net.yacy.kelondro.index

Interface Index

All Superinterfaces:

java.lang.Iterable<Row.Entry>

All Known Implementing Classes:

BufferedObjectIndex, Cache, OnDemandOpenFileIndex, RAMIndex, RAMIndexCluster, ReferenceContainer, RowSet, SplitTable, SQLTable, Table

public interface Index
extends java.lang.Iterable<Row.Entry>

Method Summary

Methods

Modifier and Type	Method and Description
void	addUnique(Row.Entry row)
void	clear()
void	close()
boolean	delete(byte[] key)
void	deleteOnExit()
java.lang.String	filename()
Row.Entry	get(byte[] key, boolean forcecopy)
java.util.Map<byte[],Row.Entry>	get(java.util.Collection<byte[]> keys, boolean forcecopy)
boolean	has(byte[] key)
boolean	isEmpty()
java.util.Iterator<Row.Entry>	iterator()
CloneableIterator<byte[]>	keys(boolean up, byte[] firstKey)
byte[]	largestKey()
long	mem()
void	optimize()
boolean	put(Row.Entry row) Adds the row to the index.
java.util.List<Row.Entry>	random(int count)
Row.Entry	remove(byte[] key)
java.util.List<RowCollection>	removeDoubles()
Row.Entry	removeOne()
Row.Entry	replace(Row.Entry row)
Row	row()
CloneableIterator<Row.Entry>	rows()
CloneableIterator<Row.Entry>	rows(boolean up, byte[] firstKey)
int	size()
byte[]	smallestKey()
java.util.List<Row.Entry>	top(int count)

Method Detail

filename

java.lang.String filename()

size

int size()

optimize

void optimize()

mem

long mem()

isEmpty

boolean isEmpty()

row

Row row()

smallestKey

byte[] smallestKey()

largestKey

byte[] largestKey()

has

boolean has(byte[] key)

get

java.util.Map<byte[],Row.Entry> get(java.util.Collection<byte[]> keys,
                                  boolean forcecopy)
                                    throws java.io.IOException,
                                           java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

get

Row.Entry get(byte[] key,
            boolean forcecopy)
              throws java.io.IOException

Throws:

java.io.IOException

replace

Row.Entry replace(Row.Entry row)
                  throws SpaceExceededException,
                         java.io.IOException

Throws:

SpaceExceededException

java.io.IOException

put

boolean put(Row.Entry row)
            throws java.io.IOException,
                   SpaceExceededException

Adds the row to the index. The row is identified by the primary key of the row.

Parameters:

row - a index row

Returns:

true if this set did _not_ already contain the given row.

Throws:

java.io.IOException

SpaceExceededException

addUnique

void addUnique(Row.Entry row)
               throws SpaceExceededException,
                      java.io.IOException

Throws:

SpaceExceededException

java.io.IOException

removeDoubles

java.util.List<RowCollection> removeDoubles()
                                            throws java.io.IOException,
                                                   SpaceExceededException

Throws:

java.io.IOException

SpaceExceededException

delete

boolean delete(byte[] key)
               throws java.io.IOException

Throws:

java.io.IOException

remove

Row.Entry remove(byte[] key)
                 throws java.io.IOException

Throws:

java.io.IOException

removeOne

Row.Entry removeOne()
                    throws java.io.IOException

Throws:

java.io.IOException

top

java.util.List<Row.Entry> top(int count)
                              throws java.io.IOException

Throws:

java.io.IOException

random

java.util.List<Row.Entry> random(int count)
                                 throws java.io.IOException

Throws:

java.io.IOException

keys

CloneableIterator<byte[]> keys(boolean up,
                             byte[] firstKey)
                               throws java.io.IOException

Throws:

java.io.IOException

rows

CloneableIterator<Row.Entry> rows(boolean up,
                                byte[] firstKey)
                                  throws java.io.IOException

Throws:

java.io.IOException

rows

CloneableIterator<Row.Entry> rows()
                                  throws java.io.IOException

Throws:

java.io.IOException

iterator

java.util.Iterator<Row.Entry> iterator()

Specified by:

iterator in interface java.lang.Iterable<Row.Entry>

deleteOnExit

void deleteOnExit()

clear

void clear()
           throws java.io.IOException

Throws:

java.io.IOException

close

void close()