jerryshao commented on code in PR #6844: URL: https://github.com/apache/gravitino/pull/6844#discussion_r2032287234
########## core/src/main/java/org/apache/gravitino/hook/ModelHookDispatcher.java: ########## @@ -0,0 +1,176 @@ +/* + * 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.hook; + +import java.util.Map; +import org.apache.gravitino.Entity; +import org.apache.gravitino.GravitinoEnv; +import org.apache.gravitino.NameIdentifier; +import org.apache.gravitino.Namespace; +import org.apache.gravitino.authorization.AuthorizationUtils; +import org.apache.gravitino.authorization.Owner; +import org.apache.gravitino.authorization.OwnerManager; +import org.apache.gravitino.catalog.ModelDispatcher; +import org.apache.gravitino.exceptions.ModelAlreadyExistsException; +import org.apache.gravitino.exceptions.ModelVersionAliasesAlreadyExistException; +import org.apache.gravitino.exceptions.NoSuchModelException; +import org.apache.gravitino.exceptions.NoSuchModelVersionException; +import org.apache.gravitino.exceptions.NoSuchSchemaException; +import org.apache.gravitino.model.Model; +import org.apache.gravitino.model.ModelChange; +import org.apache.gravitino.model.ModelVersion; +import org.apache.gravitino.utils.NameIdentifierUtil; +import org.apache.gravitino.utils.PrincipalUtils; + +/** + * {@code ModelHookDispatcher} is a decorator for {@link ModelDispatcher} that not only delegates + * model operations to the underlying model dispatcher but also executes some hook operations before + * or after the underlying operations. + */ +public class ModelHookDispatcher implements ModelDispatcher { + + private final ModelDispatcher dispatcher; + + public ModelHookDispatcher(ModelDispatcher dispatcher) { + this.dispatcher = dispatcher; + } + + @Override + public NameIdentifier[] listModels(Namespace namespace) throws NoSuchSchemaException { + return dispatcher.listModels(namespace); + } + + @Override + public Model getModel(NameIdentifier ident) throws NoSuchModelException { + return dispatcher.getModel(ident); + } + + @Override + public Model registerModel(NameIdentifier ident, String comment, Map<String, String> properties) + throws NoSuchSchemaException, ModelAlreadyExistsException { + // Check whether the current user exists or not + AuthorizationUtils.checkCurrentUser( + ident.namespace().level(0), PrincipalUtils.getCurrentUserName()); + + Model model = dispatcher.registerModel(ident, comment, properties); + + // Set the creator as owner of the model. + OwnerManager ownerManager = GravitinoEnv.getInstance().ownerManager(); + if (ownerManager != null) { + ownerManager.setOwner( + ident.namespace().level(0), + NameIdentifierUtil.toMetadataObject(ident, Entity.EntityType.MODEL), + PrincipalUtils.getCurrentUserName(), + Owner.Type.USER); + } + return model; + } + + @Override + public boolean deleteModel(NameIdentifier ident) { + return dispatcher.deleteModel(ident); + } + + @Override + public int[] listModelVersions(NameIdentifier ident) throws NoSuchModelException { + return dispatcher.listModelVersions(ident); + } + + @Override + public ModelVersion getModelVersion(NameIdentifier ident, int version) + throws NoSuchModelVersionException { + return dispatcher.getModelVersion(ident, version); + } + + @Override + public ModelVersion getModelVersion(NameIdentifier ident, String alias) + throws NoSuchModelVersionException { + return dispatcher.getModelVersion(ident, alias); + } + + @Override + public void linkModelVersion( + NameIdentifier ident, + String uri, + String[] aliases, + String comment, + Map<String, String> properties) + throws NoSuchModelException, ModelVersionAliasesAlreadyExistException { + dispatcher.linkModelVersion(ident, uri, aliases, comment, properties); + } + + @Override + public boolean deleteModelVersion(NameIdentifier ident, int version) { + return dispatcher.deleteModelVersion(ident, version); + } + + @Override + public boolean deleteModelVersion(NameIdentifier ident, String alias) { + return dispatcher.deleteModelVersion(ident, alias); + } + + @Override + public boolean modelExists(NameIdentifier ident) { + return dispatcher.modelExists(ident); + } + + @Override + public Model registerModel( + NameIdentifier ident, + String uri, + String[] aliases, + String comment, + Map<String, String> properties) + throws NoSuchSchemaException, ModelAlreadyExistsException, + ModelVersionAliasesAlreadyExistException { + // Check whether the current user exists or not + AuthorizationUtils.checkCurrentUser( + ident.namespace().level(0), PrincipalUtils.getCurrentUserName()); + + Model model = dispatcher.registerModel(ident, uri, aliases, comment, properties); + + // Set the creator as owner of the model. + OwnerManager ownerManager = GravitinoEnv.getInstance().ownerManager(); + if (ownerManager != null) { + ownerManager.setOwner( + ident.name(), + NameIdentifierUtil.toMetadataObject(ident, Entity.EntityType.MODEL), + PrincipalUtils.getCurrentUserName(), + Owner.Type.USER); + } + return model; + } + + @Override + public boolean modelVersionExists(NameIdentifier ident, int version) { + return dispatcher.modelVersionExists(ident, version); + } + + @Override + public boolean modelVersionExists(NameIdentifier ident, String alias) { + return dispatcher.modelVersionExists(ident, alias); + } + + @Override + public Model alterModel(NameIdentifier ident, ModelChange... changes) + throws NoSuchModelException, IllegalArgumentException { + return dispatcher.alterModel(ident, changes); + } +} Review Comment: At least, we should delete the owner when model is deleted, right? -- This is an automated message from the Apache Git Service. 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