com.partnersoft.io.formats.dump

Class InMemoryGoedelIndex

java.lang.Object

com.partnersoft.io.formats.dump.InMemoryGoedelIndex

All Implemented Interfaces:

ArraySortingGopher

public class InMemoryGoedelIndex
extends java.lang.Object
implements ArraySortingGopher

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

Author:

Paul Reavis Copyright 2000 Partner Software, Inc.

Constructor Summary

Constructors

Constructor and Description
InMemoryGoedelIndex()
InMemoryGoedelIndex(long[] goedels, long[] offsets, int size)

Method Summary

Methods

Modifier and Type	Method and Description
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.io.File offsetsFile)
void	loadFromDump(java.lang.String dumpPath)
void	remember(int index) Remembers the key at the given index for future comparisons.
void	savePacked(java.io.File dumpFile, java.io.File offsetFile)
void	saveToDump(java.io.File offsetFile)
void	saveToDump(java.lang.String dumpPath)
void	sort()
static void	sortAndPackGoedelDump(java.io.File dumpFile, java.io.File offsetsFile)
static void	sortAndPackGoedelDump(java.io.File dumpFile, java.io.File offsetsFile, long[] offsets, long[] goedels, int size)
static void	sortGoedelDump(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

Constructor Detail

InMemoryGoedelIndex

public InMemoryGoedelIndex()

InMemoryGoedelIndex

public InMemoryGoedelIndex(long[] goedels,
                   long[] offsets,
                   int size)

Method Detail

sortGoedelDump

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

Throws:

java.io.IOException

sortAndPackGoedelDump

public static void sortAndPackGoedelDump(java.io.File dumpFile,
                         java.io.File offsetsFile)
                                  throws java.io.IOException

Throws:

java.io.IOException

sortAndPackGoedelDump

public static void sortAndPackGoedelDump(java.io.File dumpFile,
                         java.io.File offsetsFile,
                         long[] offsets,
                         long[] goedels,
                         int size)
                                  throws java.io.IOException

Throws:

java.io.IOException

loadFromDump

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

Throws:

java.io.IOException

loadFromDump

public void loadFromDump(java.io.File offsetsFile)
                  throws java.io.IOException

Throws:

java.io.IOException

saveToDump

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

Throws:

java.io.IOException

saveToDump

public void saveToDump(java.io.File offsetFile)
                throws java.io.IOException

Throws:

java.io.IOException

savePacked

public void savePacked(java.io.File dumpFile,
              java.io.File offsetFile)
                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