| /* |
| * 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 |
| * |
| * https://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.avro.file; |
| |
| import java.io.IOException; |
| import java.io.Closeable; |
| |
| /** An InputStream that supports seek and tell. */ |
| public interface SeekableInput extends Closeable { |
| |
| /** |
| * Set the position for the next {@link java.io.InputStream#read(byte[],int,int) |
| * read()}. |
| */ |
| void seek(long p) throws IOException; |
| |
| /** |
| * Return the position of the next |
| * {@link java.io.InputStream#read(byte[],int,int) read()}. |
| */ |
| long tell() throws IOException; |
| |
| /** Return the length of the file. */ |
| long length() throws IOException; |
| |
| /** Equivalent to {@link java.io.InputStream#read(byte[],int,int)}. */ |
| int read(byte[] b, int off, int len) throws IOException; |
| } |