org.datanucleus.store.rdbms.datasource.dbcp

Class AbandonedTrace

java.lang.Object

org.datanucleus.store.rdbms.datasource.dbcp.AbandonedTrace

Direct Known Subclasses:

DelegatingConnection, DelegatingDatabaseMetaData, DelegatingResultSet, DelegatingStatement

public class AbandonedTrace
extends Object

Tracks db connection usage for recovering and reporting abandoned db connections. The JDBC Connection, Statement, and ResultSet classes extend this class.

Version:

$Revision: 899987 $ $Date: 2010-01-16 11:51:16 -0500 (Sat, 16 Jan 2010) $

Author:

Glenn L. Nielsen

Constructor Summary

Constructors

Constructor and Description
AbandonedTrace() Create a new AbandonedTrace without config and without doing abandoned tracing.
AbandonedTrace(AbandonedConfig config) Construct a new AbandonedTrace with no parent object.
AbandonedTrace(AbandonedTrace parent) Construct a new AbandonedTrace with a parent object.

Method Summary

Modifier and Type	Method and Description
protected void	addTrace(AbandonedTrace trace) Add an object to the list of objects being traced.
protected void	clearTrace() Clear the list of objects being traced by this object.
protected AbandonedConfig	getConfig() Get the abandoned config for this object.
protected long	getLastUsed() Get the last time this object was used in ms.
protected List	getTrace() Get a list of objects being traced by this object.
void	printStackTrace() Prints a stack trace of the code that created this object.
protected void	removeTrace(AbandonedTrace trace) Remove a child object this object is tracing.
protected void	setLastUsed() Set the time this object was last used to the current time in ms.
protected void	setLastUsed(long time) Set the time in ms this object was last used.
protected void	setStackTrace() If logAbandoned=true generate a stack trace for this object then add this object to the parent object trace list.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbandonedTrace

public AbandonedTrace()

Create a new AbandonedTrace without config and without doing abandoned tracing.

AbandonedTrace

public AbandonedTrace(AbandonedConfig config)

Construct a new AbandonedTrace with no parent object.

Parameters:

config - AbandonedConfig

AbandonedTrace

public AbandonedTrace(AbandonedTrace parent)

Construct a new AbandonedTrace with a parent object.

Parameters:

parent - AbandonedTrace parent object

Method Detail

getConfig

protected AbandonedConfig getConfig()

Get the abandoned config for this object.

Returns:

AbandonedConfig for this object

getLastUsed

protected long getLastUsed()

Get the last time this object was used in ms.

Returns:

long time in ms

setLastUsed

protected void setLastUsed()

Set the time this object was last used to the current time in ms.

setLastUsed

protected void setLastUsed(long time)

Set the time in ms this object was last used.

Parameters:

time - time in ms

setStackTrace

protected void setStackTrace()

If logAbandoned=true generate a stack trace for this object then add this object to the parent object trace list.

addTrace

protected void addTrace(AbandonedTrace trace)

Add an object to the list of objects being traced.

Parameters:

trace - AbandonedTrace object to add

clearTrace

protected void clearTrace()

Clear the list of objects being traced by this object.

getTrace

protected List getTrace()

Get a list of objects being traced by this object.

Returns:

List of objects

printStackTrace

public void printStackTrace()

Prints a stack trace of the code that created this object.

removeTrace

protected void removeTrace(AbandonedTrace trace)

Remove a child object this object is tracing.

Parameters:

trace - AbandonedTrace object to remove