| /* |
| * 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.lucene.util.bkd; |
| |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| |
| /** Appends many points, and then at the end provides a {@link PointReader} to iterate |
| * those points. This abstracts away whether we write to disk, or use simple arrays |
| * in heap. |
| * |
| * @lucene.internal |
| * */ |
| public interface PointWriter extends Closeable { |
| |
| /** Add a new point from the packed value and docId */ |
| void append(byte[] packedValue, int docID) throws IOException; |
| |
| /** Add a new point from a {@link PointValue} */ |
| void append(PointValue pointValue) throws IOException; |
| |
| /** Returns a {@link PointReader} iterator to step through all previously added points */ |
| PointReader getReader(long startPoint, long length) throws IOException; |
| |
| /** Return the number of points in this writer */ |
| long count(); |
| |
| /** Removes any temp files behind this writer */ |
| void destroy() throws IOException; |
| |
| } |
| |