com.db4o.tools

Class QueryStats

java.lang.Object

com.db4o.tools.QueryStats

public class QueryStats
extends java.lang.Object

Keeps track of query statistics.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	_activationCount
protected StopWatch	_watch

Constructor Summary

Constructors

Constructor and Description
QueryStats()

Method Summary

Methods

Modifier and Type	Method and Description
int	activationCount() How many objects were activated so far.
void	connect(ObjectContainer container) Starts gathering query statistics for the specified container.
void	disconnect() Disconnects from the current container.
long	executionTime() How long the last query took to execute.

Methods inherited from class java.lang.Object

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

Field Detail

_activationCount

protected int _activationCount

_watch

protected final StopWatch _watch

Constructor Detail

QueryStats

public QueryStats()

Method Detail

executionTime

public long executionTime()

How long the last query took to execute.

Returns:

time in miliseconds

activationCount

public int activationCount()

How many objects were activated so far.

connect

public void connect(ObjectContainer container)

Starts gathering query statistics for the specified container.

disconnect

public void disconnect()

Disconnects from the current container.