Github user kevdoran commented on a diff in the pull request: https://github.com/apache/nifi-registry/pull/148#discussion_r236808042 --- Diff: nifi-registry-core/nifi-registry-data-model/src/main/java/org/apache/nifi/registry/extension/ExtensionBundleVersionMetadata.java --- @@ -0,0 +1,161 @@ +/* + * 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.extension; + +import io.swagger.annotations.ApiModel; +import io.swagger.annotations.ApiModelProperty; +import org.apache.nifi.registry.link.LinkableEntity; + +import javax.validation.constraints.Min; +import javax.validation.constraints.NotBlank; +import javax.xml.bind.annotation.XmlRootElement; +import java.util.Objects; + +@ApiModel +@XmlRootElement +public class ExtensionBundleVersionMetadata extends LinkableEntity implements Comparable<ExtensionBundleVersionMetadata> { + + @NotBlank + private String id; + + @NotBlank + private String extensionBundleId; + + @NotBlank + private String bucketId; + + @NotBlank + private String version; + + private ExtensionBundleVersionDependency dependency; + + @Min(1) + private long timestamp; + + @NotBlank + private String author; + + private String description; + + @NotBlank + private String sha256Hex; --- End diff -- This is a minor nitpick, but for the JSON field name here, I would have a slight preference for just using `sha256` as the field name as that is consistent with the `/extensions/repo/{bucket}/{group}/{artifact}/{version}/sha256` endpoint (and the field description in the REST API documentation clarifies that it is the hex digest).
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