diff options
Diffstat (limited to 'vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java')
-rw-r--r-- | vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java new file mode 100644 index 00000000..16edd1bc --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java @@ -0,0 +1,54 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi.init; + +import io.fd.honeycomb.data.init.AbstractDataTreeConverter; +import com.google.inject.Inject; +import com.google.inject.name.Named; +import javax.annotation.Nonnull; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCount; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountState; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Initialize configuration data based on operational data. + * <p/> + * Very useful when a plugin is initiated but the underlying layer already contains some operation state. + * Deriving the configuration from existing operational state enables reconciliation in case when Honeycomb's persistence + * is not available to do the work for us. + */ +public final class ConfigDataInitializer extends AbstractDataTreeConverter<StreamCountState, StreamCount> { + + @Inject + public ConfigDataInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) { + super(bindingDataBroker, InstanceIdentifier.create(StreamCountState.class), InstanceIdentifier.create(StreamCount.class)); + } + + @Override + public StreamCount convert(final StreamCountState operationalData) { + // Transfer all the operational data into configuration + return new StreamCountBuilder() + .setStreams(operationalData.getStreams()) + .build(); + } +} |