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java.lang.Objectorg.apache.jdo.impl.fostore.AbstractRequest
org.apache.jdo.impl.fostore.RollbackRequest
Represents a request to cause operations since the previous Commit or Rollback request to rollback.
Field Summary | |
protected FOStoreSchemaUID |
fsuid
uid corresponding to the same java.lang.Class that initializes jdoClass. |
protected JDOClass |
jdoClass
Class meta data of the object represented by the constructor's given state manager |
protected static int |
LENGTH_COOKIE
|
(package private) static org.apache.commons.logging.Log |
logger
Logger |
protected static I18NHelper |
msg
|
protected FOStoreOutput |
out
Stream to which request writes itself. |
protected FOStorePMF |
pmf
PersistenceManagerFactory via which request is being done. |
protected StateManagerInternal |
sm
The state manager which is the subject of this request. |
Constructor Summary | |
(package private) |
RollbackRequest(Message m,
FOStorePMF pmf)
|
Method Summary | |
void |
doRequest()
Does whatever it is that the kind of request does in actually making a request of the store. |
protected void |
doRequestBody()
Provides the information ecessary for a RollbackRequest. |
protected RequestId |
getId()
|
StateManagerInternal |
getStateManager()
Get the StateManager associated with this request, null if none. |
void |
handleReply(Status status,
java.io.DataInput in,
int length)
This should never be executed. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected StateManagerInternal sm
protected final FOStorePMF pmf
protected final FOStoreOutput out
protected JDOClass jdoClass
protected FOStoreSchemaUID fsuid
protected static final I18NHelper msg
static final org.apache.commons.logging.Log logger
protected static final int LENGTH_COOKIE
Constructor Detail |
RollbackRequest(Message m, FOStorePMF pmf)
Method Detail |
protected void doRequestBody() throws java.io.IOException
empty: that's right, there's nothing here; the request's existence is alone enough to cause a rollback.
doRequestBody
in class AbstractRequest
java.io.IOException
public void handleReply(Status status, java.io.DataInput in, int length) throws java.io.IOException
in
- the input stream.length
- the length of data in the stream.status
- Indication as to the success, failure, etc. of the
request as handled by the store.
java.io.IOException
- if any problems reading the stream.protected RequestId getId()
public final void doRequest() throws java.io.IOException
Request
doRequest
in interface Request
java.io.IOException
- in case of errors with the stream.Request.doRequest()
public StateManagerInternal getStateManager()
getStateManager
in interface Request
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