jerryshao commented on code in PR #12565: URL: https://github.com/apache/gravitino/pull/12565#discussion_r3860903537
########## core/src/main/java/org/apache/gravitino/catalog/SemanticModelOperationDispatcher.java: ########## @@ -0,0 +1,135 @@ +/* + * 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.gravitino.catalog; + +import com.google.common.base.Preconditions; +import java.util.Map; +import javax.annotation.Nullable; +import org.apache.gravitino.Catalog; +import org.apache.gravitino.EntityStore; +import org.apache.gravitino.NameIdentifier; +import org.apache.gravitino.Namespace; +import org.apache.gravitino.exceptions.IllegalSemanticModelException; +import org.apache.gravitino.exceptions.NoSuchSchemaException; +import org.apache.gravitino.exceptions.NoSuchSemanticModelException; +import org.apache.gravitino.exceptions.SemanticModelAlreadyExistsException; +import org.apache.gravitino.secret.SecretManager; +import org.apache.gravitino.semantic.SemanticModel; +import org.apache.gravitino.semantic.SemanticModelChange; +import org.apache.gravitino.semantic.SemanticModelDefinition; +import org.apache.gravitino.storage.IdGenerator; + +/** Dispatches always-managed Semantic Model operations to Gravitino's EntityStore. */ +public class SemanticModelOperationDispatcher extends OperationDispatcher + implements SemanticModelDispatcher { + + private final CatalogManager catalogManager; + private final SchemaDispatcher schemaDispatcher; + private final ManagedSemanticModelOperations managedOperations; + + /** + * Creates a Semantic Model operation dispatcher. + * + * @param catalogManager The catalog manager. + * @param schemaDispatcher The schema operation dispatcher used for parent validation. + * @param store The EntityStore used for Semantic Model persistence. + * @param idGenerator The stable entity ID generator. + * @param secretManager The secret manager required by the operation dispatcher base class. + */ + public SemanticModelOperationDispatcher( + CatalogManager catalogManager, + SchemaDispatcher schemaDispatcher, + EntityStore store, + IdGenerator idGenerator, + SecretManager secretManager) { + super(catalogManager, store, idGenerator, secretManager); + this.catalogManager = catalogManager; + this.schemaDispatcher = schemaDispatcher; + this.managedOperations = new ManagedSemanticModelOperations(store, idGenerator); + } + + @Override + public NameIdentifier[] listSemanticModels(Namespace namespace) throws NoSuchSchemaException { + checkRelationalCatalog(namespace); + NameIdentifier schemaIdent = NameIdentifier.of(namespace.levels()); + schemaDispatcher.loadSchema(schemaIdent); + return managedOperations.listSemanticModels(namespace); + } + + @Override + public SemanticModel loadSemanticModel(NameIdentifier ident) throws NoSuchSemanticModelException { + checkRelationalCatalog(ident.namespace()); + if (!schemaDispatcher.schemaExists(schemaIdentifier(ident))) { + throw new NoSuchSemanticModelException("Semantic Model %s does not exist", ident); + } + return managedOperations.loadSemanticModel(ident); + } + + @Override + public SemanticModel createSemanticModel( + NameIdentifier ident, + @Nullable String comment, + SemanticModelDefinition definition, + Map<String, String> properties) + throws NoSuchSchemaException, SemanticModelAlreadyExistsException, + IllegalSemanticModelException { + Preconditions.checkArgument(definition != null, "Definition must not be null"); + Preconditions.checkArgument(properties != null, "Properties must not be null"); + checkRelationalCatalog(ident.namespace()); + NameIdentifier schemaIdent = schemaIdentifier(ident); + schemaDispatcher.loadSchema(schemaIdent); Review Comment: Why do we use `loadSchema`, not `schemaExists` 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
