org.apache.ignite.internal.processors.query.h2.opt

Class GridLuceneTextIndex

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.GridLuceneTextIndex

All Implemented Interfaces:

AutoCloseable, LuceneIndex

public class GridLuceneTextIndex
extends Object
implements LuceneIndex

Lucene index implementation that supports only TEXT queries.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXPIRATION_TIME_FIELD_NAME Field name for value expiration time.
static String	VAL_STR_FIELD_NAME Field name for string representation of value.
static String	VER_FIELD_NAME Field name for value version.

Constructor Summary

Constructors

Constructor and Description
GridLuceneTextIndex(GridKernalContext ctx, @Nullable String cacheName, GridQueryTypeDescriptor type) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close()
void	remove(CacheObject key)
void	store(CacheObject k, CacheObject v, GridCacheVersion ver, long expires)
<K,V> GridCloseableIterator<IgniteBiTuple<K,V>>	textQuery(String qry, IndexingQueryFilter filters)
<K,V> GridCloseableIterator<IgniteBiTuple<K,V>>	vectorQuery(String field, float[] qryVector, int k, float threshold, IndexingQueryFilter filters)

Methods inherited from class java.lang.Object

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

Field Detail

VAL_STR_FIELD_NAME

public static final String VAL_STR_FIELD_NAME

Field name for string representation of value.

See Also:

Constant Field Values

VER_FIELD_NAME

public static final String VER_FIELD_NAME

Field name for value version.

See Also:

Constant Field Values

EXPIRATION_TIME_FIELD_NAME

public static final String EXPIRATION_TIME_FIELD_NAME

Field name for value expiration time.

See Also:

Constant Field Values

Constructor Detail

GridLuceneTextIndex

public GridLuceneTextIndex(GridKernalContext ctx,
                           @Nullable
                           @Nullable String cacheName,
                           GridQueryTypeDescriptor type)

Constructor.

Parameters:

ctx - Kernal context.

cacheName - Cache name.

type - Type descriptor.

Method Detail

store

public void store(CacheObject k,
                  CacheObject v,
                  GridCacheVersion ver,
                  long expires)
           throws IgniteCheckedException

Specified by:

store in interface LuceneIndex

Throws:

IgniteCheckedException

remove

public void remove(CacheObject key)
            throws IgniteCheckedException

Specified by:

remove in interface LuceneIndex

Throws:

IgniteCheckedException

textQuery

public <K,V> GridCloseableIterator<IgniteBiTuple<K,V>> textQuery(String qry,
                                                                 IndexingQueryFilter filters)
                                                          throws IgniteCheckedException

Specified by:

textQuery in interface LuceneIndex

Throws:

IgniteCheckedException

vectorQuery

public <K,V> GridCloseableIterator<IgniteBiTuple<K,V>> vectorQuery(String field,
                                                                   float[] qryVector,
                                                                   int k,
                                                                   float threshold,
                                                                   IndexingQueryFilter filters)
                                                            throws IgniteCheckedException

Specified by:

vectorQuery in interface LuceneIndex

Throws:

IgniteCheckedException

close

public void close()

Specified by:

close in interface AutoCloseable