/*
* 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.store;
import java.io.IOException;
/**
* Random Access Index API.
* Unlike {@link IndexInput}, this has no concept of file position, all reads
* are absolute. However, like IndexInput, it is only intended for use by a single thread.
*/
public interface RandomAccessInput {
/**
* Reads a byte at the given position in the file
* @see DataInput#readByte
*/
public byte readByte(long pos) throws IOException;
/**
* Reads a short at the given position in the file
* @see DataInput#readShort
*/
public short readShort(long pos) throws IOException;
/**
* Reads an integer at the given position in the file
* @see DataInput#readInt
*/
public int readInt(long pos) throws IOException;
/**
* Reads a long at the given position in the file
* @see DataInput#readLong
*/
public long readLong(long pos) throws IOException;
}