com.agimatec.dbmigrate.util
Class BusyLocker

java.lang.Object
  com.agimatec.dbmigrate.util.BusyLocker

public class BusyLocker
extends Object

Description: Implements the behavior to prevent dbmigrate to execute more than once at the same time on the same database
It INSERTs a "busy" version into the database and DELETEs it afterwards.

Date: 14.10.14

Since:

2.5.19

Field Summary

protected String	BUSY_VERSION
protected static org.slf4j.Logger	log
protected boolean	ownLock

Constructor Summary

BusyLocker()

Method Summary

int	getDelayBetweenAttempts()
int	getMaxAttempts()
boolean	isEnabled(DBVersionMeta dbVersionMeta)
boolean	isOwnLock()
void	lockBusy(DBVersionMeta dbVersionMeta, JdbcDatabase database)
void	setDelayBetweenAttempts(int delayBetweenAttempts)
void	setMaxAttempts(int maxAttempts)
void	setOwnLock(boolean ownLock)
void	unlockBusy(DBVersionMeta dbVersionMeta, JdbcDatabase database)

Methods inherited from class java.lang.Object

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

Field Detail

BUSY_VERSION

protected final String BUSY_VERSION

See Also:

Constant Field Values

log

protected static final org.slf4j.Logger log

ownLock

protected boolean ownLock

Constructor Detail

BusyLocker

public BusyLocker()

Method Detail

getMaxAttempts

public int getMaxAttempts()

setMaxAttempts

public void setMaxAttempts(int maxAttempts)

getDelayBetweenAttempts

public int getDelayBetweenAttempts()

setDelayBetweenAttempts

public void setDelayBetweenAttempts(int delayBetweenAttempts)

isEnabled

public boolean isEnabled(DBVersionMeta dbVersionMeta)

lockBusy

public void lockBusy(DBVersionMeta dbVersionMeta,
                     JdbcDatabase database)

isOwnLock

public boolean isOwnLock()

setOwnLock

public void setOwnLock(boolean ownLock)

unlockBusy

public void unlockBusy(DBVersionMeta dbVersionMeta,
                       JdbcDatabase database)