Top Description Fields Constructors Methods
org.apache.derby.impl.store.raw.data

public Class TruncateOnCommit

extends ContainerHandleActionOnCommit
Class Inheritance
Imports
org.apache.derby.iapi.services.monitor.DerbyObservable, org.apache.derby.iapi.store.raw.ContainerHandle, .ContainerLock, .Page, .LockingPolicy, .RecordHandle, .ContainerKey, org.apache.derby.iapi.store.raw.data.RawContainerHandle, org.apache.derby.iapi.store.raw.log.LogInstant, org.apache.derby.iapi.store.raw.xact.RawTransaction, org.apache.derby.iapi.services.locks.Lockable, org.apache.derby.catalog.UUID, org.apache.derby.shared.common.error.StandardException, org.apache.derby.shared.common.sanity.SanityManager
Truncate a temp table on a commit, abort or rollback to savepoint

Field Summary

Modifier and TypeField and Description
private boolean
commitAsWell

Truncate on a commit as well.

Constructor Summary

AccessConstructor and Description
public
TruncateOnCommit(ContainerKey identity, boolean commitAsWell)

Method Summary

Modifier and TypeMethod and Description
protected void
doIt(BaseContainerHandle handle)

Implements abstract org.apache.derby.impl.store.raw.data.ContainerHandleActionOnCommit.doIt.

public boolean
equals(Object
the reference object with which to compare.
other)

Overrides org.apache.derby.impl.store.raw.data.ContainerActionOnCommit.equals.

An equals method that returns true if the other obejct is a sub-class of this, and the container identities are equal *and* it is the same class as this.

public void
update(DerbyObservable
The object which is being observed
obj, Object
Extra information being passed to the callback
arg)

Implements org.apache.derby.iapi.services.monitor.DerbyObserver.update.

This is the callback method which is invoked when a change happens to the object which is being observed.

Inherited from org.apache.derby.impl.store.raw.data.ContainerHandleActionOnCommit:
openContainerAndDoIt

Field Detail

commitAsWellback to summary
private boolean commitAsWell

Truncate on a commit as well.

Constructor Detail

TruncateOnCommitback to summary
public TruncateOnCommit(ContainerKey identity, boolean commitAsWell)

Method Detail

doItback to summary
protected void doIt(BaseContainerHandle handle) throws StandardException

Implements abstract org.apache.derby.impl.store.raw.data.ContainerHandleActionOnCommit.doIt.

Exceptions
StandardException:
Standard Derby error policy
equalsback to summary
public boolean equals(Object other)

Overrides org.apache.derby.impl.store.raw.data.ContainerActionOnCommit.equals.

Doc from org.apache.derby.impl.store.raw.data.ContainerActionOnCommit.equals.

An equals method that returns true if the other obejct is a sub-class of this, and the container identities are equal *and* it is the same class as this.
This allows mutiple additions of value equality obejcts to the observer list while only retaining one.

Parameters
other:Object

Doc from java.lang.Object.equals.

the reference object with which to compare.

Returns:boolean

Doc from java.lang.Object.equals.

true if this object is the same as the obj argument; false otherwise.

updateback to summary
public void update(DerbyObservable obj, Object arg)

Implements org.apache.derby.iapi.services.monitor.DerbyObserver.update.

Doc from org.apache.derby.iapi.services.monitor.DerbyObserver.update.

This is the callback method which is invoked when a change happens to the object which is being observed.

Parameters
obj:DerbyObservable

The object which is being observed

arg:Object

Extra information being passed to the callback