Examples of serp.bytecode.Project

serp.bytecode.Project
The Project represents a working set of classes. It caches parsed bytecode and is responsible for bytecode class creation. Currently changes made in one class are not reflected in other classes, though this will be an option in the future.
Bytecode that has been parsed is held in a cache so that retrieving a class with the same name multiple times always returns the same {@link BCClass} instance.
A future goal is to eventually have facilities for traversing jars or directory structures to find classes that meet a given criteria (such as implementing a given interface, etc) and to perform operations on entire projects, similar to aspect-oriented programming.
@author Abe White

            classes = new HashSet();
            for (int i = 0; i < args.length; i++)
                classes.addAll(Arrays.asList(cap.parseTypes(args[i])));
        }


        Project project = new Project();
        BCClass bc;
        PCEnhancer enhancer;
        int status;
        for (Iterator itr = classes.iterator(); itr.hasNext();) {
            Object o = itr.next();
            if (log.isTraceEnabled())
                log.trace(_loc.get("enhance-running", o));


            if (o instanceof String)
                bc = project.loadClass((String) o, loader);
            else
                bc = project.loadClass((Class) o);
            enhancer = new PCEnhancer(conf, bc, repos, loader);
            if (writer != null)
                enhancer.setBytecodeWriter(writer);
            enhancer.setDirectory(flags.directory);
            enhancer.setAddDefaultConstructor(flags.addDefaultConstructor);
            status = enhancer.run();
            if (status == ENHANCE_NONE) {
                if (log.isTraceEnabled())
                    log.trace(_loc.get("enhance-norun"));
            } else if (status == ENHANCE_INTERFACE) {
                if (log.isTraceEnabled())
                    log.trace(_loc.get("enhance-interface"));
            } else if (status == ENHANCE_AWARE) {
                if (log.isTraceEnabled())
                    log.trace(_loc.get("enhance-aware"));
                enhancer.record();
            } else
                enhancer.record();
            project.clear();
        }
        return true;
    }

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                    enhance));
            if (enhance != Boolean.TRUE)
                return null;


            PCEnhancer enhancer = new PCEnhancer(_repos.getConfiguration(),
                new Project().loadClass(new ByteArrayInputStream(bytes),
                    _tmpLoader), _repos);
            enhancer.setAddDefaultConstructor(_flags.addDefaultConstructor);
            enhancer.setEnforcePropertyRestrictions
                (_flags.enforcePropertyRestrictions);

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        Configurations.populateConfiguration(conf, new Options());
        MetaDataRepository repos = conf.getMetaDataRepositoryInstance();
        ClassLoader loader = AccessController
            .doPrivileged(J2DoPrivHelper.newTemporaryClassLoaderAction(
                getClass().getClassLoader()));
        Project project = new Project();


        String className =
            "org.apache.openjpa.enhance.UnenhancedBootstrapInstance";
        BCClass bc = assertNotPC(loader, project, className);

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        Configurations.populateConfiguration(conf, opts);
        MetaDataRepository repos = conf.getMetaDataRepositoryInstance();
        ClassLoader loader = AccessController
            .doPrivileged(J2DoPrivHelper.newTemporaryClassLoaderAction(
                getClass().getClassLoader()));
        Project project = new Project();


        // make sure that the class is not already enhanced for some reason
        String className =
            "org.apache.openjpa.enhance.UnenhancedBootstrapInstance";
        BCClass bc = assertNotPC(loader, project, className);

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        Configurations.populateConfiguration(conf, opts);
        MetaDataRepository repos = conf.getMetaDataRepositoryInstance();
        ClassLoader loader = AccessController
            .doPrivileged(J2DoPrivHelper.newTemporaryClassLoaderAction(
                getClass().getClassLoader()));
        Project project = new Project();


        // make sure that the classes is not already enhanced for some reason
        assertNotPC(loader, project,
            "org.apache.openjpa.enhance.UnenhancedBootstrapInstance");
        assertNotPC(loader, project,

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     * Generate the bytecode for a collection proxy for the given type.
     */
    protected BCClass generateProxyCollectionBytecode(Class type, 
        boolean runtime) {
        assertNotFinal(type);
        Project project = new Project(); 
        BCClass bc = AccessController.doPrivileged(J2DoPrivHelper
            .loadProjectClassAction(project, getProxyClassName(type, runtime)));
        bc.setSuperclass(type);
        bc.declareInterface(ProxyCollection.class);

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    /**
     * Generate the bytecode for a map proxy for the given type.
     */
    protected BCClass generateProxyMapBytecode(Class type, boolean runtime) {
        assertNotFinal(type);
        Project project = new Project(); 
        BCClass bc = AccessController.doPrivileged(J2DoPrivHelper
            .loadProjectClassAction(project, getProxyClassName(type, runtime)));
        bc.setSuperclass(type);
        bc.declareInterface(ProxyMap.class);

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    /**
     * Generate the bytecode for a date proxy for the given type.
     */
    protected BCClass generateProxyDateBytecode(Class type, boolean runtime) {
        assertNotFinal(type);
        Project project = new Project(); 
        BCClass bc = AccessController.doPrivileged(J2DoPrivHelper
            .loadProjectClassAction(project, getProxyClassName(type, runtime)));
        bc.setSuperclass(type);
        bc.declareInterface(ProxyDate.class);

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     * Generate the bytecode for a calendar proxy for the given type.
     */
    protected BCClass generateProxyCalendarBytecode(Class type, 
        boolean runtime) {
        assertNotFinal(type);
        Project project = new Project(); 
        BCClass bc = AccessController.doPrivileged(J2DoPrivHelper
            .loadProjectClassAction(project, getProxyClassName(type, runtime)));
        bc.setSuperclass(type);
        bc.declareInterface(ProxyCalendar.class);

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                    cons = cs[i]; 
            if (cons == null)
                return null;
        }


        Project project = new Project(); 
        BCClass bc = AccessController.doPrivileged(J2DoPrivHelper
            .loadProjectClassAction(project, getProxyClassName(type, runtime)));
        bc.setSuperclass(type);
        bc.declareInterface(ProxyBean.class);

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org.apache.openjpa.enhance.ApplicationIdTool

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org.apache.openjpa.enhance.PCEnhancer

org.apache.openjpa.enhance.TestEnhancementWithMultiplePUs

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