diff options
Diffstat (limited to 'vnfs/vLBMS/apis/vlb-business-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/vlb/ElementCrudService.java')
-rw-r--r-- | vnfs/vLBMS/apis/vlb-business-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/vlb/ElementCrudService.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/vnfs/vLBMS/apis/vlb-business-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/vlb/ElementCrudService.java b/vnfs/vLBMS/apis/vlb-business-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/vlb/ElementCrudService.java new file mode 100644 index 00000000..d17c6c18 --- /dev/null +++ b/vnfs/vLBMS/apis/vlb-business-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/vlb/ElementCrudService.java @@ -0,0 +1,114 @@ +/* + * 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 org.onap.vnf.vlb; + +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.write.WriteFailedException; +import java.util.Collections; +import java.util.List; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vlb.business.vnf.onap.plugin.rev160918.VlbBusinessVnfOnapPluginState; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vlb.business.vnf.onap.plugin.rev160918.vlb.business.vnf.onap.plugin.params.VdnsInstances; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vlb.business.vnf.onap.plugin.rev160918.vlb.business.vnf.onap.plugin.params.vdns.instances.VdnsInstance; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vlb.business.vnf.onap.plugin.rev160918.vlb.business.vnf.onap.plugin.params.vdns.instances.VdnsInstanceBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vlb.business.vnf.onap.plugin.rev160918.vlb.business.vnf.onap.plugin.params.vdns.instances.VdnsInstanceKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Simple example of class handling Crud operations for plugin. + * <p/> + * No real handling, serves just as an illustration. + * + * TODO update javadoc + */ +final class ElementCrudService implements CrudService<VdnsInstance> { + + private static final Logger LOG = LoggerFactory.getLogger(ElementCrudService.class); + + @Override + public void writeData(@Nonnull final InstanceIdentifier<VdnsInstance> identifier, @Nonnull final VdnsInstance data) + throws WriteFailedException { + if (data != null) { + + // identifier.firstKeyOf(SomeClassUpperInHierarchy.class) can be used to identify + // relationships such as to which parent these data are related to + + // Performs any logic needed for persisting such data + LOG.info("Writing path[{}] / data [{}]", identifier, data); + } else { + throw new WriteFailedException.CreateFailedException(identifier, data, + new NullPointerException("Provided data are null")); + } + } + + @Override + public void deleteData(@Nonnull final InstanceIdentifier<VdnsInstance> identifier, @Nonnull final VdnsInstance data) + throws WriteFailedException { + if (data != null) { + + // identifier.firstKeyOf(SomeClassUpperInHierarchy.class) can be used to identify + // relationships such as to which parent these data are related to + + // Performs any logic needed for persisting such data + LOG.info("Removing path[{}] / data [{}]", identifier, data); + } else { + throw new WriteFailedException.DeleteFailedException(identifier, + new NullPointerException("Provided data are null")); + } + } + + @Override + public void updateData(@Nonnull final InstanceIdentifier<VdnsInstance> identifier, @Nonnull final VdnsInstance dataOld, + @Nonnull final VdnsInstance dataNew) throws WriteFailedException { + if (dataOld != null && dataNew != null) { + + // identifier.firstKeyOf(SomeClassUpperInHierarchy.class) can be used to identify + // relationships such as to which parent these data are related to + + // Performs any logic needed for persisting such data + LOG.info("Update path[{}] from [{}] to [{}]", identifier, dataOld, dataNew); + } else { + throw new WriteFailedException.DeleteFailedException(identifier, + new NullPointerException("Provided data are null")); + } + } + + @Override + public VdnsInstance readSpecific(@Nonnull final InstanceIdentifier<VdnsInstance> identifier) throws ReadFailedException { + + // read key specified in path identifier + final VdnsInstanceKey key = identifier.firstKeyOf(VdnsInstance.class); + + // load data by this key + // *Key class will always contain key of entity, in this case long value + + return new VdnsInstanceBuilder() + .setIpAddr(key.getIpAddr()) + .setKey(key) + .setIsEnabled(true) + .build(); + } + + @Override + public List<VdnsInstance> readAll() throws ReadFailedException { + // read all data under parent node,in this case {@link ModuleState} + return Collections.singletonList( + readSpecific(InstanceIdentifier.create(VlbBusinessVnfOnapPluginState.class).child(VdnsInstances.class).child(VdnsInstance.class, new VdnsInstanceKey("")))); + } +} |