| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.nifi.registry.client; |
| |
| import org.apache.nifi.registry.extension.component.ExtensionFilterParams; |
| import org.apache.nifi.registry.extension.component.ExtensionMetadataContainer; |
| import org.apache.nifi.registry.extension.component.TagCount; |
| import org.apache.nifi.registry.extension.component.manifest.ProvidedServiceAPI; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * Client for obtaining information about extensions. |
| */ |
| public interface ExtensionClient { |
| |
| /** |
| * Retrieves extensions according to the given filter params. |
| * |
| * @param filterParams the filter params |
| * @return the metadata for the extensions matching the filter params |
| * |
| * @throws IOException if an I/O error occurs |
| * @throws NiFiRegistryException if an non I/O error occurs |
| */ |
| ExtensionMetadataContainer findExtensions(ExtensionFilterParams filterParams) throws IOException, NiFiRegistryException; |
| |
| /** |
| * Retrieves extensions that provide the given service API. |
| * |
| * @param providedServiceAPI the service API |
| * @return the metadata for extensions that provided the service API |
| * |
| * @throws IOException if an I/O error occurs |
| * @throws NiFiRegistryException if an non I/O error occurs |
| */ |
| ExtensionMetadataContainer findExtensions(ProvidedServiceAPI providedServiceAPI) throws IOException, NiFiRegistryException; |
| |
| /** |
| * @return all of the tags known the registry with their corresponding counts |
| * |
| * @throws IOException if an I/O error occurs |
| * @throws NiFiRegistryException if an non I/O error occurs |
| */ |
| List<TagCount> getTagCounts() throws IOException, NiFiRegistryException; |
| |
| } |