JarReader getJarReader() {
if (jarReader == null) {
ClassFactoryContext cfc =
(ClassFactoryContext) ContextService.getContextOrNull(ClassFactoryContext.CONTEXT_ID);
jarReader = cfc.getJarReader();
}
return jarReader;
}
private String getClasspath() throws StandardException {
ClassFactoryContext cfc =
(ClassFactoryContext) ContextService.getContextOrNull(ClassFactoryContext.CONTEXT_ID);
PersistentSet ps = cfc.getPersistentSet();
String classpath = PropertyUtil.getServiceProperty(ps, Property.DATABASE_CLASSPATH);
//
// In per database mode we must always have a classpath. If we do not
// yet have one we make one up.
if (classpath == null) classpath = "";
return classpath;
}
private boolean lockClassLoader(ShExQual qualifier) throws StandardException {
if (lf == null) return false;
ClassFactoryContext cfc =
(ClassFactoryContext) ContextService.getContextOrNull(ClassFactoryContext.CONTEXT_ID);
// This method can be called from outside of the database
// engine, in which case tc will be null. In that case
// we lock the class loader only for the duration of
// the loadClass().
CompatibilitySpace lockSpace = null;
if (cfc != null) {
lockSpace = cfc.getLockSpace();
}
if (lockSpace == null) lockSpace = compat;
Object lockGroup = lockSpace.getOwner();
lf.lockObject(lockSpace, lockGroup, classLoaderLock, qualifier, C_LockFactory.TIMED_WAIT);
return (lockGroup == this);
}