com.alibaba.druid.pool.ha.selector

Class RandomDataSourceSelector

java.lang.Object

com.alibaba.druid.pool.ha.selector.RandomDataSourceSelector

All Implemented Interfaces:

DataSourceSelector

Direct Known Subclasses:

StickyRandomDataSourceSelector

public class RandomDataSourceSelector
extends Object
implements DataSourceSelector

A selector which uses java.util.Random to choose DataSource.

Author:

DigitalSonic

Field Summary

Fields

Modifier and Type	Field and Description
static String	PROP_BLACKLIST_THRESHOLD
static String	PROP_CHECKING_INTERVAL
static String	PROP_RECOVERY_INTERVAL
static String	PROP_VALIDATION_SLEEP

Constructor Summary

Constructors

Constructor and Description
RandomDataSourceSelector(HighAvailableDataSource highAvailableDataSource)

Method Summary

Modifier and Type	Method and Description
void	addBlacklist(DataSource dataSource)
boolean	containInBlacklist(DataSource dataSource)
void	destroy() Interrupt Threads if needed.
DataSource	get() Return a DataSource according to the implemention.
List<DataSource>	getBlacklist()
int	getBlacklistThreshold()
int	getCheckingIntervalSeconds()
Map<String,DataSource>	getDataSourceMap()
Map<String,DataSource>	getFullDataSourceMap()
HighAvailableDataSource	getHighAvailableDataSource()
String	getName() Return the name of this DataSourceSelector.
RandomDataSourceRecoverThread	getRecoverThread()
int	getRecoveryIntervalSeconds()
RandomDataSourceValidateThread	getValidateThread()
int	getValidationSleepSeconds()
void	init() Init the DataSourceSelector before use it.
void	removeBlacklist(DataSource dataSource)
void	setBlacklistThreshold(int blacklistThreshold)
void	setCheckingIntervalSeconds(int checkingIntervalSeconds)
void	setRecoverThread(RandomDataSourceRecoverThread recoverThread)
void	setRecoveryIntervalSeconds(int recoveryIntervalSeconds)
void	setTarget(String name) Set the target DataSource name to return.
void	setValidateThread(RandomDataSourceValidateThread validateThread)
void	setValidationSleepSeconds(int validationSleepSeconds)

Methods inherited from class java.lang.Object

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

Field Detail

PROP_CHECKING_INTERVAL

public static final String PROP_CHECKING_INTERVAL

See Also:

Constant Field Values

PROP_RECOVERY_INTERVAL

public static final String PROP_RECOVERY_INTERVAL

See Also:

Constant Field Values

PROP_VALIDATION_SLEEP

public static final String PROP_VALIDATION_SLEEP

See Also:

Constant Field Values

PROP_BLACKLIST_THRESHOLD

public static final String PROP_BLACKLIST_THRESHOLD

See Also:

Constant Field Values

Constructor Detail

RandomDataSourceSelector

public RandomDataSourceSelector(HighAvailableDataSource highAvailableDataSource)

Method Detail

init

public void init()

Description copied from interface: DataSourceSelector

Init the DataSourceSelector before use it.

Specified by:

init in interface DataSourceSelector

destroy

public void destroy()

Interrupt Threads if needed.

Specified by:

destroy in interface DataSourceSelector

getName

public String getName()

Description copied from interface: DataSourceSelector

Return the name of this DataSourceSelector. e.g. byName

Specified by:

getName in interface DataSourceSelector

get

public DataSource get()

Description copied from interface: DataSourceSelector

Return a DataSource according to the implemention.

Specified by:

get in interface DataSourceSelector

setTarget

public void setTarget(String name)

Description copied from interface: DataSourceSelector

Set the target DataSource name to return. Wether to use this or not, it's decided by the implemention.

Specified by:

setTarget in interface DataSourceSelector

getFullDataSourceMap

public Map<String,DataSource> getFullDataSourceMap()

getDataSourceMap

public Map<String,DataSource> getDataSourceMap()

getBlacklist

public List<DataSource> getBlacklist()

containInBlacklist

public boolean containInBlacklist(DataSource dataSource)

addBlacklist

public void addBlacklist(DataSource dataSource)

removeBlacklist

public void removeBlacklist(DataSource dataSource)

getHighAvailableDataSource

public HighAvailableDataSource getHighAvailableDataSource()

getValidateThread

public RandomDataSourceValidateThread getValidateThread()

setValidateThread

public void setValidateThread(RandomDataSourceValidateThread validateThread)

getRecoverThread

public RandomDataSourceRecoverThread getRecoverThread()

setRecoverThread

public void setRecoverThread(RandomDataSourceRecoverThread recoverThread)

getCheckingIntervalSeconds

public int getCheckingIntervalSeconds()

setCheckingIntervalSeconds

public void setCheckingIntervalSeconds(int checkingIntervalSeconds)

getRecoveryIntervalSeconds

public int getRecoveryIntervalSeconds()

setRecoveryIntervalSeconds

public void setRecoveryIntervalSeconds(int recoveryIntervalSeconds)

getValidationSleepSeconds

public int getValidationSleepSeconds()

setValidationSleepSeconds

public void setValidationSleepSeconds(int validationSleepSeconds)

getBlacklistThreshold

public int getBlacklistThreshold()

setBlacklistThreshold

public void setBlacklistThreshold(int blacklistThreshold)