org.apache.avro.file.SeekableInput Maven / Gradle / Ivy
/*
* 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;
}