GroovyClassloader行为理解,
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("groovy");
GroovyScriptEngineImpl groovyEngineImpl = (GroovyScriptEngineImpl) engine;
循环,
for (int i = 0; i < 10; i++) {
long startTime = System.currentTimeMillis();
classLoader = new GroovyClassLoader(groovyEngineImpl.getClassLoader().getParent());
fileName = fileName + i;
Class groovyClass = classLoader.parseClass(s,fileName);
long endTime = System.currentTimeMillis();
System.out.println("Total elapsed time in execution o " + (endTime-startTime));
startTime = System.currentTimeMillis();
groovyClass = classLoader.parseClass(s,fileName);
endTime = System.currentTimeMillis();
System.out.println("Second Time Total elapsed time in execution o " + (endTime-startTime));
}
关于上述代码,我有几个问题:
答案 0 :(得分:0)
s
的类型。如果它是一个文件,它将检查是否需要重新编译,如果不是,它将使用相同的类。如果它是String
或其他东西,那么它将不得不再次从theis String重新编译该类