java.lang.instrument.Instrumentation.addTransformer()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中java.lang.instrument.Instrumentation.addTransformer()方法的一些代码示例，展示了Instrumentation.addTransformer()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Instrumentation.addTransformer()方法的具体详情如下：
包路径：java.lang.instrument.Instrumentation
类名称：Instrumentation
方法名：addTransformer

Instrumentation.addTransformer介绍

暂无

代码示例

代码示例来源：origin: redisson/redisson

/**
   * {@inheritDoc}
   */
  public void addTransformer(Instrumentation instrumentation, ClassFileTransformer classFileTransformer, boolean canRetransform) {
    if (canRetransform) {
      throw new UnsupportedOperationException("The current VM does not support retransformation");
    }
    instrumentation.addTransformer(classFileTransformer);
  }
}

代码示例来源：origin: redisson/redisson

/**
 * {@inheritDoc}
 */
public void addTransformer(Instrumentation instrumentation, ClassFileTransformer classFileTransformer, boolean canRetransform) {
  if (canRetransform) {
    throw new UnsupportedOperationException("Cannot apply retransformation on legacy VM");
  } else {
    instrumentation.addTransformer(classFileTransformer);
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void addTransformer(ClassFileTransformer transformer) {
  Assert.notNull(transformer, "Transformer must not be null");
  FilteringClassFileTransformer actualTransformer =
      new FilteringClassFileTransformer(transformer, this.classLoader);
  synchronized (this.transformers) {
    Assert.state(this.instrumentation != null,
        "Must start with Java agent to use InstrumentationLoadTimeWeaver. See Spring documentation.");
    this.instrumentation.addTransformer(actualTransformer);
    this.transformers.add(actualTransformer);
  }
}

代码示例来源：origin: org.springframework/spring-context

@Override
public void addTransformer(ClassFileTransformer transformer) {
  Assert.notNull(transformer, "Transformer must not be null");
  FilteringClassFileTransformer actualTransformer =
      new FilteringClassFileTransformer(transformer, this.classLoader);
  synchronized (this.transformers) {
    Assert.state(this.instrumentation != null,
        "Must start with Java agent to use InstrumentationLoadTimeWeaver. See Spring documentation.");
    this.instrumentation.addTransformer(actualTransformer);
    this.transformers.add(actualTransformer);
  }
}

代码示例来源：origin: linkedin/parseq

public static void agentmain(String agentArgs, Instrumentation instrumentation) {
 if (_initialized.compareAndSet(false, true)) {
  instrumentation.addTransformer(new Analyzer());
 }
}

代码示例来源：origin: kilim/kilim

public static void premain(String agentArgs,Instrumentation inst) {
  if (map==null) map = new TreeMap();
  inst.addTransformer(new Agent());
}

代码示例来源：origin: oldmanpushcart/greys-anatomy

inst.addTransformer(resetClassFileTransformer, true);

代码示例来源：origin: oldmanpushcart/greys-anatomy

inst.addTransformer(getClassByteArrayFileTransformer, true);
final int size = classes.size();
final Class<?>[] classArray = new Class<?>[size];

代码示例来源：origin: LinShunKang/MyPerf4J

public static void premain(String options, Instrumentation ins) {
  if (ASMBootstrap.getInstance().initial()) {
    ins.addTransformer(new ProfilingTransformer());
  }
}

代码示例来源：origin: oldmanpushcart/greys-anatomy

inst.addTransformer(enhancer, true);

代码示例来源：origin: scouter-project/scouter

public static void premain(String options, Instrumentation instrum) {
  if (JavaAgent.instrumentation != null) {
    return;
  }
  intro();
  Configure config = Configure.getInstance();
  
  JavaAgent.instrumentation = instrum;
  if(config.scouter_enabled){
    JavaAgent.instrumentation.addTransformer(new AgentTransformer());			
    BatchMonitor.getInstance();
  }
}

代码示例来源：origin: alibaba/TProfiler

/**
   * @param args
   * @param inst
   */
  public static void premain(String args, Instrumentation inst) {
    Manager.instance().initialization();
    inst.addTransformer(new ProfTransformer());
    Manager.instance().startupThread();
  }
}

代码示例来源：origin: uber-common/jvm-profiler

public void run(Arguments arguments, Instrumentation instrumentation, Collection<AutoCloseable> objectsToCloseOnShutdown) {
  if (arguments.isNoop()) {
    logger.info("Agent noop is true, do not run anything");
    return;
  }
  
  Reporter reporter = arguments.getReporter();
  String processUuid = UUID.randomUUID().toString();
  String appId = null;
  
  String appIdVariable = arguments.getAppIdVariable();
  if (appIdVariable != null && !appIdVariable.isEmpty()) {
    appId = System.getenv(appIdVariable);
  }
  
  if (appId == null || appId.isEmpty()) {
    appId = SparkUtils.probeAppId(arguments.getAppIdRegex());
  }
  if (!arguments.getDurationProfiling().isEmpty()
      || !arguments.getArgumentProfiling().isEmpty()) {
    instrumentation.addTransformer(new JavaAgentFileTransformer(arguments.getDurationProfiling(), arguments.getArgumentProfiling()));
  }
  List<Profiler> profilers = createProfilers(reporter, arguments, processUuid, appId);
  
  ProfilerGroup profilerGroup = startProfilers(profilers);
  Thread shutdownHook = new Thread(new ShutdownHookRunner(profilerGroup.getPeriodicProfilers(), Arrays.asList(reporter), objectsToCloseOnShutdown));
  Runtime.getRuntime().addShutdownHook(shutdownHook);
}

代码示例来源：origin: btraceio/btrace

inst.addTransformer(transformer, true);
Main.debugPrint("Agent init took: " + (System.nanoTime() - ts) + "ns");

代码示例来源：origin: alibaba/jvm-sandbox

inst.addTransformer(sandClassFileTransformer, true);

代码示例来源：origin: org.mockito/mockito-core

this.redefineModule = redefineModule;
MockMethodDispatcher.set(identifier, new MockMethodAdvice(mocks, identifier));
instrumentation.addTransformer(this, true);

代码示例来源：origin: scouter-project/scouter

public static void preStart(String options, Instrumentation instrum, ClassFileTransformer transformer) {
  if (JavaAgent.instrumentation != null) {
    return;
  }
  intro();
  Configure conf = Configure.getInstance();
  if(conf.hook_lambda_instrumentation_strategy_enabled) {
    Logger.println("LD001", "hook_lambda_instrumentation_strategy_enabled = true!");
    Logger.println("LD001", "This feature is very experimental !!\n test it in your test environment first !!");
    try {
      new AgentBuilder.Default()
          .with(AgentBuilder.LambdaInstrumentationStrategy.ENABLED)
          .installOn(instrum);
    } catch (Throwable t) {
      Logger.println("LD002", "scouter min version doesn't support this feature !!!");
      Logger.println("LD002", "Fail to hook_lambda_instrumentation_strategy_enabled !");
      Logger.println("LD003", "Fatal on load bytebuddy AgentBuilder", t);
    }
  }
  BackJobs.getInstance().put(Logger.class.getName(), 3000, Logger.initializer);
  JavaAgent.instrumentation = instrum;
  JavaAgent.instrumentation.addTransformer(transformer);
  //TODO suuport 1.5 ?
  //JavaAgent.instrumentation.addTransformer(transformer, true);
  // RequestAgent.getInstance();
  addAsyncRedefineClasses();
  TcpRequestMgr.getInstance();
  AsyncRunner.getInstance().add(new AgentBoot());
}

代码示例来源：origin: scouter-project/scouter

public static void preStart(String options, Instrumentation instrum, ClassFileTransformer transformer) {
  if (JavaAgent.instrumentation != null) {
    return;
  }
  intro();
  Configure conf = Configure.getInstance();
  if(conf.hook_lambda_instrumentation_strategy_enabled) {
    Logger.println("LD001", "hook_lambda_instrumentation_strategy_enabled = true!");
    Logger.println("LD001", "This feature is very experimental !!\n test it in your test environment first !!");
    try {
      new AgentBuilder.Default()
          .with(AgentBuilder.LambdaInstrumentationStrategy.ENABLED)
          .installOn(instrum);
    } catch (Throwable t) {
      Logger.println("LD002", "scouter min version doesn't support this feature !!!");
      Logger.println("LD002", "Fail to hook_lambda_instrumentation_strategy_enabled !");
      Logger.println("LD003", "Fatal on load bytebuddy AgentBuilder", t);
    }
  }
  BackJobs.getInstance().put(Logger.class.getName(), 3000, Logger.initializer);
  JavaAgent.instrumentation = instrum;
  JavaAgent.instrumentation.addTransformer(transformer);
  //TODO suuport 1.5 ?
  //JavaAgent.instrumentation.addTransformer(transformer, true);
  // RequestAgent.getInstance();
  addAsyncRedefineClasses();
  TcpRequestMgr.getInstance();
  AsyncRunner.getInstance().add(new AgentBoot());
}

代码示例来源：origin: electronicarts/ea-async

public static void premain(String agentArgs, Instrumentation inst)
  {
    inst.addTransformer(new Transformer(), true);
    System.setProperty(Transformer.EA_ASYNC_RUNNING, "true");
  }
}

代码示例来源：origin: stackoverflow.com

public class BasicAgent {
       public static void premain(String agentArguments, Instrumentation instrumentation){
         System.out.println("Simple Agent");
         FindUsageTransformer transformer = new FindUsageTransformer ();
         instrumentation.addTransformer(transformer,true);
       }
     }

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