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JavaOnTracks 0.1.2
  net.jot.db. JOTDBPool View Source
Author(s)
tcolar
Since
Version
Serial
Hierarchy
 Object
      Thread
          JOTDBPool
Implements
Subclasses
Quick Links: Constructors   Methods   Fields   NestedClasses  
Description
public class JOTDBPool
  This is an implementation of a database connection pooling system It manages connections, adds some when needed, and periodically check there status and renew them is they appear corrupt/hung.
See also:   
Constructors
public JOTDBPool (String name, JOTDBJDBCSetup setup) throws Exception
  Create appol for a particular DB
Methods
Hide/Show inherited methods
publicstatic int activeCount () [Inherited From Thread]
publicfinal void checkAccess () [Inherited From Thread]
@Deprecated
publicnative int countStackFrames () [Inherited From Thread]
publicstaticnative Thread currentThread () [Inherited From Thread]
@Deprecated
public void destroy () [Inherited From Thread]
public void dropAll ()
Release/closes all the connections
publicsynchronized void dropConnection (int i)
  Release/removes a connection
publicstatic void dumpStack () [Inherited From Thread]
publicstatic int enumerate (Thread arg0) [Inherited From Thread]
public void finalize () throws Throwable
will automatically call shutdown when java app is terminated, to avoid hung DB connections.
publicstatic Map<Thread, StackTraceElement> getAllStackTraces () [Inherited From Thread]
public ClassLoader getContextClassLoader () [Inherited From Thread]
publicstatic UncaughtExceptionHandler getDefaultUncaughtExceptionHandler () [Inherited From Thread]
public long getId () [Inherited From Thread]
publicfinal String getName () [Inherited From Thread]
publicfinal int getPriority () [Inherited From Thread]
public StackTraceElement getStackTrace () [Inherited From Thread]
public State getState () [Inherited From Thread]
publicfinal ThreadGroup getThreadGroup () [Inherited From Thread]
public UncaughtExceptionHandler getUncaughtExceptionHandler () [Inherited From Thread]
publicstaticnative boolean holdsLock (Object arg0) [Inherited From Thread]
public void interrupt () [Inherited From Thread]
publicstatic boolean interrupted () [Inherited From Thread]
publicfinalnative boolean isAlive () [Inherited From Thread]
publicfinal boolean isDaemon () [Inherited From Thread]
public boolean isInterrupted () [Inherited From Thread]
publicfinal void join () throws InterruptedException [Inherited From Thread]
publicfinalsynchronized void join (long arg0) throws InterruptedException [Inherited From Thread]
publicfinalsynchronized void join (long arg0, int arg1) throws InterruptedException [Inherited From Thread]
public void releaseConnection (Connection con, int i)
  Description of the Method
public void releaseConnection (JOTTaggedConnection con)
  free a connection when not usefull anymore.
publicsynchronized Connection renewConnection (int index) throws Exception
  Renew a connection when it got corrupted.
@Deprecated
publicfinal void resume () [Inherited From Thread]
publicsynchronized JOTTaggedConnection retrieveConnection () throws Exception
  This get a connection from the pool Returns the "first available".
public void run () [Overrides Thread]
  The run thread method is there as a whatchdog It will try to find out when connections aren't needed anymore And free them if possible.
public void setContextClassLoader (ClassLoader arg0) [Inherited From Thread]
publicfinal void setDaemon (boolean arg0) [Inherited From Thread]
publicstatic void setDefaultUncaughtExceptionHandler (UncaughtExceptionHandler arg0) [Inherited From Thread]
publicfinal void setName (String arg0) [Inherited From Thread]
publicfinal void setPriority (int arg0) [Inherited From Thread]
public void setUncaughtExceptionHandler (UncaughtExceptionHandler arg0) [Inherited From Thread]
public void shutdown ()
Terminates a pool and releases resources
publicstaticnative void sleep (long arg0) throws InterruptedException [Inherited From Thread]
publicstatic void sleep (long arg0, int arg1) throws InterruptedException [Inherited From Thread]
publicsynchronized void start () [Inherited From Thread]
@Deprecated
publicfinal void stop () [Inherited From Thread]
@Deprecated
publicfinalsynchronized void stop (Throwable arg0) [Inherited From Thread]
@Deprecated
publicfinal void suspend () [Inherited From Thread]
public String toString () [Inherited From Thread]
publicsynchronized void updateAccessTime (int id)
  Updates the last time a pooled connection was used, so we can manage it better.
publicstaticnative void yield () [Inherited From Thread]
Fields
Hide/Show inherited fields
pack-private Hashtable cons
pack-private int initSize
pack-private long lastAccess
pack-private int lastIndex
pack-private long lastStatus
publicfinalstatic int MAX_PRIORITY = "10" [Inherited From Thread]
pack-private int maxSize
publicfinalstatic int MIN_PRIORITY = "1" [Inherited From Thread]
pack-private int minSize
pack-private String name
publicfinalstatic int NORM_PRIORITY = "5" [Inherited From Thread]
pack-private JOTDBJDBCSetup setup
pack-privatevolatile boolean shutdown
pack-private boolean status
pack-private int statusGap
Nested Classes
  Thread.State
  Thread.UncaughtExceptionHandler
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