diff options
Diffstat (limited to 'routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/RoutingInstanceCustomizer.java')
-rw-r--r-- | routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/RoutingInstanceCustomizer.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/RoutingInstanceCustomizer.java b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/RoutingInstanceCustomizer.java new file mode 100644 index 000000000..fa6885d5d --- /dev/null +++ b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/RoutingInstanceCustomizer.java @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.hc2vpp.routing.write; + +import static com.google.common.base.Preconditions.checkArgument; + +import io.fd.hc2vpp.routing.RoutingConfiguration; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev140524.routing.RoutingInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev140524.routing.RoutingInstanceKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Only ensures that requests are written under singleton instance + */ +public class RoutingInstanceCustomizer implements ListWriterCustomizer<RoutingInstance, RoutingInstanceKey> { + + private final RoutingConfiguration configuration; + + public RoutingInstanceCustomizer(@Nonnull final RoutingConfiguration configuration) { + this.configuration = configuration; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<RoutingInstance> id, + @Nonnull final RoutingInstance dataAfter, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + checkSingletonInstance(dataAfter); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<RoutingInstance> id, + @Nonnull final RoutingInstance dataBefore, + @Nonnull final RoutingInstance dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Operation not supported")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<RoutingInstance> id, + @Nonnull final RoutingInstance dataBefore, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + checkSingletonInstance(dataBefore); + } + + private void checkSingletonInstance(final RoutingInstance data) { + final String defaultRoutingInstanceName = configuration.getDefaultRoutingInstanceName(); + final String instanceName = data.getName(); + + checkArgument(defaultRoutingInstanceName.equals(instanceName), + "Attempt to write/delete data for different than default routing instance detected." + + "Vpp allows only single instance, configured with name %s, request contains name %s", + defaultRoutingInstanceName, instanceName); + } +} |