Examples of org.datanucleus.state.ObjectProvider.provideField()

Class org.datanucleus.state.ObjectProvider

Examples of org.datanucleus.state.ObjectProvider.provideField()

org.datanucleus.state.ObjectProvider.provideField()

      // TODO This is really "ManagedRelationships" so needs to go in RelationshipManager
      ObjectProvider elementOP = ec.findObjectProvider(element);
      if (relationType == RelationType.ONE_TO_MANY_BI) {
        // Managed Relations : 1-N bidir, so update the owner of the element
        elementOP.isLoaded(getFieldNumberInElementForBidirectional(elementOP)); // Ensure is loaded
        Object oldOwner = elementOP.provideField(getFieldNumberInElementForBidirectional(elementOP));
        if (oldOwner != newOwner) {
          if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("055009", StringUtils.toJVMIDString(op.getObject()),
                ownerMemberMetaData.getFullFieldName(), StringUtils.toJVMIDString(element)));
          }

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      if (relationType == RelationType.ONE_TO_MANY_BI) {
        if (!ec.getApiAdapter().isDeleted(elementToRemove)) {
          // Find the existing owner if the record hasn't already been deleted
          int elemOwnerFieldNumber = getFieldNumberInElementForBidirectional(elementOP);
          elementOP.isLoaded(elemOwnerFieldNumber);
          oldOwner = elementOP.provideField(elemOwnerFieldNumber);
        }
      }
      if (RelationType.isBidirectional(relationType) && oldOwner != op.getObject() && oldOwner != null) {
        // Owner of the element has been changed, so reject it
        return false;

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                if (relatedMmd == null)
                {
                    // Fsck knows why
                    throw new NucleusUserException("You have a field " + mmd.getFullFieldName() + " that is 1-1 bidir yet cannot find the equivalent field at the other side. Why is that?");
                }
                Object relatedValue = otherSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                if (relatedValue == null)
                {
                    // Managed Relations : Other side not set so update it in memory
                    if (NucleusLogger.PERSISTENCE.isDebugEnabled())
                    {

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                // TODO Make sure we have this PC in the collection at the other side
                ObjectProvider otherSM = sm.getExecutionContext().findObjectProvider(pc);
                if (otherSM != null)
                {
                    // Managed Relations : add to the collection on the other side
                    Collection relatedColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                    if (relatedColl != null && !(relatedColl instanceof SCOCollection))
                    {
                        // TODO Make sure the collection is a wrapper
                        boolean contained = relatedColl.contains(sm.getObject());
                        if (!contained)

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                {
                    ObjectProvider otherSM = ec.findObjectProvider(pc);
                    if (otherSM != null)
                    {
                        // Managed Relations : 1-1 bidir, so null out the object at the other
                        Object currentValue = otherSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                        if (currentValue != null)
                        {
                            if (NucleusLogger.PERSISTENCE.isDebugEnabled())
                            {
                                NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("041019",

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            }
            else if (!hasFK)
            {
                if (isNullable())
                {
                    Object currentRelatedValue = otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                    if (currentRelatedValue != null)
                    {
                        // Null out the FK in the datastore using a direct update (since we are deleting)
                        otherSM.replaceFieldMakeDirty(relatedMmds[0].getAbsoluteFieldNumber(), null);
                        storeMgr.getPersistenceHandler().updateObject(

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                                // Make sure the other object is updated in any caches
                                ec.markDirty(otherSM, false);


                                // Make sure collection field is loaded
                                otherSM.isLoaded(relatedMmds[0].getAbsoluteFieldNumber());
                                Collection otherColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                                if (otherColl != null)
                                {
                                    if (ec.getManageRelations())
                                    {
                                        otherSM.getExecutionContext().getRelationshipManager(otherSM).relationRemove(

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                            // Make sure the other object is updated in any caches
                            ec.markDirty(otherSM, false);


                            // Make sure the other object has the collection loaded so does this change
                            otherSM.isLoaded(relatedMmds[0].getAbsoluteFieldNumber());
                            Collection otherColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                            if (otherColl != null)
                            {
                                // TODO Localise this
                                NucleusLogger.PERSISTENCE.debug("ManagedRelationships : delete of object causes removal from collection at " + relatedMmds[0].getFullFieldName());
                                otherColl.remove(sm.getObject());

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              break;
            }
          }
          if (nullMmd != null) {
            int nullFieldPos = embeddedOP.getClassMetaData().getAbsolutePositionOfMember(nullMmd.getName());
            Object val = embeddedOP.provideField(nullFieldPos);
            if (val == null && nullValue == null) {
              return null;
            } else if (val != null && nullValue != null && val.equals(nullValue)) {
              return null;
            }

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                // Retrieve value of member from Embedded StateManager
                int embAbsFieldNum = embCmd.getAbsolutePositionOfMember(mapping.getMemberMetaData().getName());
                if (embAbsFieldNum >= 0)
                {
                    // Member is present in this embedded type
                    Object fieldValue = embSM.provideField(embAbsFieldNum);
                    if (mapping instanceof EmbeddedPCMapping)
                    {
                        mapping.setObject(ec, ps, posMapping, fieldValue, embSM, embAbsFieldNum);
                    }
                    else

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