| /* |
| * 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.iceberg.data; |
| |
| import java.io.IOException; |
| import org.apache.iceberg.CombinedScanTask; |
| import org.apache.iceberg.TableScan; |
| import org.apache.iceberg.io.CloseableGroup; |
| import org.apache.iceberg.io.CloseableIterable; |
| import org.apache.iceberg.io.CloseableIterator; |
| |
| class TableScanIterable extends CloseableGroup implements CloseableIterable<Record> { |
| private final GenericReader reader; |
| private final CloseableIterable<CombinedScanTask> tasks; |
| |
| TableScanIterable(TableScan scan, boolean reuseContainers) { |
| this.reader = new GenericReader(scan, reuseContainers); |
| // start planning tasks in the background |
| this.tasks = scan.planTasks(); |
| } |
| |
| @Override |
| public CloseableIterator<Record> iterator() { |
| CloseableIterator<Record> iter = reader.open(tasks); |
| addCloseable(iter); |
| return iter; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| tasks.close(); // close manifests from scan planning |
| super.close(); // close data files |
| } |
| } |