| package org.apache.solr.store.hdfs; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.store.IndexOutput; |
| |
| /** |
| * @lucene.experimental |
| */ |
| public class NullIndexOutput extends IndexOutput { |
| |
| private long pos; |
| private long length; |
| |
| @Override |
| public void close() throws IOException { |
| |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| |
| } |
| |
| @Override |
| public long getFilePointer() { |
| return pos; |
| } |
| |
| @Override |
| public void writeByte(byte b) throws IOException { |
| pos++; |
| updateLength(); |
| } |
| |
| @Override |
| public void writeBytes(byte[] b, int offset, int length) throws IOException { |
| pos += length; |
| updateLength(); |
| } |
| |
| private void updateLength() { |
| if (pos > length) { |
| length = pos; |
| } |
| } |
| |
| @Override |
| public long getChecksum() throws IOException { |
| return 0; // we don't write anything. |
| } |
| } |