How to use

SafeCallManager

in

org.eclipse.smarthome.core.internal.common

@Override
@Nullable
public Object invoke(@Nullable Object proxy, @Nullable Method method, Object @Nullable [] args) throws Throwable {
  if (method != null) {
    try {
      getManager().enqueue(new Invocation(this, method, args));
    } catch (DuplicateExecutionException e) {
      handleDuplicate(method, e);
    }
  }
  return null;
}

@Override
@Nullable
public Object invoke(@Nullable Object proxy, @Nullable Method method, Object @Nullable [] args) throws Throwable {
  if (method != null) {
    Invocation invocation = new Invocation(this, method, args);
    Invocation activeInvocation = getManager().getActiveInvocation();
    if (activeInvocation != null) {
      if (logger.isDebugEnabled()) {
        logger.debug(MSG_CONTEXT, toString(method), getTarget());
      }
      try {
        activeInvocation.getInvocationStack().push(invocation);
        return invokeDirect(invocation);
      } finally {
        activeInvocation.getInvocationStack().poll();
      }
    }
    try {
      Future<Object> future = getManager().getScheduler().submit(invocation);
      return future.get(getTimeout(), TimeUnit.MILLISECONDS);
    } catch (TimeoutException e) {
      handleTimeout(method, invocation);
    } catch (ExecutionException e) {
      handleExecutionException(method, e);
    }
  }
  return null;
}

@Nullable
Object invokeDirect(Invocation invocation) throws IllegalAccessException, IllegalArgumentException {
  try {
    manager.recordCallStart(invocation);
  } catch (DuplicateExecutionException e) {
    return null;
  }
  try {
    return invocation.getMethod().invoke(target, invocation.getArgs());
  } catch (InvocationTargetException e) {
    handleException(invocation.getMethod(), e);
    return null;
  } finally {
    manager.recordCallEnd(invocation);
  }
}

@Nullable
Object invokeDirect(Invocation invocation) throws IllegalAccessException, IllegalArgumentException {
  try {
    manager.recordCallStart(invocation);
  } catch (DuplicateExecutionException e) {
    return null;
  }
  try {
    return invocation.getMethod().invoke(target, invocation.getArgs());
  } catch (InvocationTargetException e) {
    handleException(invocation.getMethod(), e);
    return null;
  } finally {
    manager.recordCallEnd(invocation);
  }
}

@Override
@Nullable
public Object invoke(@Nullable Object proxy, @Nullable Method method, Object @Nullable [] args) throws Throwable {
  if (method != null) {
    Invocation invocation = new Invocation(this, method, args);
    Invocation activeInvocation = getManager().getActiveInvocation();
    if (activeInvocation != null) {
      if (logger.isDebugEnabled()) {
        logger.debug(MSG_CONTEXT, toString(method), getTarget());
      }
      try {
        activeInvocation.getInvocationStack().push(invocation);
        return invokeDirect(invocation);
      } finally {
        activeInvocation.getInvocationStack().poll();
      }
    }
    try {
      Future<Object> future = getManager().getScheduler().submit(invocation);
      return future.get(getTimeout(), TimeUnit.MILLISECONDS);
    } catch (TimeoutException e) {
      handleTimeout(method, invocation);
    } catch (ExecutionException e) {
      handleExecutionException(method, e);
    }
  }
  return null;
}

@Override
@Nullable
public Object invoke(@Nullable Object proxy, @Nullable Method method, Object @Nullable [] args) throws Throwable {
  if (method != null) {
    try {
      getManager().enqueue(new Invocation(this, method, args));
    } catch (DuplicateExecutionException e) {
      handleDuplicate(method, e);
    }
  }
  return null;
}