2 * Copyright (c) 2016 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package io.fd.honeycomb.samples.interfaces.mapping.config;
19 import io.fd.honeycomb.samples.interfaces.mapping.LowerLayerAccess;
20 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
21 import io.fd.honeycomb.translate.write.WriteContext;
22 import io.fd.honeycomb.translate.write.WriteFailedException;
23 import javax.annotation.Nonnull;
24 import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.Interface;
25 import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.InterfaceKey;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
31 * This is a customizer responsible for writing(updating and also deleting) Interface config data
33 public class InterfaceWriterCustomizer implements ListWriterCustomizer<Interface, InterfaceKey> {
35 private static final Logger LOG = LoggerFactory.getLogger(InterfaceWriterCustomizer.class);
37 private final LowerLayerAccess access;
39 public InterfaceWriterCustomizer(final LowerLayerAccess access) {
44 public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
45 @Nonnull final Interface dataAfter, @Nonnull final WriteContext writeContext)
46 throws WriteFailedException {
48 // Context can be used just like the context in ReadCustomizer see InterfaceReaderCustomizer
49 // + it also provides a window into the entire configuration tree before current transaction and during current transaction
50 // just in case, some additional data is necessary here
51 access.writeInterface(id, dataAfter, writeContext);
52 } catch (Exception e) {
53 throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
58 public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
59 @Nonnull final Interface dataBefore, @Nonnull final Interface dataAfter,
60 @Nonnull final WriteContext writeContext) throws WriteFailedException {
61 // There are cases when lower layer does not support all of the CRUD operations, in which case, the handler
62 // should look like this (This will reject configuration from upper layers, returning error/rpc-error):
63 throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter,
64 new UnsupportedOperationException("Unable to update interface data, unsupported at lower layer"));
68 public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
69 @Nonnull final Interface dataBefore, @Nonnull final WriteContext writeContext)
70 throws WriteFailedException {
72 // Context can be used just like the context in ReadCustomizer see InterfaceReaderCustomizer
73 // + it also provides a window into the entire configuration tree before current transaction and during current transaction
74 // just in case, some additional data is necessary here
75 access.deleteInterface(id, dataBefore, writeContext);
76 } catch (Exception e) {
77 throw new WriteFailedException.DeleteFailedException(id, e);