org.ow2.jonas.resource.internal.cm.sql.cache
Interface PreparedStatementCache

All Known Implementing Classes:

AbstractPreparedStatementCacheImpl, PreparedStatementListCacheImpl, PreparedStatementMapCacheImpl

public interface PreparedStatementCache

Prepared Statement Cache Interface

Author:

pelletib

Field Summary

static String	CACHE_POLICY_LIST Policy : list
static String	CACHE_POLICY_MAP Policy : map

Method Summary

void	close() Close logically the cache entries
void	destroy() Destroy the cache entries
PreparedStatementWrapper	get(PreparedStatementWrapper psw) Retrieve an entry in the cache
int	getMaxPstmtCacheSize()
int	getPstmtCacheSize()
String	getState(String prefix)
void	put(PreparedStatementWrapper psw) Add an entry in the cache
void	reallyClose() Close really the cache entries
void	setMaxPstmtCacheSize(int maxSize) Set the max cache size

Field Detail

CACHE_POLICY_LIST

static final String CACHE_POLICY_LIST

Policy : list

See Also:

Constant Field Values

CACHE_POLICY_MAP

static final String CACHE_POLICY_MAP

Policy : map

See Also:

Constant Field Values

Method Detail

put

void put(PreparedStatementWrapper psw)
         throws CacheException,
                SQLException

Add an entry in the cache

Parameters:

psw - : wrapped prepared statement to add

Throws:

CacheException - no more space in cache

SQLException

get

PreparedStatementWrapper get(PreparedStatementWrapper psw)

Retrieve an entry in the cache

Parameters:

psw - : parameters of the prepared statement to retrieve

Returns:

wrapped prepared statement or null if not found

getPstmtCacheSize

int getPstmtCacheSize()

Returns:

Get the current cache size.

getMaxPstmtCacheSize

int getMaxPstmtCacheSize()

Returns:

Get the max cache size.

setMaxPstmtCacheSize

void setMaxPstmtCacheSize(int maxSize)

Set the max cache size

Parameters:

maxSize - The max size to set.

getState

String getState(String prefix)

Parameters:

prefix - indentation

Returns:

a string with a cache state (dump)

destroy

void destroy()

Destroy the cache entries

close

void close()

Close logically the cache entries

reallyClose

void reallyClose()

Close really the cache entries