io.jmix.core.pessimisticlocking.impl

Class LockManagerImpl

java.lang.Object

io.jmix.core.pessimisticlocking.impl.LockManagerImpl

All Implemented Interfaces:

LockManager

@Component(value="core_LockManager")
public class LockManagerImpl
extends java.lang.Object
implements LockManager

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	LockManagerImpl.LockKey

Field Summary

Fields

Modifier and Type	Field and Description
protected org.springframework.cache.CacheManager	cacheManager
protected CacheOperations	cacheOperations
protected java.util.Map<java.lang.String,LockDescriptor>	config
protected CurrentAuthentication	currentAuthentication
protected ExtendedEntities	extendedEntities
protected java.util.List<LockDescriptorProvider>	lockDescriptorProviders
protected org.springframework.cache.Cache	locks
protected static org.slf4j.Logger	log
protected Metadata	metadata
protected MetadataTools	metadataTools
protected TimeSource	timeSource

Fields inherited from interface io.jmix.core.pessimisticlocking.LockManager

LOCKS_CACHE_NAME

Constructor Summary

Constructors

Constructor and Description
LockManagerImpl()

Method Summary

Modifier and Type	Method and Description
void	expireLocks() Process locks expiring.
protected java.util.Map<java.lang.String,LockDescriptor>	getConfig()
java.util.Collection<LockInfo>	getCurrentLocks() Collection of current locks
LockInfo	getLockInfo(java.lang.String name, java.lang.String id) Get locking status for particular object
protected void	init()
LockInfo	lock(java.lang.Object entity) Try to lock an entity.
LockInfo	lock(java.lang.String name, java.lang.String id) Try to lock an arbitrary object.
void	reloadConfiguration()
void	unlock(java.lang.Object entity) Unlock an entity.
void	unlock(java.lang.String name, java.lang.String id) Unlock an arbitrary object.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.slf4j.Logger log

config

protected volatile java.util.Map<java.lang.String,LockDescriptor> config

locks

protected org.springframework.cache.Cache locks

extendedEntities

@Autowired
protected ExtendedEntities extendedEntities

metadata

@Autowired
protected Metadata metadata

metadataTools

@Autowired
protected MetadataTools metadataTools

timeSource

@Autowired
protected TimeSource timeSource

currentAuthentication

@Autowired
protected CurrentAuthentication currentAuthentication

cacheManager

@Autowired
protected org.springframework.cache.CacheManager cacheManager

cacheOperations

@Autowired
protected CacheOperations cacheOperations

lockDescriptorProviders

@Autowired
protected java.util.List<LockDescriptorProvider> lockDescriptorProviders

Constructor Detail

LockManagerImpl

public LockManagerImpl()

Method Detail

init

@PostConstruct
protected void init()

getConfig

protected java.util.Map<java.lang.String,LockDescriptor> getConfig()

lock

public LockInfo lock(java.lang.String name,
                     java.lang.String id)

Description copied from interface: LockManager

Try to lock an arbitrary object.

Specified by:

lock in interface LockManager

Parameters:

name - locking object name

id - locking object ID

Returns:

- null in case of successful lock,
- LockNotSupported instance in case of locking is not configured for this object,
- LockInfo instance in case of this object is already locked by someone

lock

@Nullable
public LockInfo lock(java.lang.Object entity)

Description copied from interface: LockManager

Try to lock an entity.

Specified by:

lock in interface LockManager

Parameters:

entity - entity instance

Returns:

- null in case of successful lock,
- LockNotSupported instance in case of locking is not configured for this entity,
- LockInfo instance in case of this entity is already locked by someone

unlock

public void unlock(java.lang.String name,
                   java.lang.String id)

Description copied from interface: LockManager

Unlock an arbitrary object.

Specified by:

unlock in interface LockManager

Parameters:

name - locking object name

id - locking object ID

unlock

public void unlock(java.lang.Object entity)

Description copied from interface: LockManager

Unlock an entity.

Specified by:

unlock in interface LockManager

Parameters:

entity - entity instance

getLockInfo

public LockInfo getLockInfo(java.lang.String name,
                            java.lang.String id)

Description copied from interface: LockManager

Get locking status for particular object

Specified by:

getLockInfo in interface LockManager

Parameters:

name - locking object name

id - locking object ID

Returns:

- null in case of no lock,
- LockNotSupported instance in case of locking is not configured for this object,
- LockInfo instance in case of this object is locked by someone

getCurrentLocks

public java.util.Collection<LockInfo> getCurrentLocks()

Description copied from interface: LockManager

Collection of current locks

Specified by:

getCurrentLocks in interface LockManager

expireLocks

public void expireLocks()

Description copied from interface: LockManager

Process locks expiring. All expired locks will be removed.

Specified by:

expireLocks in interface LockManager

reloadConfiguration

public void reloadConfiguration()

Specified by:

reloadConfiguration in interface LockManager