diff options
Diffstat (limited to 'infra/northbound/bgp/src/main/java/io/fd/honeycomb/infra/bgp/neighbors/NetworkInstanceCustomizer.java')
-rw-r--r-- | infra/northbound/bgp/src/main/java/io/fd/honeycomb/infra/bgp/neighbors/NetworkInstanceCustomizer.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/infra/northbound/bgp/src/main/java/io/fd/honeycomb/infra/bgp/neighbors/NetworkInstanceCustomizer.java b/infra/northbound/bgp/src/main/java/io/fd/honeycomb/infra/bgp/neighbors/NetworkInstanceCustomizer.java new file mode 100644 index 000000000..1505537ab --- /dev/null +++ b/infra/northbound/bgp/src/main/java/io/fd/honeycomb/infra/bgp/neighbors/NetworkInstanceCustomizer.java @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2017 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.honeycomb.infra.bgp.neighbors; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; + +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.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.NetworkInstance; +import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.NetworkInstanceKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Dummy customizer for handling network-instance node required by BGP peer configuration (HC implements the same model + * as ODL BGP). + * + * Ensures that at most one network instance is created. + * + * Update and delete is not supported, because HC does not support runtime BGP server reconfiguration. + */ +final class NetworkInstanceCustomizer implements ListWriterCustomizer<NetworkInstance, NetworkInstanceKey> { + private final String networkInstanceName; + + NetworkInstanceCustomizer(@Nonnull final String networkInstanceName) { + this.networkInstanceName = checkNotNull(networkInstanceName, "network instance name should not be null"); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NetworkInstance> id, + @Nonnull final NetworkInstance dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + final String instanceName = dataAfter.getName(); + checkArgument(networkInstanceName.equals(instanceName), + "Only single network instance named %s is supported, but %s was given", networkInstanceName, instanceName); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NetworkInstance> id, + @Nonnull final NetworkInstance dataBefore, + @Nonnull final NetworkInstance dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Network instance update is not supported")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NetworkInstance> id, + @Nonnull final NetworkInstance dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.DeleteFailedException(id, + new UnsupportedOperationException("Network instance delete is not supported")); + } +} |