Package org.jpox

Examples of org.jpox.StateManager

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                ObjectManager om = ownerSM.getObjectManager();
                Iterator iter = c.iterator();
                while (iter.hasNext())
                {
                    Object pc = iter.next();
                    StateManager objSM = om.findStateManager(pc);
                    if (objSM == null)
                    {
                        objSM = StateManagerFactory.newStateManagerForEmbedded(om, pc, false);
                        objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                    }
                }
            }

            if (backingStore != null && useCache && !isCacheLoaded)
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                ObjectManager om = ownerSM.getObjectManager();
                Iterator iter = c.iterator();
                while (iter.hasNext())
                {
                    Object pc = iter.next();
                    StateManager objSM = om.findStateManager(pc);
                    if (objSM == null)
                    {
                        objSM = StateManagerFactory.newStateManagerForEmbedded(om, pc, false);
                        objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                    }
                }
            }

            if (backingStore != null && useCache && !isCacheLoaded)
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                    Map.Entry entry = (Map.Entry)iter.next();
                    Object key = entry.getKey();
                    Object value = entry.getValue();
                    if (fmd.getMap().getKeyClassMetaData() != null)
                    {
                        StateManager objSM = om.findStateManager(key);
                        if (objSM == null)
                        {
                            objSM = StateManagerFactory.newStateManagerForEmbedded(om, key, false);
                            objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                        }
                    }
                    if (fmd.getMap().getValueClassMetaData() != null)
                    {
                        StateManager objSM = om.findStateManager(value);
                        if (objSM == null)
                        {
                            objSM = StateManagerFactory.newStateManagerForEmbedded(om,  value, false);
                            objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                        }
                    }
                }
            }
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                    Map.Entry entry = (Map.Entry)iter.next();
                    Object key = entry.getKey();
                    Object value = entry.getValue();
                    if (fmd.getMap().getKeyClassMetaData() != null)
                    {
                        StateManager objSM = om.findStateManager(key);
                        if (objSM == null)
                        {
                            objSM = StateManagerFactory.newStateManagerForEmbedded(om, key, false);
                            objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                        }
                    }
                    if (fmd.getMap().getValueClassMetaData() != null)
                    {
                        StateManager objSM = om.findStateManager(value);
                        if (objSM == null)
                        {
                            objSM = StateManagerFactory.newStateManagerForEmbedded(om, value, false);
                            objSM.addEmbeddedOwner(ownerSM, fieldNumber);
                        }
                    }
                }
            }
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            JavaTypeMapping idMapping = ((DatastoreClass)schemaDataOption.getDatastoreContainerObject()).getIDMapping();

            // We have to create a StateManager here just to map fields from the AppId key object
            // to the table fields. Really the table should have some way of doing this. TODO : Refactor this
            Class pc_class = om.getClassLoaderResolver().classForName(schemaDataOption.getName());
            StateManager sm = StateManagerFactory.newStateManagerForHollow(om,pc_class,id);
            ScalarExpression fieldExpr = idMapping.newScalarExpression(qs, qs.getMainTableExpression());
            ScalarExpression fieldValue = idMapping.newLiteral(qs, sm.getObject());
            qs.andCondition(fieldExpr.eq(fieldValue), true);
            // Discriminator for this class
            JavaTypeMapping discrimMapping = schemaDataOption.getDatastoreContainerObject().getDiscriminatorMapping(false);
            DiscriminatorMetaData discrimMetaData = cmd.getInheritanceMetaData().getDiscriminatorMetaData();
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        QueryExpression stmt = discrimStmt.getQueryStatement(null);

        // WHERE (object id) = ?
        // We have to create a StateManager here just to map fields from the AppId key object to the table fields.
        // Really the table should have some way of doing this. TODO : Refactor this
        StateManager sm = StateManagerFactory.newStateManagerForHollow(om, objectClass, id);
        JavaTypeMapping idMapping = primaryTable.getIDMapping();
        ScalarExpression fieldExpr = idMapping.newScalarExpression(stmt, stmt.getMainTableExpression());
        ScalarExpression fieldValue = idMapping.newLiteral(stmt, sm.getObject());
        stmt.andCondition(fieldExpr.eq(fieldValue), true);

        // Perform the query
        try
        {
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     * @param ownerSM the current StateManager
     */
    public void postInsert(StateManager ownerSM)
    {
        Object value = ownerSM.provideField(fmd.getAbsoluteFieldNumber());
        StateManager sm = null;
        if (value != null)
        {
            sm = ownerSM.getObjectManager().findStateManager(value);
            if (sm == null || sm.getObjectManager().getApiAdapter().getPersistenceManager(value) == null)
            {
                // Assign a StateManager to the serialised object since none present
                sm = StateManagerFactory.newStateManagerForEmbedded(ownerSM.getObjectManager(), value, false);
                sm.addEmbeddedOwner(ownerSM, fmd.getAbsoluteFieldNumber());
            }
        }

        if (sm != null)
        {
            sm.setStoringPC();
        }

        // Generate the contents for the BLOB
        byte[] bytes = new byte[0];
        if (value != null)
        {
            try
            {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                ObjectOutputStream oos = new ObjectOutputStream(baos);
                oos.writeObject(value);
                bytes = baos.toByteArray();
            }
            catch (IOException e1)
            {
                // Do Nothing
            }
        }

        // Update the BLOB
        OracleBlobRDBMSMapping.updateBlobColumn(ownerSM, getDatastoreContainer(), getDataStoreMapping(0), bytes);

        if (sm != null)
        {
            sm.unsetStoringPC();
        }
    }
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            // Element is embedded/serialised so has no id
        }
        else
        {
            ObjectManager om = sm.getObjectManager();
            StateManager elementSM = om.findStateManager(element);
            if (elementSM != null && elementSM.isEmbedded())
            {
                // Element is already with StateManager and is embedded in another field!
                throw new JPOXUserException(LOCALISER.msg("056028",
                    ownerMemberMetaData.getFullFieldName(), element));
            }
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                }
                statementExpressionIndex[absFieldNum].setParameterIndex(jdbcParamPositions);
            }
        }

        StateManager elementSM = getStateManagerForEmbeddedPCObject(sm, element, joinTable);
        elementSM.setPcObjectType(StateManager.EMBEDDED_COLLECTION_ELEMENT_PC);
        elementSM.provideFields(elementFieldNumbers, new ParameterSetter(elementSM, ps, statementExpressionIndex, true));

        return jdbcPosition;
    }
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        {
            // Ordered List - no index so null the FK (if nullable) or delete the element
            if (ownerMapping.isNullable())
            {
                // Nullify the FK
                StateManager elementSM = sm.getObjectManager().findStateManager(element);
                if (ownerMemberMetaData.getRelationType(clr) == Relation.ONE_TO_MANY_BI)
                {
                    // TODO Log this
                    elementSM.replaceField(ownerMemberMetaData.getRelatedMemberMetaData(clr)[0].getAbsoluteFieldNumber(),
                        null, true);
                    if (sm.getObjectManager().isFlushing())
                    {
                        elementSM.flush();
                    }
                }
                else
                {
                    updateElementFk(sm, element, null, -1);
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Related Classes of org.jpox.StateManager

  • org.jpox.jdo.JDOCallbackHandler
  • org.jpox.jdo.JPOXJDOHelper
  • org.jpox.jpa.EntityManagerImpl
  • org.jpox.sco.ArrayList
  • org.jpox.sco.Collection
  • org.jpox.sco.HashMap
  • org.jpox.sco.HashSet
  • org.jpox.sco.Hashtable
  • org.jpox.sco.LinkedHashMap
  • org.jpox.sco.LinkedHashSet
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