Examples with CompilingClassLoader org.apache.storm.sql.javac.CompilingClassLoader used on opensource projects

Example 11 with CompilingClassLoader

use of org.apache.storm.sql.javac.CompilingClassLoader in project storm by apache.

the class StormSqlImpl method packageTopology.

private void packageTopology(Path jar, AbstractStreamsProcessor processor) throws IOException {
    Manifest manifest = new Manifest();
    Attributes attr = manifest.getMainAttributes();
    attr.put(Attributes.Name.MANIFEST_VERSION, "1.0");
    attr.put(Attributes.Name.MAIN_CLASS, processor.getClass().getCanonicalName());
    try (JarOutputStream out = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(jar.toFile())), manifest)) {
        List<CompilingClassLoader> classLoaders = processor.getClassLoaders();
        if (classLoaders != null && !classLoaders.isEmpty()) {
            for (CompilingClassLoader classLoader : classLoaders) {
                for (Map.Entry<String, ByteArrayOutputStream> e : classLoader.getClasses().entrySet()) {
                    out.putNextEntry(new ZipEntry(e.getKey().replace(".", "/") + ".class"));
                    out.write(e.getValue().toByteArray());
                    out.closeEntry();
                }
            }
        }
    }
}

Example 12 with CompilingClassLoader

use of org.apache.storm.sql.javac.CompilingClassLoader in project storm by apache.

the class StreamsPlanCreator method createScalarInstance.

public ExecutableExpression createScalarInstance(RexProgram program, String className) throws CompilingClassLoader.CompilerException, ClassNotFoundException, IllegalAccessException, InstantiationException {
    String expr = rexCompiler.compile(program, className);
    CompilingClassLoader classLoader = new CompilingClassLoader(getLastClassLoader(), className, expr, null);
    ExecutableExpression instance = (ExecutableExpression) classLoader.loadClass(className).newInstance();
    addClassLoader(classLoader);
    return new DebuggableExecutableExpression(instance, expr);
}