com.partnersoft.io.formats.dump
Class InMemoryStringIndex

java.lang.Object
  com.partnersoft.io.formats.dump.InMemoryStringIndex

All Implemented Interfaces:

ArraySortingGopher

public class InMemoryStringIndex
extends java.lang.Object
implements ArraySortingGopher

This is a gadget to allow in-memory sorting of a NamedObjectStore.

Author:

Paul Reavis Copyright 2001 Partner Software, Inc.

Field Summary

byte[][]	data
boolean	loadData
long[]	offsets
java.lang.String	rememberMe
java.lang.String[]	strings

Constructor Summary

InMemoryStringIndex()

InMemoryStringIndex(boolean loadData)

Method Summary

void	appendToDump(NamedObjectDumpBuilder builder)
int	compare(int index) Compares the key of the item at the given index with the current remembered key.
int	getSize() Returns the number of items in the array.
java.lang.Object	keyAt(int index)
void	loadFromDump(java.lang.String dumpPath)
void	remember(int index) Remembers the key at the given index for future comparisons.
void	saveToDump(java.lang.String dumpPath)
void	sort()
static void	sortNamedObjectDump(java.lang.String dumpPath)
void	swap(int a, int b) Swaps the items at the two index positions.

Methods inherited from class java.lang.Object

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

Field Detail

strings

public java.lang.String[] strings

offsets

public long[] offsets

data

public byte[][] data

loadData

public boolean loadData

rememberMe

public java.lang.String rememberMe

Constructor Detail

InMemoryStringIndex

public InMemoryStringIndex()

InMemoryStringIndex

public InMemoryStringIndex(boolean loadData)

Method Detail

sortNamedObjectDump

public static void sortNamedObjectDump(java.lang.String dumpPath)
                                throws java.io.IOException

Throws:

java.io.IOException

loadFromDump

public void loadFromDump(java.lang.String dumpPath)
                  throws java.io.IOException

Throws:

java.io.IOException

saveToDump

public void saveToDump(java.lang.String dumpPath)
                throws java.io.IOException

Throws:

java.io.IOException

appendToDump

public void appendToDump(NamedObjectDumpBuilder builder)
                  throws java.io.IOException

Throws:

java.io.IOException

sort

public void sort()

remember

public void remember(int index)

Description copied from interface: ArraySortingGopher

Remembers the key at the given index for future comparisons.

Specified by:

remember in interface ArraySortingGopher

compare

public int compare(int index)

Description copied from interface: ArraySortingGopher

Compares the key of the item at the given index with the current remembered key.

Specified by:

compare in interface ArraySortingGopher

keyAt

public java.lang.Object keyAt(int index)

getSize

public int getSize()

Description copied from interface: ArraySortingGopher

Returns the number of items in the array.

Specified by:

getSize in interface ArraySortingGopher

swap

public void swap(int a,
                 int b)

Description copied from interface: ArraySortingGopher

Swaps the items at the two index positions.

Specified by:

swap in interface ArraySortingGopher