Java SupervisorStrategy类代码示例

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new OneForOneStrategy(10, Duration.create(1, TimeUnit.MINUTES),
            new Function<Throwable, SupervisorStrategy.Directive>() {
                @Override
                public SupervisorStrategy.Directive apply(Throwable param)
                         throws Exception {
                    if (param instanceof
                            IllegalArgumentException)
                        return SupervisorStrategy.restart();
                    if (param instanceof
                            ArithmeticException)
                        return SupervisorStrategy.resume();
                    if (param instanceof
                            NullPointerException)
                        return SupervisorStrategy.stop();
                    else return SupervisorStrategy.escalate();
                }
            }
    );
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
private static SupervisorStrategy buildResumeOnRuntimeErrorStrategy() {
  return new OneForOneStrategy(-1, Duration.Inf(),
          new Function<Throwable, SupervisorStrategy.Directive>() {
      @Override
      public Directive apply(Throwable throwable) throws Exception {
        logException(throwable);
        if (throwable instanceof Error) {
          return OneForOneStrategy.escalate();
        } else if (throwable instanceof RuntimeException) {
          return OneForOneStrategy.resume();
        } else {
          return OneForOneStrategy.restart();
        }
      }
    });
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new OneForOneStrategy(-1, Duration.Inf(),
            t -> {
                log.info("Throwable, Work is failed for1 "+ t);
                if (t instanceof ActorInitializationException)
                    return stop();
                else if (t instanceof DeathPactException)
                    return stop();
                else if (t instanceof RuntimeException) {
                    if (currentJobId!=null) {
                        log.info("RuntimeException, Work is failed for "+ currentJobId);
                        sendToMaster(new MasterWorkerProtocol.WorkFailed(workerId, jobId(),new Result(-1,"","","",null)));
                    }
                    getContext().become(receiveBuilder()
                            .matchAny(p->idle.apply(p))
                            .build());
                    return restart();
                }
                else if (t instanceof Exception) {
                    if (currentJobId!=null) {
                        log.info("Exception, Work is failed for "+ currentJobId);
                        sendToMaster(new MasterWorkerProtocol.WorkFailed(workerId, jobId(),new Result(-1,"","","",null)));
                    }
                    getContext().become(receiveBuilder()
                            .matchAny(p->idle.apply(p))
                            .build());
                    return restart();
                }
                else {
                    log.info("Throwable, Work is failed for "+ t);
                    return escalate();
                }
            }
    );
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy create() {
	return new OneForOneStrategy(
		false,
		new PFBuilder<Throwable, SupervisorStrategy.Directive>()
			.match(
				Exception.class,
				(Exception e) -> {
					if (e instanceof ActorKilledException) {
						LOG.debug("Actor was killed. Stopping it now.", e);
					} else {
						LOG.error("Actor failed with exception. Stopping it now.", e);
					}
					return SupervisorStrategy.Stop$.MODULE$;
				})
			.build());
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy()
{
	SupervisorStrategyInfo info = javactorInfoByJavactorType
		.get(javactor.getClass()).getSupervisorStrategyInfo().getInfo();
	Duration withinDuration = toDuration(info.getTimeRange(), info.getTimeUnit());
	final int maxNumRetries = info.getMaxNumRetries();
	final boolean loggingEnabled = info.isLoggingEnabled();
	return info.getType().equals(SupervisorStrategyType.ONE_FOR_ONE) ?
		new OneForOneStrategy(maxNumRetries, 
			withinDuration,
			myDecider(),
			loggingEnabled 
			) :
		new AllForOneStrategy(maxNumRetries, 
			withinDuration,
			myDecider(),
			loggingEnabled 
			);
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {

    return new OneForOneStrategy(10, Duration.create("1 minute"),
            (Function<Throwable, Directive>) t -> {
                LOG.warn("Supervisor Strategy caught unexpected exception - resuming", t);
                return SupervisorStrategy.resume();
            });
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new OneForOneStrategy(10, Duration.create("1 minute"), t -> {
        LOG.error("An exception happened actor will be resumed", t);
        return SupervisorStrategy.resume();
    });
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
  return new OneForOneStrategy(-1, Duration.Inf(), throwable -> {
    logger.error(throwable, "Unknown session error");
    if (throwable instanceof Error) {
      return OneForOneStrategy.escalate();
    } else {
      return OneForOneStrategy.resume();
    }
  });
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public Directive apply(Throwable t) {
  logger.error(t, "Unknown failure");
  if (t instanceof RuntimeException) {
    return SupervisorStrategy.restart();
  } else {
    return SupervisorStrategy.stop();
  }
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new AllForOneStrategy(10, Duration.create(1, TimeUnit.HOURS),
      new Function<Throwable, Directive>() {
          @Override
          public Directive apply(Throwable param) throws Exception {
              if (param instanceof IllegalArgumentException) return escalate();
              if (param instanceof ArithmeticException) return escalate();
              if (param instanceof NullPointerException) return escalate();
              else return stop();
          }
      }
   );
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new AllForOneStrategy(10, Duration.create(1, TimeUnit.HOURS),
            new Function<Throwable, SupervisorStrategy.Directive>() {
                @Override
                public SupervisorStrategy.Directive apply(Throwable param) throws Exception {
                    if (param instanceof IllegalArgumentException) return escalate();
                    if (param instanceof ArithmeticException) return escalate();
                    if (param instanceof NullPointerException) return escalate();
                    else return stop();
                }
            }
    );
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy supervisorStrategy() {
    return new AllForOneStrategy(10, Duration.create(1, TimeUnit.HOURS),
            new Function<Throwable, SupervisorStrategy.Directive>() {
                @Override
                public SupervisorStrategy.Directive apply(Throwable param) throws Exception {
                    if (param instanceof IllegalArgumentException) return SupervisorStrategy.stop();
                    if (param instanceof ArithmeticException) return SupervisorStrategy.resume();
                    if (param instanceof NullPointerException) return SupervisorStrategy.restart();
                    else return SupervisorStrategy.escalate();
                }
            }
    );
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
/**
 * Returns how to handle the given fault that occurred in a child actor.
 *
 * <p>If an exception occurs in the child actor, we send a {@link Status.Failure} message to this actor.
 * Otherwise, if the {@link Throwable} is not an exception, the failure is escalated; that is, this actor will
 * fail itself.
 *
 * <p>The strategy deactivates the Akka-provided logging, which logs all exception as errors by default. Instead,
 * this strategy performs its own logging: If the {@link Throwable} is an {@link Exception}, the exception is logged
 * at the debug level. Otherwise, the {@link Throwable} is logged at the error level.
 */
private SupervisorStrategy.Directive supervisorDirective(Throwable throwable) {
    if (throwable instanceof Exception) {
        InterpreterException exception = throwable instanceof InterpreterException
            ? (InterpreterException) throwable
            : new InterpreterException(
                ExecutionTrace.empty(),
                String.format("Failure of root-module interpreter %s.", getSender()),
                throwable
            );

        if (log.isDebugEnabled()) {
            StringWriter stringWriter = new StringWriter();
            PrintWriter writer = new PrintWriter(stringWriter);
            writer.println(
                "Exception thrown in root-module interpreter and caught in top-level interpreter.");
            throwable.printStackTrace(writer);
            log.debug(stringWriter.toString());
        }

        getSelf().tell(new Status.Failure(exception), getSender());
        return SupervisorStrategy.stop();
    } else {
        log.error(throwable, "Error in root-module interpreter. Escalating... The JVM may not survive.");
        return SupervisorStrategy.escalate();
    }
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
@Override
public SupervisorStrategy.Directive apply(Throwable throwable) {
    if (throwable instanceof Exception) {
        return SupervisorStrategy.stop();
    } else {
        return SupervisorStrategy.escalate();
    }
}
 

import akka.actor.SupervisorStrategy; //导入依赖的package包/类
/**
 * Returns how to handle the given fault that occurred in a child actor.
 */
private SupervisorStrategy.Directive supervisorDirective(Throwable throwable) {
    if (throwable instanceof InterpreterException) {
        return SupervisorStrategy.escalate();
    } else if (throwable instanceof Exception) {
        InterpreterException interpreterException = mapChildException((Exception) throwable);
        getSelf().tell(new ChildActorFailed(interpreterException), getSelf());
        return SupervisorStrategy.stop();
    } else {
        return SupervisorStrategy.escalate();
    }
}