org.apache.accumulo.core.file.blockfile
Interface BlockFileReader

All Known Implementing Classes:

CachableBlockFile.Reader

public interface BlockFileReader

Provides a generic interface for a Reader for a BlockBaseFile format. Supports the minimal interface required. Read a metaBlock and a dataBlock

Method Summary

void	close()
ABlockReader	getDataBlock(int blockIndex)
ABlockReader	getDataBlock(long offset, long compressedSize, long rawSize)
ABlockReader	getMetaBlock(long offset, long compressedSize, long rawSize)
ABlockReader	getMetaBlock(String name)

Method Detail

getMetaBlock

ABlockReader getMetaBlock(String name)
                          throws IOException

Throws:

IOException

getDataBlock

ABlockReader getDataBlock(int blockIndex)
                          throws IOException

Throws:

IOException

close

void close()
           throws IOException

Throws:

IOException

getMetaBlock

ABlockReader getMetaBlock(long offset,
                          long compressedSize,
                          long rawSize)
                          throws IOException

Throws:

IOException

getDataBlock

ABlockReader getDataBlock(long offset,
                          long compressedSize,
                          long rawSize)
                          throws IOException

Throws:

IOException