OQLEngineImpl.java 文件源码

private void init(Snapshot snapshot) throws RuntimeException {
    this.snapshot = snapshot;
    try {
        ScriptEngineManager manager = new ScriptEngineManager();
        engine = manager.getEngineByName("JavaScript"); // NOI18N
        InputStream strm = getInitStream();
        CompiledScript cs = ((Compilable)engine).compile(new InputStreamReader(strm));
        cs.eval();
        Object heap = ((Invocable)engine).invokeFunction("wrapHeapSnapshot", snapshot); // NOI18N
        engine.put("heap", heap); // NOI18N
        engine.put("cancelled", cancelled); // NOI18N
    } catch (Exception ex) {
        LOGGER.log(Level.SEVERE, "Error initializing snapshot", ex); // NOI18N
        throw new RuntimeException(ex);
    }
}