+/*
+ * 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.AsyncFunction;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.JdkFutureAdapters;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.List;
import java.util.concurrent.ExecutionException;
-
-import org.opendaylight.controller.config.yang.config.kitchen_service.impl.KitchenServiceRuntimeMXBean;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+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.yang.gen.v1.http.netconfcentral.org.ns.toaster.rev091120.MakeToastInput;
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.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.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.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class KitchenServiceImpl implements KitchenService, KitchenServiceRuntimeMXBean, ToasterListener {
+public class KitchenServiceImpl extends AbstractMXBean
+ implements KitchenService, KitchenServiceRuntimeMXBean, ToasterListener {
- private static final Logger log = LoggerFactory.getLogger( KitchenServiceImpl.class );
+ private static final Logger LOG = LoggerFactory.getLogger(KitchenServiceImpl.class);
private final ToasterService toaster;
+ private final ListeningExecutorService executor = MoreExecutors.listeningDecorator(Executors.newCachedThreadPool());
+
private volatile boolean toasterOutOfBread;
public KitchenServiceImpl(ToasterService toaster) {
+ super("KitchenService", "toaster-consumer", null);
this.toaster = toaster;
}
@Override
- public boolean makeBreakfast( EggsType eggs, Class<? extends ToastType> toast, int toastDoneness ) {
+ public Future<RpcResult<Void>> makeBreakfast(EggsType eggsType, Class<? extends ToastType> toastType,
+ int toastDoneness) {
+ // Call makeToast and use JdkFutureAdapters to convert the Future to a ListenableFuture, The
+ // OpendaylightToaster impl already returns a ListenableFuture so the conversion is actually a no-op.
+
+ ListenableFuture<RpcResult<Void>> makeToastFuture = JdkFutureAdapters
+ .listenInPoolThread(makeToast(toastType, toastDoneness), executor);
+
+ ListenableFuture<RpcResult<Void>> makeEggsFuture = makeEggs(eggsType);
+
+ // Combine the 2 ListenableFutures into 1 containing a list RpcResults.
+
+ ListenableFuture<List<RpcResult<Void>>> combinedFutures = Futures
+ .allAsList(ImmutableList.of(makeToastFuture, makeEggsFuture));
- if( toasterOutOfBread )
- {
- log.info( "We're out of toast but we can make eggs" );
- return true;
+ // Then transform the RpcResults into 1.
+
+ return Futures.transform(combinedFutures,
+ (AsyncFunction<List<RpcResult<Void>>, RpcResult<Void>>) results -> {
+ boolean atLeastOneSucceeded = false;
+ Builder<RpcError> errorList = ImmutableList.builder();
+ for (RpcResult<Void> result : results) {
+ if (result.isSuccessful()) {
+ atLeastOneSucceeded = true;
+ }
+
+ if (result.getErrors() != null) {
+ errorList.addAll(result.getErrors());
+ }
+ }
+
+ return Futures.immediateFuture(RpcResultBuilder.<Void>status(atLeastOneSucceeded)
+ .withRpcErrors(errorList.build()).build());
+ });
+ }
+
+ private ListenableFuture<RpcResult<Void>> makeEggs(EggsType eggsType) {
+ return executor.submit(() -> RpcResultBuilder.<Void>success().build());
+ }
+
+ private Future<RpcResult<Void>> makeToast(Class<? extends ToastType> toastType, int toastDoneness) {
+
+ if (toasterOutOfBread) {
+ LOG.info("We're out of toast but we can make eggs");
+ return Futures.immediateFuture(RpcResultBuilder.<Void>success().withWarning(ErrorType.APPLICATION,
+ "partial-operation", "Toaster is out of bread but we can make you eggs").build());
}
// 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 );
- try {
- RpcResult<Void> result = toaster.makeToast( toastInput.build() ).get();
+ MakeToastInput toastInput = new MakeToastInputBuilder().setToasterDoneness((long) toastDoneness)
+ .setToasterToastType(toastType).build();
- if( result.isSuccessful() ) {
- log.info( "makeToast succeeded" );
+ return toaster.makeToast(toastInput);
+ }
+
+ @Override
+ 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.class, 2).get();
+ if (result.isSuccessful()) {
+ LOG.info("makeBreakfast succeeded");
} else {
- log.warn( "makeToast failed: " + result.getErrors() );
+ LOG.warn("makeBreakfast failed: " + result.getErrors());
}
return result.isSuccessful();
- } catch( InterruptedException | ExecutionException e ) {
- log.warn( "Error occurred during toast creation" );
+
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.warn("An error occurred while maing breakfast: " + e);
}
- return false;
- }
- @Override
- public Boolean makeScrambledWithWheat() {
- return makeBreakfast( EggsType.SCRAMBLED, WheatBread.class, 2 );
+ return Boolean.FALSE;
}
/**
* Implemented from the ToasterListener interface.
*/
@Override
- public void onToasterOutOfBread( ToasterOutOfBread notification ) {
- log.info( "ToasterOutOfBread notification" );
+ public void onToasterOutOfBread(ToasterOutOfBread notification) {
+ LOG.info("ToasterOutOfBread notification");
toasterOutOfBread = true;
}
* Implemented from the ToasterListener interface.
*/
@Override
- public void onToasterRestocked( ToasterRestocked notification ) {
- log.info( "ToasterRestocked notification - amountOfBread: " + notification.getAmountOfBread() );
+ public void onToasterRestocked(ToasterRestocked notification) {
+ LOG.info("ToasterRestocked notification - amountOfBread: " + notification.getAmountOfBread());
toasterOutOfBread = false;
}
}
Code Review / controller.git / blobdiff