Package com.semedy.reasoner.edb.zdb

Class InvertedIndices

java.lang.Object

com.semedy.reasoner.edb.zdb.InvertedIndices

public class InvertedIndices
extends Object

Full text index for edb.

Author:

Juergen Angele

Constructor Summary

Constructors

Constructor	Description
InvertedIndices(String edbDir, String[] props, boolean shingles)

Method Summary

Modifier and Type	Method	Description
void	addTuple(Object[] args, long[] codes)
void	addTuple(Object[] args, long[] codes, int index)
void	addTuple(Object[] args, TupleBuffer codes)
void	close()
void	createIndex(String property)	create a new index for property
void	flush()
Set<String>	getIndexedProperties()	get the indexed properties
boolean	isPropertyIndexed(String property)	is property indexed
void	removeTuple(long objectCode, String property, String value)
Iterable<SearchResult>	search(String searchTerm, String property, float similarity)	search for search expression in property
Iterable<SearchResult>	search(String searchTerm, String property, int maxDistance)	search for search expression in property and maxDistance
void	transactionBegin()
void	transactionCommit()
void	transactionRollback()

Methods inherited from class java.lang.Object

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

Constructor Details

InvertedIndices

public InvertedIndices(String edbDir,
 String[] props,
 boolean shingles)
                throws IOException

Throws:

IOException

Method Details

createIndex

public void createIndex(String property)
                 throws IOException

create a new index for property

Parameters:

property -

Throws:

IOException

search

public Iterable<SearchResult> search(String searchTerm,
 String property,
 float similarity)
                              throws IOException

search for search expression in property

Parameters:

searchTerm -

property -

Returns:

Throws:

IOException

search

public Iterable<SearchResult> search(String searchTerm,
 String property,
 int maxDistance)
                              throws IOException

search for search expression in property and maxDistance

Parameters:

searchTerm -

property -

maxDistance -

Returns:

Throws:

IOException

getIndexedProperties

public Set<String> getIndexedProperties()

get the indexed properties

Returns:

isPropertyIndexed

public boolean isPropertyIndexed(String property)

is property indexed

Parameters:

property -

Returns:

addTuple

public void addTuple(Object[] args,
 long[] codes,
 int index)
              throws IOException

Throws:

IOException

addTuple

public void addTuple(Object[] args,
 long[] codes)
              throws IOException

Throws:

IOException

addTuple

public void addTuple(Object[] args,
 TupleBuffer codes)
              throws IOException

Throws:

IOException

removeTuple

public void removeTuple(long objectCode,
 String property,
 String value)
                 throws IOException

Throws:

IOException

transactionCommit

public void transactionCommit()
                       throws IOException

Throws:

IOException

transactionRollback

public void transactionRollback()
                         throws IOException

Throws:

IOException

transactionBegin

public void transactionBegin()

close

public void close()
           throws IOException

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException