Java Doc for ContainerLocking2.java in » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » store » raw » xact » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.store.raw.xact

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.apache.derby.impl.store.raw.xact .NoLocking

org.apache.derby.impl.store.raw.xact .ContainerLocking2

ContainerLocking2
public class ContainerLocking2 extends NoLocking (Code)
	A locking policy that implements container level locking with isolation degree 2. See Also: org.apache.derby.iapi.store.raw.LockingPolicy

Constructor Summary
protected	ContainerLocking2()
protected	ContainerLocking2(LockFactory lf)

Method Summary
public int	getMode()
public boolean	lockContainer(Transaction t, ContainerHandle container, boolean waitForLock, boolean forUpdate) Obtain a Container shared or exclusive lock until the end of the nested transaction.
public void	unlockContainer(Transaction t, ContainerHandle container) Unlock read locks. In Cursor stability release all read locks obtained.

Constructor Detail

ContainerLocking2
protected ContainerLocking2()(Code)

ContainerLocking2
protected ContainerLocking2(LockFactory lf)(Code)

Method Detail

getMode
public int getMode()(Code)

lockContainer
public boolean lockContainer(Transaction t, ContainerHandle container, boolean waitForLock, boolean forUpdate) throws StandardException(Code)
	Obtain a Container shared or exclusive lock until the end of the nested transaction. exception: StandardException - Standard Cloudscape error policy

unlockContainer

public void unlockContainer(Transaction t, ContainerHandle container)(Code)

Unlock read locks.

In Cursor stability release all read locks obtained. unlockContainer() will be called when the container is closed.

Parameters:
t - The transaction to associate the lock with.
Parameters:
container - Container to unlock.

Methods inherited from org.apache.derby.impl.store.raw.xact.NoLocking

public int getMode()(Code)(Java Doc)
public boolean lockContainer(Transaction t, ContainerHandle container, boolean waitForLock, boolean forUpdate) throws StandardException(Code)(Java Doc)
public boolean lockRecordForRead(Transaction t, ContainerHandle container, RecordHandle record, boolean waitForLock, boolean forUpdate) throws StandardException(Code)(Java Doc)
public void lockRecordForRead(Latch latch, RecordHandle record, boolean forUpdate) throws StandardException(Code)(Java Doc)
public boolean lockRecordForWrite(Transaction t, RecordHandle record, boolean lockForInsert, boolean waitForLock) throws StandardException(Code)(Java Doc)
public void lockRecordForWrite(Latch latch, RecordHandle record) throws StandardException(Code)(Java Doc)
public void unlockContainer(Transaction t, ContainerHandle container)(Code)(Java Doc)
public void unlockRecordAfterRead(Transaction t, ContainerHandle container, RecordHandle record, boolean forUpdate, boolean row_qualified) throws StandardException(Code)(Java Doc)
public boolean zeroDurationLockRecordForWrite(Transaction t, RecordHandle record, boolean lockForPreviousKey, boolean waitForLock) throws StandardException(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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