org.apache.hadoop.hbase.wal

Interface AbstractFSWALProvider.Initializer

All Known Implementing Classes:

AbstractProtobufWALReader, ProtobufWALStreamReader, ProtobufWALTailingReader

Enclosing class:

AbstractFSWALProvider<T extends AbstractFSWAL<?>>

public static interface AbstractFSWALProvider.Initializer

Method Summary

Modifier and Type	Method and Description
void	init(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, org.apache.hadoop.conf.Configuration c, long startPosition) A method to initialize a WAL reader.

Method Detail

init

void init(org.apache.hadoop.fs.FileSystem fs,
          org.apache.hadoop.fs.Path path,
          org.apache.hadoop.conf.Configuration c,
          long startPosition)
   throws IOException

A method to initialize a WAL reader.

Parameters:

startPosition - the start position you want to read from, -1 means start reading from the first WAL entry. Notice that, the first entry is not started at position as we have several headers, so typically you should not pass 0 here.

Throws:

IOException