interface-load2", iface,
setFatal(true); enhLoader), t).setFatal(true);
} }
// cache the generated impl. // cache the generated impl.
_impls.put(iface, impl); _impls.put(iface, impl);

5
openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties
View File

@ -294,3 +294,8 @@ scanning-zip-stream-url: Scanning jar in stream from URL "{0}" for persistent \
scanning-resource: Scanning resource "{0}" for persistent types. scanning-resource: Scanning resource "{0}" for persistent types.
scan-found-names: Scan of "{1}" found persistent types {0}. scan-found-names: Scan of "{1}" found persistent types {0}.
parse-found-names: parsePersistentTypeNames() found {0}. parse-found-names: parsePersistentTypeNames() found {0}.
interface-load: Dynamic implementation of managed "{0}" can not be defined \
using classloader "{1}". See nested exception for details.
interface-load2: Enhanced dynamic implementaion of managed "{0}" can not be \
defined using classloader "{1}". See nested exception for details.
interface-badenhance: Dynamic implementaion of "{0}" can not be enhanced.