| /* |
| * 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.tajo.plan; |
| |
| import com.google.common.base.Optional; |
| import org.apache.tajo.exception.UnsupportedException; |
| import org.apache.tajo.plan.expr.EvalNode; |
| |
| import javax.annotation.Nullable; |
| import java.net.URI; |
| |
| /** |
| * TablespaceManager interface for loosely coupled usages |
| */ |
| public interface StorageService { |
| |
| /** |
| * Get Table URI |
| * |
| * @param spaceName Tablespace name. If it is null, the default space will be used |
| * @param databaseName Database name |
| * @param tableName Table name |
| * @return Table URI |
| */ |
| URI getTableURI(@Nullable String spaceName, String databaseName, String tableName); |
| |
| long getTableVolumn(URI uri, Optional<EvalNode> filter) throws UnsupportedException; |
| } |