oracle.pg.text.lucene

Class LuceneIndexUtils

java.lang.Object

oracle.pg.text.OracleIndexUtils

oracle.pg.text.lucene.LuceneIndexUtils

public class LuceneIndexUtils
extends OracleIndexUtils

This class contains a set of utilities to handle text search and text indexes

Constructor Summary

Constructors

Constructor and Description
LuceneIndexUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	appendDTToValue(java.lang.String value, java.lang.Class dtClass) Appends the value's data type PREFIX to the specified key.
static org.apache.lucene.search.SearcherManager	getSearcherManager(org.apache.lucene.store.Directory directory, org.apache.lucene.search.SearcherFactory searchFactory) Gets the SearcherManager object that executes read operations over the index stored in the specified directory.
static void	quietlyCloseOracleIndexWriters(OracleIndexWriter[] indexWriters) Quietly close the specified index writers.

Methods inherited from class oracle.pg.text.OracleIndexUtils

appendDTToKey, getDatatypeClass, getDatatypePrefix, getValueAsString

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneIndexUtils

public LuceneIndexUtils()

Method Detail

appendDTToValue

public static java.lang.String appendDTToValue(java.lang.String value,
                                               java.lang.Class dtClass)

Appends the value's data type PREFIX to the specified key.

Parameters:

value - the value

dtClass - the value's data type class

Returns:

a new value with a data type prefix.

getSearcherManager

public static org.apache.lucene.search.SearcherManager getSearcherManager(org.apache.lucene.store.Directory directory,
                                                                          org.apache.lucene.search.SearcherFactory searchFactory)
                                                                   throws java.io.IOException

Gets the SearcherManager object that executes read operations over the index stored in the specified directory.

Parameters:

directory - a Directory object managing the index data for a specific subdirectory.

searchFactory - a Lucene SearcherFactory object.

Returns:

a SearcherManager object.

Throws:

java.io.IOException

quietlyCloseOracleIndexWriters

public static void quietlyCloseOracleIndexWriters(OracleIndexWriter[] indexWriters)

Quietly close the specified index writers.

Parameters:

indexWriters - an array of OracleIndexWriter object.