+/*
+ * Copyright (c) 2014, 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.controller.sample.kitchen.impl;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableList.Builder;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.List;
+import java.util.Set;
import java.util.concurrent.ExecutionException;
-
-import org.opendaylight.controller.config.yang.config.kitchen_service.impl.KitchenServiceRuntimeMXBean;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import javax.annotation.PreDestroy;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.opendaylight.controller.md.sal.common.util.jmx.AbstractMXBean;
import org.opendaylight.controller.sample.kitchen.api.EggsType;
import org.opendaylight.controller.sample.kitchen.api.KitchenService;
+import org.opendaylight.controller.sample.kitchen.api.KitchenServiceRuntimeMXBean;
+import org.opendaylight.mdsal.binding.api.NotificationService;
+import org.opendaylight.mdsal.binding.api.NotificationService.CompositeListener;
+import org.opendaylight.mdsal.binding.api.RpcService;
+import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToast;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToastInputBuilder;
+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.ToastType;
-import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.ToasterListener;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.ToasterOutOfBread;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.ToasterRestocked;
-import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.ToasterService;
import org.opendaylight.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.WheatBread;
+import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.yang.common.ErrorTag;
+import org.opendaylight.yangtools.yang.common.ErrorType;
+import org.opendaylight.yangtools.yang.common.RpcError;
import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.common.Uint32;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class KitchenServiceImpl implements KitchenService, KitchenServiceRuntimeMXBean, ToasterListener {
-
- private static final Logger log = LoggerFactory.getLogger( KitchenServiceImpl.class );
+@Singleton
+@Component(service = KitchenService.class, immediate = true)
+public final class KitchenServiceImpl extends AbstractMXBean implements KitchenService, KitchenServiceRuntimeMXBean {
+ private static final Logger LOG = LoggerFactory.getLogger(KitchenServiceImpl.class);
+ private static final MakeToastOutput EMPTY_MAKE_OUTPUT = new MakeToastOutputBuilder().build();
- private final ToasterService toaster;
+ private final ExecutorService executor = Executors.newCachedThreadPool();
+ private final MakeToast makeToast;
+ private final Registration reg;
private volatile boolean toasterOutOfBread;
- public KitchenServiceImpl(ToasterService toaster) {
- this.toaster = toaster;
+ @Inject
+ @Activate
+ public KitchenServiceImpl(@Reference final RpcService rpcService,
+ @Reference final NotificationService notifService) {
+ super("KitchenService", "toaster-consumer", null);
+ makeToast = rpcService.getRpc(MakeToast.class);
+ reg = notifService.registerCompositeListener(new CompositeListener(Set.of(
+ new CompositeListener.Component<>(ToasterOutOfBread.class, notification -> {
+ LOG.info("ToasterOutOfBread notification");
+ toasterOutOfBread = true;
+ }),
+ new CompositeListener.Component<>(ToasterRestocked.class, notification -> {
+ LOG.info("ToasterRestocked notification - amountOfBread: {}", notification.getAmountOfBread());
+ toasterOutOfBread = false;
+ }))));
+ register();
+ }
+
+ @PreDestroy
+ @Deactivate
+ public void close() {
+ unregister();
+ reg.close();
}
@Override
- public boolean makeBreakfast( EggsType eggs, Class<? extends ToastType> toast, int toastDoneness ) {
+ public ListenableFuture<RpcResult<Void>> makeBreakfast(final EggsType eggsType, final ToastType toastType,
+ final int toastDoneness) {
+ // Call makeToast, The OpendaylightToaster impl already returns a ListenableFuture so the conversion is
+ // actually a no-op.
- if( toasterOutOfBread )
- {
- log.info( "We're out of toast but we can make eggs" );
- return true;
- }
+ ListenableFuture<RpcResult<MakeToastOutput>> makeToastFuture = makeToast(toastType, toastDoneness);
- // Access the ToasterService to make the toast.
- // We don't actually make the eggs for this example - sorry.
- MakeToastInputBuilder toastInput = new MakeToastInputBuilder();
- toastInput.setToasterDoneness( (long) toastDoneness);
- toastInput.setToasterToastType( toast );
+ ListenableFuture<RpcResult<Void>> makeEggsFuture = makeEggs(eggsType);
- try {
- RpcResult<Void> result = toaster.makeToast( toastInput.build() ).get();
+ // Combine the 2 ListenableFutures into 1 containing a list RpcResults.
- if( result.isSuccessful() ) {
- log.info( "makeToast succeeded" );
- } else {
- log.warn( "makeToast failed: " + result.getErrors() );
+ ListenableFuture<List<RpcResult<? extends Object>>> combinedFutures = Futures
+ .allAsList(ImmutableList.of(makeToastFuture, makeEggsFuture));
+
+ // Then transform the RpcResults into 1.
+
+ return Futures.transformAsync(combinedFutures, results -> {
+ boolean atLeastOneSucceeded = false;
+ Builder<RpcError> errorList = ImmutableList.builder();
+ for (RpcResult<? extends Object> result : results) {
+ if (result.isSuccessful()) {
+ atLeastOneSucceeded = true;
+ }
+
+ if (result.getErrors() != null) {
+ errorList.addAll(result.getErrors());
+ }
}
- return result.isSuccessful();
- } catch( InterruptedException | ExecutionException e ) {
- log.warn( "Error occurred during toast creation" );
- }
- return false;
+ return RpcResultBuilder.<Void>status(atLeastOneSucceeded).withRpcErrors(errorList.build()).buildFuture();
+ }, MoreExecutors.directExecutor());
}
- @Override
- public Boolean makeScrambledWithWheat() {
- return makeBreakfast( EggsType.SCRAMBLED, WheatBread.class, 2 );
+ private ListenableFuture<RpcResult<Void>> makeEggs(final EggsType eggsType) {
+ return Futures.submit(() -> RpcResultBuilder.<Void>success().build(), executor);
}
- /**
- * Implemented from the ToasterListener interface.
- */
- @Override
- public void onToasterOutOfBread( ToasterOutOfBread notification ) {
- log.info( "ToasterOutOfBread notification" );
- toasterOutOfBread = true;
+ private ListenableFuture<RpcResult<MakeToastOutput>> makeToast(final ToastType toastType, final int toastDoneness) {
+ if (toasterOutOfBread) {
+ LOG.info("We're out of toast but we can make eggs");
+ return RpcResultBuilder.success(EMPTY_MAKE_OUTPUT)
+ .withWarning(ErrorType.APPLICATION, ErrorTag.PARTIAL_OPERATION,
+ "Toaster is out of bread but we can make you eggs")
+ .buildFuture();
+ }
+
+ // Access the ToasterService to make the toast.
+ return makeToast.invoke(new MakeToastInputBuilder()
+ .setToasterDoneness(Uint32.valueOf(toastDoneness))
+ .setToasterToastType(toastType)
+ .build());
}
- /**
- * Implemented from the ToasterListener interface.
- */
@Override
- public void onToasterRestocked( ToasterRestocked notification ) {
- log.info( "ToasterRestocked notification - amountOfBread: " + notification.getAmountOfBread() );
- toasterOutOfBread = false;
+ public Boolean makeScrambledWithWheat() {
+ try {
+ // This call has to block since we must return a result to the JMX client.
+ RpcResult<Void> result = makeBreakfast(EggsType.SCRAMBLED, WheatBread.VALUE, 2).get();
+ if (result.isSuccessful()) {
+ LOG.info("makeBreakfast succeeded");
+ } else {
+ LOG.warn("makeBreakfast failed: {}", result.getErrors());
+ }
+
+ return result.isSuccessful();
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.warn("An error occurred while maing breakfast", e);
+ }
+
+ return Boolean.FALSE;
}
}
Code Review / controller.git / blobdiff