org.cdlib.xtf.util
Class DiskHashWriter

Object
  DiskHashWriter

public class DiskHashWriter
extends Object

Creates a persistent string to byte buffer hash table on disk, optimized for quick access. It can be read back later using a DiskHashReader.

Author:

Martin Haye

Field Summary

private HashMap	memMap Keeps track of entries in memory until we're ready to write to disk
static Tester	tester

Constructor Summary

DiskHashWriter()

Method Summary

void	outputTo(SubStoreWriter out) Writes out the entire hash
void	put(String key, PackedByteBuf val) Add a new key/value pair to the hash.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

memMap

private HashMap memMap

Keeps track of entries in memory until we're ready to write to disk

tester

public static final Tester tester

Constructor Detail

DiskHashWriter

public DiskHashWriter()

Method Detail

put

public void put(String key,
                PackedByteBuf val)

Add a new key/value pair to the hash.

outputTo

public void outputTo(SubStoreWriter out)
              throws IOException

Writes out the entire hash

Throws:

IOException