org.apache.jdo.impl.fostore
Class CreateOIDRequest

java.lang.Object
  extended byorg.apache.jdo.impl.fostore.AbstractRequest
      extended byorg.apache.jdo.impl.fostore.CreateOIDRequest
All Implemented Interfaces:
Request

class CreateOIDRequest
extends AbstractRequest

Causes a datastore OID to be associated with a provisional OID.

Author:
Dave Bristor

Field Summary
protected  FOStoreSchemaUID fsuid
          uid corresponding to the same java.lang.Class that initializes jdoClass.
protected  org.apache.jdo.model.jdo.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 org.apache.jdo.util.I18NHelper msg
           
private  OID oid
           
protected  FOStoreOutput out
          Stream to which request writes itself.
private  org.apache.jdo.pm.PersistenceManagerInternal pm
           
protected  FOStorePMF pmf
          PersistenceManagerFactory via which request is being done.
protected  org.apache.jdo.state.StateManagerInternal sm
          The state manager which is the subject of this request.
 
Constructor Summary
(package private) CreateOIDRequest(org.apache.jdo.state.StateManagerInternal sm, Message m, FOStorePMF pmf, OID oid, org.apache.jdo.pm.PersistenceManagerInternal pm)
           
 
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()
          Subclasses must implement in this method the actual writing of their Request type-specific data.
protected  RequestId getId()
           
 org.apache.jdo.state.StateManagerInternal getStateManager()
          Get the StateManager associated with this request, null if none.
 void handleReply(Status status, java.io.DataInput in, int length)
          Processes the results of the effect of the request in the store.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

oid

private final OID oid

pm

private final org.apache.jdo.pm.PersistenceManagerInternal pm

sm

protected org.apache.jdo.state.StateManagerInternal sm
The state manager which is the subject of this request.


pmf

protected final FOStorePMF pmf
PersistenceManagerFactory via which request is being done.


out

protected final FOStoreOutput out
Stream to which request writes itself.


jdoClass

protected org.apache.jdo.model.jdo.JDOClass jdoClass
Class meta data of the object represented by the constructor's given state manager


fsuid

protected FOStoreSchemaUID fsuid
uid corresponding to the same java.lang.Class that initializes jdoClass.


msg

protected static final org.apache.jdo.util.I18NHelper msg

logger

static final org.apache.commons.logging.Log logger
Logger


LENGTH_COOKIE

protected static final int LENGTH_COOKIE
See Also:
Constant Field Values
Constructor Detail

CreateOIDRequest

CreateOIDRequest(org.apache.jdo.state.StateManagerInternal sm,
                 Message m,
                 FOStorePMF pmf,
                 OID oid,
                 org.apache.jdo.pm.PersistenceManagerInternal pm)
Method Detail

doRequestBody

protected void doRequestBody()
                      throws java.io.IOException
Description copied from class: AbstractRequest
Subclasses must implement in this method the actual writing of their Request type-specific data.

Specified by:
doRequestBody in class AbstractRequest
Throws:
java.io.IOException

handleReply

public void handleReply(Status status,
                        java.io.DataInput in,
                        int length)
                 throws java.io.IOException
Description copied from interface: Request
Processes the results of the effect of the request in the store. To be invoked after the store has processed the request, and has returned information about that request, such as its status and any accompanying data.

Parameters:
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.
Throws:
java.io.IOException - if any problems reading the stream.

getId

protected RequestId getId()

doRequest

public final void doRequest()
                     throws java.io.IOException
Description copied from interface: Request
Does whatever it is that the kind of request does in actually making a request of the store.

Specified by:
doRequest in interface Request
Throws:
java.io.IOException - in case of errors with the stream.
See Also:
Request.doRequest()

getStateManager

public org.apache.jdo.state.StateManagerInternal getStateManager()
Get the StateManager associated with this request, null if none.

Specified by:
getStateManager in interface Request
Returns:
the StateManager.