Package org.cyclos.impl.sql.postgresql

Class PostgresqlLockHandlerImpl

java.lang.Object

org.cyclos.impl.sql.BaseDbLockHandlerImpl

org.cyclos.impl.sql.postgresql.PostgresqlLockHandlerImpl

All Implemented Interfaces:

DbLockHandler

public class PostgresqlLockHandlerImpl
extends BaseDbLockHandlerImpl

Postgresql implementation for db locks

Field Summary

Fields inherited from class org.cyclos.impl.sql.BaseDbLockHandlerImpl

jdbcTemplate, KEEPALIVE_SECONDS, VALID_SECONDS

Constructor Summary

Constructors

Constructor	Description
PostgresqlLockHandlerImpl(JdbcTemplate jdbcTemplate)

Method Summary

Modifier and Type	Method	Description
protected void	create(String hostId)
protected DbLock	doRead()
void	keepalive()
void	prepare()	Makes sure the table exists
void	unlock()	Delete the row
protected boolean	update(String hostId, int version)

Methods inherited from class org.cyclos.impl.sql.BaseDbLockHandlerImpl

lock, read, shutdown, sleepUntilTryingAgain, throwAlreadyLocked

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgresqlLockHandlerImpl

public PostgresqlLockHandlerImpl(JdbcTemplate jdbcTemplate)

Method Detail

keepalive

public void keepalive()

Specified by:

keepalive in class BaseDbLockHandlerImpl

prepare

public void prepare()

Description copied from interface: DbLockHandler

Makes sure the table exists

unlock

public void unlock()

Description copied from interface: DbLockHandler

Delete the row

create

protected void create(String hostId)

Specified by:

create in class BaseDbLockHandlerImpl

doRead

protected DbLock doRead()

Specified by:

doRead in class BaseDbLockHandlerImpl

update

protected boolean update(String hostId,
                         int version)

Specified by:

update in class BaseDbLockHandlerImpl