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

Class GridLuceneIndex

java.lang.Object

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

All Implemented Interfaces:

AutoCloseable

public class GridLuceneIndex
extends Object
implements AutoCloseable

Lucene fulltext index.

Field Summary

Fields

Modifier and Type	Field	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	Description
GridLuceneIndex(GridKernalContext ctx, @Nullable String cacheName, GridQueryTypeDescriptor type)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
<K,V> GridCloseableIterator<IgniteBiTuple<K,V>>	query(String qry, IndexingQueryFilter filters, int limit)	Runs lucene fulltext query over this index.
void	remove(CacheObject key)	Removes entry for given key from this index.
void	store(CacheObject k, CacheObject v, GridCacheVersion ver, long expires)	Stores given data in this fulltext index.

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

GridLuceneIndex

public GridLuceneIndex(GridKernalContext ctx,
                       @Nullable
                       @Nullable String cacheName,
                       GridQueryTypeDescriptor type)
                throws IgniteCheckedException

Constructor.

Parameters:

ctx - Kernal context.

cacheName - Cache name.

type - Type descriptor.

Throws:

IgniteCheckedException - If failed.

Method Detail

store

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

Stores given data in this fulltext index.

Parameters:

k - Key.

v - Value.

ver - Version.

expires - Expiration time.

Throws:

IgniteCheckedException - If failed.

remove

public void remove(CacheObject key)
            throws IgniteCheckedException

Removes entry for given key from this index.

Parameters:

key - Key.

Throws:

IgniteCheckedException - If failed.

query

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

Runs lucene fulltext query over this index.

Parameters:

qry - Query.

filters - Filters over result.

limit - Limits response records count. If 0 or less, the limit considered to be Integer.MAX_VALUE, that is virtually no limit.

Returns:

Query result.

Throws:

IgniteCheckedException - If failed.

close

public void close()

Specified by:

close in interface AutoCloseable