*/
package org.opendaylight.controller.sample.toaster.provider;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
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.TransactionStatus;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
-import org.opendaylight.controller.sal.common.util.RpcErrors;
-import org.opendaylight.controller.sal.common.util.Rpcs;
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.RestockToasterInput;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcError.ErrorSeverity;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
executor.shutdown();
if (dataProvider != null) {
- WriteTransaction t = dataProvider.newWriteOnlyTransaction();
- t.delete(LogicalDatastoreType.OPERATIONAL,TOASTER_IID);
- ListenableFuture<RpcResult<TransactionStatus>> future = t.commit();
- Futures.addCallback( future, new FutureCallback<RpcResult<TransactionStatus>>() {
+ WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
+ tx.delete(LogicalDatastoreType.OPERATIONAL,TOASTER_IID);
+ Futures.addCallback( tx.submit(), new FutureCallback<Void>() {
@Override
- public void onSuccess( RpcResult<TransactionStatus> result ) {
+ public void onSuccess( final Void result ) {
LOG.debug( "Delete Toaster commit result: " + result );
}
@Override
- public void onFailure( Throwable t ) {
+ public void onFailure( final Throwable t ) {
LOG.error( "Delete of Toaster failed", t );
}
} );
}
}
- private Toaster buildToaster( ToasterStatus status ) {
+ private Toaster buildToaster( final ToasterStatus status ) {
// note - we are simulating a device whose manufacture and model are
// fixed (embedded) into the hardware.
{
darknessFactor.set( darkness );
}
+
+ LOG.info("onDataChanged - new Toaster config: {}", toaster);
}
}
}
// Always return success from the cancel toast call.
- return Futures.immediateFuture( Rpcs.<Void> getRpcResult( true,
- Collections.<RpcError>emptyList() ) );
+ return Futures.immediateFuture( RpcResultBuilder.<Void> success().build() );
}
/**
final SettableFuture<RpcResult<Void>> futureResult = SettableFuture.create();
- checkStatusAndMakeToast( input, futureResult );
+ checkStatusAndMakeToast( input, futureResult, 2 );
return futureResult;
}
- private List<RpcError> makeToasterOutOfBreadError() {
- return Arrays.asList(
- RpcErrors.getRpcError( "out-of-stock", "resource-denied", null, null,
- "Toaster is out of bread",
- ErrorType.APPLICATION, null ) );
+ private RpcError makeToasterOutOfBreadError() {
+ return RpcResultBuilder.newError( ErrorType.APPLICATION, "resource-denied",
+ "Toaster is out of bread", "out-of-stock", null, null );
}
- private List<RpcError> makeToasterInUseError() {
- return Arrays.asList(
- RpcErrors.getRpcError( "", "in-use", null, ErrorSeverity.WARNING,
- "Toaster is busy", ErrorType.APPLICATION, null ) );
+ private RpcError makeToasterInUseError() {
+ return RpcResultBuilder.newWarning( ErrorType.APPLICATION, "in-use",
+ "Toaster is busy", null, null, null );
}
private void checkStatusAndMakeToast( final MakeToastInput input,
- final SettableFuture<RpcResult<Void>> futureResult ) {
+ final SettableFuture<RpcResult<Void>> 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 = dataProvider.newReadWriteTransaction();
- ListenableFuture<Optional<DataObject>> readFuture =
+ ListenableFuture<Optional<Toaster>> readFuture =
tx.read( LogicalDatastoreType.OPERATIONAL, TOASTER_IID );
- final ListenableFuture<RpcResult<TransactionStatus>> commitFuture =
- Futures.transform( readFuture, new AsyncFunction<Optional<DataObject>,
- RpcResult<TransactionStatus>>() {
+ final ListenableFuture<Void> commitFuture =
+ Futures.transform( readFuture, new AsyncFunction<Optional<Toaster>,Void>() {
@Override
- public ListenableFuture<RpcResult<TransactionStatus>> apply(
- Optional<DataObject> toasterData ) throws Exception {
+ public ListenableFuture<Void> apply(
+ final Optional<Toaster> toasterData ) throws Exception {
ToasterStatus toasterStatus = ToasterStatus.Up;
if( toasterData.isPresent() ) {
- toasterStatus = ((Toaster)toasterData.get()).getToasterStatus();
+ toasterStatus = toasterData.get().getToasterStatus();
}
LOG.debug( "Read toaster status: {}", toasterStatus );
if( outOfBread() ) {
LOG.debug( "Toaster is out of bread" );
- return Futures.immediateFuture( Rpcs.<TransactionStatus>getRpcResult(
- false, null, makeToasterOutOfBreadError() ) );
+ return Futures.immediateFailedCheckedFuture(
+ new TransactionCommitFailedException( "", makeToasterOutOfBreadError() ) );
}
LOG.debug( "Setting Toaster status to Down" );
// concurrent toasting.
tx.put( LogicalDatastoreType.OPERATIONAL, TOASTER_IID,
buildToaster( ToasterStatus.Down ) );
- return tx.commit();
+ return tx.submit();
}
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.immediateFuture( Rpcs.<TransactionStatus>getRpcResult(
- false, null, makeToasterInUseError() ) );
+ return Futures.immediateFailedCheckedFuture(
+ new TransactionCommitFailedException( "", makeToasterInUseError() ) );
}
} );
- Futures.addCallback( commitFuture, new FutureCallback<RpcResult<TransactionStatus>>() {
+ Futures.addCallback( commitFuture, new FutureCallback<Void>() {
@Override
- public void onSuccess( RpcResult<TransactionStatus> result ) {
- if( result.getResult() == TransactionStatus.COMMITED ) {
-
- // OK to make toast
- currentMakeToastTask.set( executor.submit(
- new MakeToastTask( input, futureResult ) ) );
- } else {
-
- LOG.debug( "Setting error result" );
-
- // Either the transaction failed to commit for some reason or, more likely,
- // the read above returned ToasterStatus.Down. Either way, fail the
- // futureResult and copy the errors.
-
- futureResult.set( Rpcs.<Void>getRpcResult( false, null, result.getErrors() ) );
- }
+ public void onSuccess( final Void result ) {
+ // OK to make toast
+ currentMakeToastTask.set( executor.submit( new MakeToastTask( input, futureResult ) ) );
}
@Override
- public void onFailure( Throwable ex ) {
+ public void onFailure( final Throwable ex ) {
if( ex instanceof OptimisticLockFailedException ) {
// Another thread is likely trying to make toast simultaneously and updated the
// status before us. Try reading the status again - if another make toast is
// now in progress, we should get ToasterStatus.Down and fail.
- LOG.debug( "Got OptimisticLockFailedException - trying again" );
+ if( ( tries - 1 ) > 0 ) {
+ LOG.debug( "Got OptimisticLockFailedException - trying again" );
- checkStatusAndMakeToast( input, futureResult );
+ checkStatusAndMakeToast( input, futureResult, tries - 1 );
+ }
+ else {
+ futureResult.set( RpcResultBuilder.<Void> failed()
+ .withError( ErrorType.APPLICATION, ex.getMessage() ).build() );
+ }
} else {
- LOG.error( "Failed to commit Toaster status", ex );
+ LOG.debug( "Failed to commit Toaster status", ex );
- // Got some unexpected error so fail.
- futureResult.set( Rpcs.<Void> getRpcResult( false, null, Arrays.asList(
- RpcErrors.getRpcError( null, null, null, ErrorSeverity.ERROR,
- ex.getMessage(),
- ErrorType.APPLICATION, ex ) ) ) );
+ // Probably already making toast.
+ futureResult.set( RpcResultBuilder.<Void> failed()
+ .withRpcErrors( ((TransactionCommitFailedException)ex).getErrorList() )
+ .build() );
}
}
} );
notificationProvider.publish( reStockedNotification );
}
- return Futures.immediateFuture(Rpcs.<Void> getRpcResult(true, Collections.<RpcError>emptyList()));
+ return Futures.immediateFuture( RpcResultBuilder.<Void> success().build() );
}
/**
WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
tx.put( LogicalDatastoreType.OPERATIONAL,TOASTER_IID, buildToaster( ToasterStatus.Up ) );
- ListenableFuture<RpcResult<TransactionStatus>> commitFuture = tx.commit();
-
- Futures.addCallback( commitFuture, new FutureCallback<RpcResult<TransactionStatus>>() {
+ Futures.addCallback( tx.submit(), new FutureCallback<Void>() {
@Override
- public void onSuccess( RpcResult<TransactionStatus> result ) {
- if( result.getResult() != TransactionStatus.COMMITED ) {
- LOG.error( "Failed to update toaster status: " + result.getErrors() );
- }
-
- notifyCallback( result.getResult() == TransactionStatus.COMMITED );
+ public void onSuccess( final Void result ) {
+ notifyCallback( true );
}
@Override
- public void onFailure( Throwable t ) {
+ public void onFailure( final Throwable t ) {
// We shouldn't get an OptimisticLockFailedException (or any ex) as no
// other component should be updating the operational state.
LOG.error( "Failed to update toaster status", t );
notifyCallback( false );
}
- void notifyCallback( boolean result ) {
+ void notifyCallback( final boolean result ) {
if( resultCallback != null ) {
resultCallback.apply( result );
}
setToasterStatusUp( new Function<Boolean,Void>() {
@Override
- public Void apply( Boolean result ) {
+ public Void apply( final Boolean result ) {
currentMakeToastTask.set( null );
LOG.debug("Toast done");
- futureResult.set( Rpcs.<Void>getRpcResult( true, null,
- Collections.<RpcError>emptyList() ) );
+ futureResult.set( RpcResultBuilder.<Void>success().build() );
return null;
}
Code Review / controller.git / blobdiff