xuefuz commented on a change in pull request #8589: [FLINK-12677][hive][sql-client] Add descriptor, validator, and factory for HiveCatalog URL: https://github.com/apache/flink/pull/8589#discussion_r291392424
########## File path: flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/catalog/hive/factories/HiveCatalogFactory.java ########## @@ -0,0 +1,93 @@ +/* + * 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.flink.table.catalog.hive.factories; + +import org.apache.flink.annotation.VisibleForTesting; +import org.apache.flink.table.catalog.Catalog; +import org.apache.flink.table.catalog.hive.HiveCatalog; +import org.apache.flink.table.catalog.hive.descriptors.HiveCatalogValidator; +import org.apache.flink.table.descriptors.DescriptorProperties; +import org.apache.flink.table.factories.CatalogFactory; + +import org.apache.hadoop.hive.conf.HiveConf; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; + +import static org.apache.flink.table.catalog.hive.descriptors.HiveCatalogValidator.CATALOG_HIVE_SITE_PATH; +import static org.apache.flink.table.catalog.hive.descriptors.HiveCatalogValidator.CATALOG_TYPE_VALUE_HIVE; +import static org.apache.flink.table.descriptors.CatalogDescriptorValidator.CATALOG_DEFAULT_DATABASE; +import static org.apache.flink.table.descriptors.CatalogDescriptorValidator.CATALOG_PROPERTY_VERSION; +import static org.apache.flink.table.descriptors.CatalogDescriptorValidator.CATALOG_TYPE; + +/** + * Catalog factory for {@link HiveCatalog}. + */ +public class HiveCatalogFactory implements CatalogFactory { + + @Override + public Map<String, String> requiredContext() { + Map<String, String> context = new HashMap<>(); + context.put(CATALOG_TYPE, CATALOG_TYPE_VALUE_HIVE); // hive + context.put(CATALOG_PROPERTY_VERSION, "1"); // backwards compatibility + return context; + } + + @Override + public List<String> supportedProperties() { + List<String> properties = new ArrayList<>(); + + // default database + properties.add(CATALOG_DEFAULT_DATABASE); + + properties.add(CATALOG_HIVE_SITE_PATH); + + return properties; + } + + @Override + public Catalog createCatalog(String name, Map<String, String> properties) { + final DescriptorProperties descriptorProperties = getValidatedProperties(properties); + + final String defaultDatabase = + descriptorProperties.getOptionalString(CATALOG_DEFAULT_DATABASE) + .orElse(HiveCatalog.DEFAULT_DB); + + final Optional<String> hiveSitePath = descriptorProperties.getOptionalString(CATALOG_HIVE_SITE_PATH); + + return new HiveCatalog(name, defaultDatabase, getHiveConf(hiveSitePath.orElse(null))); + } + + @VisibleForTesting + protected HiveConf getHiveConf(String hiveSitePath) { Review comment: I'm wondering where we need this method here. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
