content: /*
   * 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;
  }
  