org.h2.fulltext

Class FullTextSettings

java.lang.Object

org.h2.fulltext.FullTextSettings

public class FullTextSettings
extends Object

The global settings of a full text search.

Field Summary

Fields

Modifier and Type	Field and Description
protected SoftHashMap<Connection,SoftHashMap<String,PreparedStatement>>	cache The prepared statement cache.
protected HashSet<String>	ignoreList The set of words not to index (stop words).
protected HashMap<Integer,IndexInfo>	indexes The set of indexes in this database.
protected boolean	initialized Whether this instance has been initialized.
protected static HashMap<String,FullTextSettings>	SETTINGS The settings of open indexes.
protected String	whitespaceChars The whitespace characters.
protected HashMap<String,Integer>	words The set of words / terms.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FullTextSettings() Create a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addIndexInfo(IndexInfo index) Add an index.
protected static void	closeAll() Close all fulltext settings, freeing up memory.
protected String	convertWord(String word) Convert a word to uppercase.
protected HashSet<String>	getIgnoreList() Get the ignore list.
protected IndexInfo	getIndexInfo(int indexId) Get the index information for the given index id.
protected static String	getIndexPath(Connection conn) Get the file system path.
protected static FullTextSettings	getInstance(Connection conn) Get or create the fulltext settings for this database.
protected String	getWhitespaceChars()
protected HashMap<String,Integer>	getWordList() Get the word list.
protected boolean	isInitialized() Get the initialized flag.
protected PreparedStatement	prepare(Connection conn, String sql) Prepare a statement.
protected void	removeAllIndexes() Remove all indexes from the settings.
protected void	removeIndexInfo(IndexInfo index) Remove an index from the settings.
protected void	setInitialized(boolean b) Set the initialized flag.
protected void	setWhitespaceChars(String whitespaceChars)

Methods inherited from class java.lang.Object

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

Field Detail

SETTINGS

protected static final HashMap<String,FullTextSettings> SETTINGS

The settings of open indexes.

initialized

protected boolean initialized

Whether this instance has been initialized.

ignoreList

protected HashSet<String> ignoreList

The set of words not to index (stop words).

words

protected HashMap<String,Integer> words

The set of words / terms.

indexes

protected HashMap<Integer,IndexInfo> indexes

The set of indexes in this database.

cache

protected SoftHashMap<Connection,SoftHashMap<String,PreparedStatement>> cache

The prepared statement cache.

whitespaceChars

protected String whitespaceChars

The whitespace characters.

Constructor Detail

FullTextSettings

protected FullTextSettings()

Create a new instance.

Method Detail

getIgnoreList

protected HashSet<String> getIgnoreList()

Get the ignore list.

Returns:

the ignore list

getWordList

protected HashMap<String,Integer> getWordList()

Get the word list.

Returns:

the word list

getIndexInfo

protected IndexInfo getIndexInfo(int indexId)

Get the index information for the given index id.

Parameters:

indexId - the index id

Returns:

the index info

addIndexInfo

protected void addIndexInfo(IndexInfo index)

Add an index.

Parameters:

index - the index

convertWord

protected String convertWord(String word)

Convert a word to uppercase. This method returns null if the word is in the ignore list.

Parameters:

word - the word to convert and check

Returns:

the uppercase version of the word or null

getInstance

protected static FullTextSettings getInstance(Connection conn)
                                       throws SQLException

Get or create the fulltext settings for this database.

Parameters:

conn - the connection

Returns:

the settings

Throws:

SQLException

getIndexPath

protected static String getIndexPath(Connection conn)
                              throws SQLException

Get the file system path.

Parameters:

conn - the connection

Returns:

the file system path

Throws:

SQLException

prepare

protected PreparedStatement prepare(Connection conn,
                        String sql)
                             throws SQLException

Prepare a statement. The statement is cached in a soft reference cache.

Parameters:

conn - the connection

sql - the statement

Returns:

the prepared statement

Throws:

SQLException

removeAllIndexes

protected void removeAllIndexes()

Remove all indexes from the settings.

removeIndexInfo

protected void removeIndexInfo(IndexInfo index)

Remove an index from the settings.

Parameters:

index - the index to remove

setInitialized

protected void setInitialized(boolean b)

Set the initialized flag.

Parameters:

b - the new value

isInitialized

protected boolean isInitialized()

Get the initialized flag.

Returns:

whether this instance is initialized

closeAll

protected static void closeAll()

Close all fulltext settings, freeing up memory.

setWhitespaceChars

protected void setWhitespaceChars(String whitespaceChars)

getWhitespaceChars

protected String getWhitespaceChars()