*/
package org.opendaylight.controller.sample.toaster.provider;
-import static org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType.DELETE;
-import static org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType.WRITE;
-import static org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType.CONFIGURATION;
-import static org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType.OPERATIONAL;
+import static java.util.Objects.requireNonNull;
+import static org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType.DELETE;
+import static org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType.WRITE;
+import static org.opendaylight.mdsal.common.api.LogicalDatastoreType.CONFIGURATION;
+import static org.opendaylight.mdsal.common.api.LogicalDatastoreType.OPERATIONAL;
import static org.opendaylight.yangtools.yang.common.RpcError.ErrorType.APPLICATION;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.FluentFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.SettableFuture;
import java.util.Collection;
+import java.util.Optional;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
-import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
-import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
-import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import java.util.function.Function;
import org.opendaylight.controller.md.sal.common.util.jmx.AbstractMXBean;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.DataObjectModification;
+import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
+import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
+import org.opendaylight.mdsal.binding.api.NotificationPublishService;
+import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
+import org.opendaylight.mdsal.binding.api.WriteTransaction;
+import org.opendaylight.mdsal.common.api.CommitInfo;
+import org.opendaylight.mdsal.common.api.OptimisticLockFailedException;
+import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.CancelToastInput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.CancelToastOutput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.CancelToastOutputBuilder;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.DisplayString;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToastInput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToastOutput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToastOutputBuilder;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.RestockToasterInput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.RestockToasterOutput;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.RestockToasterOutputBuilder;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.Toaster;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.Toaster.ToasterStatus;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.ToasterBuilder;
import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.common.Uint32;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OpendaylightToaster extends AbstractMXBean
implements ToasterService, ToasterProviderRuntimeMXBean, DataTreeChangeListener<Toaster>, AutoCloseable {
+ private static final CancelToastOutput EMPTY_CANCEL_OUTPUT = new CancelToastOutputBuilder().build();
+ private static final MakeToastOutput EMPTY_MAKE_OUTPUT = new MakeToastOutputBuilder().build();
+ private static final RestockToasterOutput EMPTY_RESTOCK_OUTPUT = new RestockToasterOutputBuilder().build();
+
private static final Logger LOG = LoggerFactory.getLogger(OpendaylightToaster.class);
private static final InstanceIdentifier<Toaster> TOASTER_IID = InstanceIdentifier.builder(Toaster.class).build();
.setMaxMakeToastTries(2).build());
}
- public OpendaylightToaster(ToasterAppConfig toasterAppConfig) {
+ public OpendaylightToaster(final ToasterAppConfig toasterAppConfig) {
super("OpendaylightToaster", "toaster-provider", null);
executor = Executors.newFixedThreadPool(1);
this.toasterAppConfig = toasterAppConfig;
public void init() {
LOG.info("Initializing...");
- Preconditions.checkNotNull(dataBroker, "dataBroker must be set");
- dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
- new DataTreeIdentifier<>(CONFIGURATION, TOASTER_IID), this);
+ dataTreeChangeListenerRegistration = requireNonNull(dataBroker, "dataBroker must be set")
+ .registerDataTreeChangeListener(DataTreeIdentifier.create(CONFIGURATION, TOASTER_IID), this);
setToasterStatusUp(null);
// Register our MXBean.
if (dataBroker != null) {
WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
tx.delete(OPERATIONAL,TOASTER_IID);
- Futures.addCallback(tx.submit(), new FutureCallback<Void>() {
+ Futures.addCallback(tx.commit(), new FutureCallback<CommitInfo>() {
@Override
- public void onSuccess(final Void result) {
+ public void onSuccess(final CommitInfo result) {
LOG.debug("Successfully deleted the operational Toaster");
}
public void onFailure(final Throwable failure) {
LOG.error("Delete of the operational Toaster failed", failure);
}
- });
+ }, MoreExecutors.directExecutor());
}
}
* Implemented from the DataTreeChangeListener interface.
*/
@Override
- public void onDataTreeChanged(Collection<DataTreeModification<Toaster>> changes) {
+ public void onDataTreeChanged(final Collection<DataTreeModification<Toaster>> changes) {
for (DataTreeModification<Toaster> change: changes) {
DataObjectModification<Toaster> rootNode = change.getRootNode();
if (rootNode.getModificationType() == WRITE) {
+ "old Toaster: {}, new Toaster: {}", change.getRootPath().getRootIdentifier(),
oldToaster, newToaster);
- Long darkness = newToaster.getDarknessFactor();
+ Uint32 darkness = newToaster.getDarknessFactor();
if (darkness != null) {
- darknessFactor.set(darkness);
+ darknessFactor.set(darkness.toJava());
}
} else if (rootNode.getModificationType() == DELETE) {
LOG.info("onDataTreeChanged - Toaster config with path {} was deleted: old Toaster: {}",
* RPC call implemented from the ToasterService interface that cancels the current toast, if any.
*/
@Override
- public Future<RpcResult<Void>> cancelToast() {
+ public ListenableFuture<RpcResult<CancelToastOutput>> cancelToast(final CancelToastInput input) {
Future<?> current = currentMakeToastTask.getAndSet(null);
if (current != null) {
current.cancel(true);
}
// Always return success from the cancel toast call
- return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+ return Futures.immediateFuture(RpcResultBuilder.success(EMPTY_CANCEL_OUTPUT).build());
}
/**
* RPC call implemented from the ToasterService interface that attempts to make toast.
*/
@Override
- public Future<RpcResult<Void>> makeToast(final MakeToastInput input) {
- LOG.info("makeToast: " + input);
+ public ListenableFuture<RpcResult<MakeToastOutput>> makeToast(final MakeToastInput input) {
+ LOG.info("makeToast: {}", input);
- final SettableFuture<RpcResult<Void>> futureResult = SettableFuture.create();
+ final SettableFuture<RpcResult<MakeToastOutput>> futureResult = SettableFuture.create();
- checkStatusAndMakeToast(input, futureResult, toasterAppConfig.getMaxMakeToastTries());
+ checkStatusAndMakeToast(input, futureResult, toasterAppConfig.getMaxMakeToastTries().toJava());
return futureResult;
}
- private RpcError makeToasterOutOfBreadError() {
+ private static RpcError makeToasterOutOfBreadError() {
return RpcResultBuilder.newError(APPLICATION, "resource-denied", "Toaster is out of bread", "out-of-stock",
null, null);
}
- private RpcError makeToasterInUseError() {
+ private static RpcError makeToasterInUseError() {
return RpcResultBuilder.newWarning(APPLICATION, "in-use", "Toaster is busy", null, null, null);
}
- private void checkStatusAndMakeToast(final MakeToastInput input, final SettableFuture<RpcResult<Void>> futureResult,
- final int tries) {
+ private void checkStatusAndMakeToast(final MakeToastInput input,
+ final SettableFuture<RpcResult<MakeToastOutput>> futureResult, final int tries) {
// Read the ToasterStatus and, if currently Up, try to write the status to Down.
// If that succeeds, then we essentially have an exclusive lock and can proceed
// to make toast.
final ReadWriteTransaction tx = dataBroker.newReadWriteTransaction();
- ListenableFuture<Optional<Toaster>> readFuture = tx.read(OPERATIONAL, TOASTER_IID);
+ FluentFuture<Optional<Toaster>> readFuture = tx.read(OPERATIONAL, TOASTER_IID);
- final ListenableFuture<Void> commitFuture =
+ final ListenableFuture<? extends CommitInfo> commitFuture =
Futures.transformAsync(readFuture, toasterData -> {
ToasterStatus toasterStatus = ToasterStatus.Up;
if (toasterData.isPresent()) {
if (outOfBread()) {
LOG.debug("Toaster is out of bread");
- return Futures.immediateFailedCheckedFuture(
+ tx.cancel();
+ return Futures.immediateFailedFuture(
new TransactionCommitFailedException("", makeToasterOutOfBreadError()));
}
// to indicate we're going to make toast. This acts as a lock to prevent
// concurrent toasting.
tx.put(OPERATIONAL, TOASTER_IID, buildToaster(ToasterStatus.Down));
- return tx.submit();
+ return tx.commit();
}
LOG.debug("Oops - already making toast!");
// Return an error since we are already making toast. This will get
// propagated to the commitFuture below which will interpret the null
// TransactionStatus in the RpcResult as an error condition.
- return Futures.immediateFailedCheckedFuture(
+ tx.cancel();
+ return Futures.immediateFailedFuture(
new TransactionCommitFailedException("", makeToasterInUseError()));
- });
+ }, MoreExecutors.directExecutor());
- Futures.addCallback(commitFuture, new FutureCallback<Void>() {
+ Futures.addCallback(commitFuture, new FutureCallback<CommitInfo>() {
@Override
- public void onSuccess(final Void result) {
+ public void onSuccess(final CommitInfo result) {
// OK to make toast
currentMakeToastTask.set(executor.submit(new MakeToastTask(input, futureResult)));
}
LOG.debug("Got OptimisticLockFailedException - trying again");
checkStatusAndMakeToast(input, futureResult, tries - 1);
} else {
- futureResult.set(RpcResultBuilder.<Void>failed()
+ futureResult.set(RpcResultBuilder.<MakeToastOutput>failed()
.withError(ErrorType.APPLICATION, ex.getMessage()).build());
}
} else if (ex instanceof TransactionCommitFailedException) {
LOG.debug("Failed to commit Toaster status", ex);
// Probably already making toast.
- futureResult.set(RpcResultBuilder.<Void>failed()
+ futureResult.set(RpcResultBuilder.<MakeToastOutput>failed()
.withRpcErrors(((TransactionCommitFailedException)ex).getErrorList()).build());
} else {
LOG.debug("Unexpected error committing Toaster status", ex);
- futureResult.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
+ futureResult.set(RpcResultBuilder.<MakeToastOutput>failed().withError(ErrorType.APPLICATION,
"Unexpected error committing Toaster status", ex).build());
}
}
- });
+ }, MoreExecutors.directExecutor());
}
/**
* ToasterRestocked notification.
*/
@Override
- public Future<RpcResult<java.lang.Void>> restockToaster(final RestockToasterInput input) {
- LOG.info("restockToaster: " + input);
+ public ListenableFuture<RpcResult<RestockToasterOutput>> restockToaster(final RestockToasterInput input) {
+ LOG.info("restockToaster: {}", input);
- amountOfBreadInStock.set(input.getAmountOfBreadToStock());
+ amountOfBreadInStock.set(input.getAmountOfBreadToStock().toJava());
if (amountOfBreadInStock.get() > 0) {
ToasterRestocked reStockedNotification = new ToasterRestockedBuilder()
notificationProvider.offerNotification(reStockedNotification);
}
- return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+ return Futures.immediateFuture(RpcResultBuilder.success(EMPTY_RESTOCK_OUTPUT).build());
}
/**
return toastsMade.get();
}
- private void setToasterStatusUp(final Function<Boolean,Void> resultCallback) {
+ private void setToasterStatusUp(final Function<Boolean, MakeToastOutput> resultCallback) {
WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
tx.put(OPERATIONAL,TOASTER_IID, buildToaster(ToasterStatus.Up));
- Futures.addCallback(tx.submit(), new FutureCallback<Void>() {
+ Futures.addCallback(tx.commit(), new FutureCallback<CommitInfo>() {
@Override
- public void onSuccess(final Void result) {
+ public void onSuccess(final CommitInfo result) {
LOG.info("Successfully set ToasterStatus to Up");
notifyCallback(true);
}
resultCallback.apply(result);
}
}
- });
+ }, MoreExecutors.directExecutor());
}
private boolean outOfBread() {
private class MakeToastTask implements Callable<Void> {
final MakeToastInput toastRequest;
- final SettableFuture<RpcResult<Void>> futureResult;
+ final SettableFuture<RpcResult<MakeToastOutput>> futureResult;
- MakeToastTask(final MakeToastInput toastRequest, final SettableFuture<RpcResult<Void>> futureResult) {
+ MakeToastTask(final MakeToastInput toastRequest,
+ final SettableFuture<RpcResult<MakeToastOutput>> futureResult) {
this.toastRequest = toastRequest;
this.futureResult = futureResult;
}
public Void call() {
try {
// make toast just sleeps for n seconds per doneness level.
- Thread.sleep(OpendaylightToaster.this.darknessFactor.get() * toastRequest.getToasterDoneness());
+ Thread.sleep(OpendaylightToaster.this.darknessFactor.get()
+ * toastRequest.getToasterDoneness().toJava());
} catch (InterruptedException e) {
LOG.info("Interrupted while making the toast");
setToasterStatusUp(result -> {
currentMakeToastTask.set(null);
LOG.debug("Toast done");
- futureResult.set(RpcResultBuilder.<Void>success().build());
+ futureResult.set(RpcResultBuilder.success(EMPTY_MAKE_OUTPUT).build());
return null;
});