Package org.hibernate.dialect.lock.internal

Class MySQLLockingSupport

java.lang.Object

org.hibernate.dialect.lock.internal.MySQLLockingSupport

All Implemented Interfaces:

LockingSupport, LockingSupport.Metadata

public class MySQLLockingSupport
extends Object
implements LockingSupport, LockingSupport.Metadata

LockingSupport for MySQLDialect

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MySQLLockingSupport.ConnectionLockTimeoutStrategyImpl

Nested classes/interfaces inherited from interface org.hibernate.dialect.lock.spi.LockingSupport

LockingSupport.Metadata

Field Summary

Fields

Modifier and Type	Field	Description
static final ConnectionLockTimeoutStrategy	MYSQL_CONN_LOCK_TIMEOUT_STRATEGY
static final LockingSupport	MYSQL_LOCKING_SUPPORT

Constructor Summary

Constructors

Constructor	Description
MySQLLockingSupport()
MySQLLockingSupport(DatabaseVersion version)

Method Summary

Modifier and Type	Method	Description
ConnectionLockTimeoutStrategy	getConnectionLockTimeoutStrategy()	Access to the delegate which can be used for applying lock timeouts using the JDBC connection, generally via execution of a command/statement.
LockTimeoutType	getLockTimeoutType(Timeout timeout)	How (if) this Dialect supports the given timeout value.
LockingSupport.Metadata	getMetadata()	Access to details about the locking capabilities of a Dialect.
OuterJoinLockingType	getOuterJoinLockingType()	The type of support for outer joins with pessimistic locking.
RowLockStrategy	getWriteRowLockStrategy()	The strategy for indicating which rows to lock as part of a for update of style clause.
boolean	supportsNoWait()	Whether the Dialect supports specifying no-wait via query options.
boolean	supportsSkipLocked()	Whether the Dialect supports specifying a skip-locked via query options.
boolean	supportsWait()	Whether the Dialect supports supplying specific lock timeout wait period via query options (e.g.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.dialect.lock.spi.LockingSupport.Metadata

getPessimisticLockStyle, getReadRowLockStrategy, supportsForUpdate

Field Details

MYSQL_CONN_LOCK_TIMEOUT_STRATEGY

public static final ConnectionLockTimeoutStrategy MYSQL_CONN_LOCK_TIMEOUT_STRATEGY

MYSQL_LOCKING_SUPPORT

public static final LockingSupport MYSQL_LOCKING_SUPPORT

Constructor Details

MySQLLockingSupport

public MySQLLockingSupport()

MySQLLockingSupport

public MySQLLockingSupport(DatabaseVersion version)

Method Details

getMetadata

public LockingSupport.Metadata getMetadata()

Description copied from interface: LockingSupport

Access to details about the locking capabilities of a Dialect.

Specified by:

getMetadata in interface LockingSupport

getLockTimeoutType

public LockTimeoutType getLockTimeoutType(Timeout timeout)

Description copied from interface: LockingSupport.Metadata

How (if) this Dialect supports the given timeout value.

Specified by:

getLockTimeoutType in interface LockingSupport.Metadata

See Also:

• LockingSupport.Metadata.getPessimisticLockStyle()

supportsWait

public boolean supportsWait()

Description copied from interface: LockingSupport.Metadata

Whether the Dialect supports supplying specific lock timeout wait period via query options (e.g. for update (of)

Specified by:

supportsWait in interface LockingSupport.Metadata

See Also:

• LockingSupport.Metadata.getPessimisticLockStyle()
• PessimisticLockStyle.CLAUSE
• PessimisticLockStyle.TABLE_HINT

supportsNoWait

public boolean supportsNoWait()

Description copied from interface: LockingSupport.Metadata

Whether the Dialect supports specifying no-wait via query options.

Specified by:

supportsNoWait in interface LockingSupport.Metadata

See Also:

• LockingSupport.Metadata.getPessimisticLockStyle()
• PessimisticLockStyle.CLAUSE
• PessimisticLockStyle.TABLE_HINT

supportsSkipLocked

public boolean supportsSkipLocked()

Description copied from interface: LockingSupport.Metadata

Whether the Dialect supports specifying a skip-locked via query options.

Specified by:

supportsSkipLocked in interface LockingSupport.Metadata

See Also:

• LockingSupport.Metadata.getPessimisticLockStyle()
• PessimisticLockStyle.CLAUSE
• PessimisticLockStyle.TABLE_HINT

getWriteRowLockStrategy

public RowLockStrategy getWriteRowLockStrategy()

Description copied from interface: LockingSupport.Metadata

The strategy for indicating which rows to lock as part of a for update of style clause.

Specified by:

getWriteRowLockStrategy in interface LockingSupport.Metadata

getOuterJoinLockingType

public OuterJoinLockingType getOuterJoinLockingType()

Description copied from interface: LockingSupport.Metadata

The type of support for outer joins with pessimistic locking.

Specified by:

getOuterJoinLockingType in interface LockingSupport.Metadata

getConnectionLockTimeoutStrategy

public ConnectionLockTimeoutStrategy getConnectionLockTimeoutStrategy()

Description copied from interface: LockingSupport

Access to the delegate which can be used for applying lock timeouts using the JDBC connection, generally via execution of a command/statement.

Specified by:

getConnectionLockTimeoutStrategy in interface LockingSupport