Package lu.kbra.pclib.db.connector

Class AbstractDataBaseConnector.CachedConnection

java.lang.Object

lu.kbra.pclib.db.connector.AbstractDataBaseConnector.CachedConnection

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

SingleDataBaseConnector.LockedSingleCachedConnection, ThreadLocalDataBaseConnector.PerThreadCachedConnection

Enclosing class:

AbstractDataBaseConnector

public abstract class AbstractDataBaseConnector.CachedConnection
extends Object
implements Closeable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	AbstractDataBaseConnector.CachedConnection.ConnectionHolder

Field Summary

Fields

Modifier and Type	Field	Description
protected final AtomicBoolean	closed
protected final Connection	connection
protected final long	generation
protected final AtomicBoolean	invalidated
protected final AtomicInteger	users

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CachedConnection(Connection connection, long generation)

Method Summary

Modifier and Type	Method	Description
void	close()
protected void	decrementUsers()
protected abstract void	forceClose()
Connection	getConnection()
protected void	incrementUsers()
boolean	isUsableFor(long expectedGeneration)
boolean	isValid()
String	toString()
abstract AbstractDataBaseConnector.CachedConnection.ConnectionHolder	use()

Methods inherited from class java.lang.Object

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

Field Details

users

protected final transient AtomicInteger users

connection

protected final transient Connection connection

generation

protected final transient long generation

invalidated

protected final transient AtomicBoolean invalidated

closed

protected final transient AtomicBoolean closed

Constructor Details

CachedConnection

protected CachedConnection(Connection connection,
 long generation)

Method Details

close

public void close()
           throws DBException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

DBException

getConnection

public Connection getConnection()

isUsableFor

public boolean isUsableFor(long expectedGeneration)
                    throws DBException

Throws:

DBException

isValid

public boolean isValid()
                throws DBException

Throws:

DBException

toString

public String toString()

Overrides:

toString in class Object

use

public abstract AbstractDataBaseConnector.CachedConnection.ConnectionHolder use()
                                                                         throws DBException

Throws:

DBException

decrementUsers

protected void decrementUsers()

forceClose

protected abstract void forceClose()

incrementUsers

protected void incrementUsers()