| /* |
| * 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.orc.impl.reader.tree; |
| |
| import org.apache.hadoop.hive.ql.exec.vector.ColumnVector; |
| import org.apache.orc.OrcProto; |
| import org.apache.orc.impl.PositionProvider; |
| import org.apache.orc.impl.reader.StripePlanner; |
| |
| import java.io.IOException; |
| |
| public interface TypeReader { |
| void checkEncoding(OrcProto.ColumnEncoding encoding) throws IOException; |
| |
| void startStripe(StripePlanner planner) throws IOException; |
| |
| void seek(PositionProvider[] index) throws IOException; |
| |
| void seek(PositionProvider index) throws IOException; |
| |
| void skipRows(long rows) throws IOException; |
| |
| void nextVector(ColumnVector previous, |
| boolean[] isNull, |
| int batchSize) throws IOException; |
| |
| int getColumnId(); |
| } |