Examples of com.google_voltpatches.common.util.concurrent.Service.State

Package com.google_voltpatches.common.util.concurrent.Service

Examples of com.google_voltpatches.common.util.concurrent.Service.State

com.google_voltpatches.common.util.concurrent.Service.State

   * @throws IllegalStateException if any of the Services are not {@link State#NEW new} when the
   *     method is called.
   */
  public ServiceManager startAsync() {
    for (Service service : services) {
      State state = service.state();
      checkState(state == NEW, "Service %s is %s, cannot start it.", service, state);
    }
    for (Service service : services) {
      try {
        state.tryStartTiming(service);
        service.startAsync();
      } catch (IllegalStateException e) {
        // This can happen if the service has already been started or stopped (e.g. by another
        // service or listener). Our contract says it is safe to call this method if
        // all services were NEW when it was called, and this has already been verified above, so we

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  }


  @Override public final Service stopAsync() {
    if (monitor.enterIf(isStoppable)) {
      try {
        State previous = state();
        switch (previous) {
          case NEW:
            snapshot = new StateSnapshot(TERMINATED);
            terminated(NEW);
            break;

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  }


  /** Checks that the current state is equal to the expected state. */
  @GuardedBy("monitor")
  private void checkCurrentState(State expected) {
    State actual = state();
    if (actual != expected) {
      if (actual == FAILED) {
        // Handle this specially so that we can include the failureCause, if there is one.
        throw new IllegalStateException("Expected the service to be " + expected
            + ", but the service has FAILED", failureCause());

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  protected final void notifyStopped() {
    monitor.enter();
    try {
      // We check the internal state of the snapshot instead of state() directly so we don't allow
      // notifyStopped() to be called while STARTING, even if stop() has already been called.
      State previous = snapshot.state;
      if (previous != STOPPING && previous != RUNNING) {
        IllegalStateException failure = new IllegalStateException(
            "Cannot notifyStopped() when the service is " + previous);
        notifyFailed(failure);
        throw failure;

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  protected final void notifyFailed(Throwable cause) {
    checkNotNull(cause);


    monitor.enter();
    try {
      State previous = state();
      switch (previous) {
        case NEW:
        case TERMINATED:
          throw new IllegalStateException("Failed while in state:" + previous, cause);
        case RUNNING:

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Related Classes of com.google_voltpatches.common.util.concurrent.Service.State

com.google_voltpatches.common.util.concurrent.AbstractService

com.google_voltpatches.common.util.concurrent.ServiceManager

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