rdblue commented on a change in pull request #4037: URL: https://github.com/apache/iceberg/pull/4037#discussion_r808453374
########## File path: core/src/main/java/org/apache/iceberg/rest/requests/CreateNamespaceRequest.java ########## @@ -0,0 +1,123 @@ +/* + * 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.iceberg.rest.requests; + +import java.util.Map; +import java.util.Objects; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.relocated.com.google.common.base.MoreObjects; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; + +/** + * A REST request to create a namespace, with an optional set of properties. + * The server might also add properties, such as `last_modified_time` etc. + */ +public class CreateNamespaceRequest { + + private Namespace namespace; + private Map<String, String> properties; + + public CreateNamespaceRequest() { + // Needed for Jackson Deserialization. + } + + private CreateNamespaceRequest(Namespace namespace, Map<String, String> properties) { + this.namespace = namespace; + this.properties = properties; + validate(); + } + + /** + * This function needs to be called after reading in JSON from another source, to ensure + * that null values are assigned to their respective defaults where needed, wrap collections + * in their Immutable variants, and that required fields are correct. + * @return normalized version of this {@link CreateNamespaceRequest} + */ + CreateNamespaceRequest validate() { + this.properties = properties == null ? ImmutableMap.of() : ImmutableMap.copyOf(properties); + ValidationException.check(namespace != null && !namespace.isEmpty(), + "Cannot build a request to create a namespace without specifying the namespace"); + return this; + } + + public Namespace namespace() { + return namespace; + } + + public Map<String, String> properties() { + return properties; Review comment: Default properties here rather than modifying the object. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
