oracle.jdbc.driver
Class LRUStatementCache

java.lang.Object
  oracle.jdbc.driver.LRUStatementCache

public class LRUStatementCache

extends java.lang.Object

A Statement Caching based on LRU Scheme

Field Summary

static java.lang.String	BUILD_DATE
static boolean	PRIVATE_TRACE
static boolean	TRACE

Method Summary

void	close() Close all the cursors in the application cache
int	getCacheSize()
boolean	getExplicitCachingEnabled() getExplicitCachingEnabled Returns true if the explicit cache is currently enabled, false otherwise.
boolean	getImplicitCachingEnabled() getImplicitCachingEnabled Returns true if the implicit cache is currently enabled, false otherwise.
void	printCache(java.lang.String msg) printCache Prints the contents of the application cache to the screen.
void	setExplicitCachingEnabled(boolean cache) setExplicitCachingEnabled Enables or disables the explicit cache.
void	setImplicitCachingEnabled(boolean cache) setImplicitCachingEnabled Enables or disables the implicit cache.

Methods inherited from class java.lang.Object

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

Field Detail

TRACE

public static final boolean TRACE

See Also:

Constant Field Values

PRIVATE_TRACE

public static final boolean PRIVATE_TRACE

See Also:

Constant Field Values

BUILD_DATE

public static final java.lang.String BUILD_DATE

See Also:

Constant Field Values

Method Detail

setImplicitCachingEnabled

public void setImplicitCachingEnabled(boolean cache)
                               throws java.sql.SQLException

setImplicitCachingEnabled Enables or disables the implicit cache.

Parameters:

cache - If true, then implicit caching will be enabled. If false, then any existing statements will be purged and the implicit cache will be disabled.

Throws:

java.sql.SQLException

getImplicitCachingEnabled

public boolean getImplicitCachingEnabled()
                                  throws java.sql.SQLException

getImplicitCachingEnabled Returns true if the implicit cache is currently enabled, false otherwise. Note that if the current statement cache size is 0, this method will also return false.

Throws:

java.sql.SQLException

setExplicitCachingEnabled

public void setExplicitCachingEnabled(boolean cache)
                               throws java.sql.SQLException

setExplicitCachingEnabled Enables or disables the explicit cache.

Parameters:

cache - If true, then explicit caching will be enabled. If false, then any existing statements will be purged and the explicit cache will be disabled.

Throws:

java.sql.SQLException

getExplicitCachingEnabled

public boolean getExplicitCachingEnabled()
                                  throws java.sql.SQLException

getExplicitCachingEnabled Returns true if the explicit cache is currently enabled, false otherwise. Note that if the current statement cache size is 0, this method will also return false.

Throws:

java.sql.SQLException

getCacheSize

public int getCacheSize()

printCache

public void printCache(java.lang.String msg)
                throws java.sql.SQLException

printCache Prints the contents of the application cache to the screen. This is a debugging routine only.

Throws:

java.sql.SQLException

close

public void close()
           throws java.sql.SQLException

Close all the cursors in the application cache

Throws:

java.sql.SQLException