Examples of org.datanucleus.store.fieldmanager.SingleValueFieldManager

Package org.datanucleus.store.fieldmanager

Examples of org.datanucleus.store.fieldmanager.SingleValueFieldManager

org.datanucleus.store.fieldmanager.SingleValueFieldManager
Field manager for single field. Stores only a single field value, unlike the StateFieldManager which stores various types.
The field number arguments to each method are ignored.


        // Update the field in our PC object
        synchronized (currFMmonitor)
        {
            FieldManager prevFM = currFM;
            currFM = new SingleValueFieldManager();


            try
            {
                currFM.storeObjectField(fieldNumber, value);
                pc.jdoReplaceField(fieldNumber);

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   * are creating.
   */
  void registerKey(StateManager stateMgr,
      DatastoreFieldManager fieldMgr) {
    DatastoreTable dt = fieldMgr.getDatastoreTable();
    SingleValueFieldManager sfv = new SingleValueFieldManager();
    Key key = fieldMgr.getEntity().getKey();
    for (AbstractMemberMetaData dependent : dt.getSameEntityGroupMemberMetaData()) {
      stateMgr.provideFields(new int[]{dependent.getAbsoluteFieldNumber()}, sfv);
      Object childValue = sfv.fetchObjectField(dependent.getAbsoluteFieldNumber());
      if (childValue != null) {
        if (childValue instanceof Object[]) {
          childValue  = Arrays.asList((Object[]) childValue);
        }
        if (childValue instanceof Iterable) {

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        if (om == null)
        {
            return ClassUtils.getValueOfFieldByReflection(object, fmd.getName());
        }
        StateManager sm = om.findStateManager(object);
        FieldManager fm = new SingleValueFieldManager();


        if (!fmd.isPrimaryKey())
        {
            // we expect that primary key field are non null
            om.getApiAdapter().isLoaded(sm, fmd.getAbsoluteFieldNumber());
        }
        sm.provideFields(new int[] {fmd.getAbsoluteFieldNumber()},fm);


        return fm.fetchObjectField(fmd.getAbsoluteFieldNumber());
    }

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Related Classes of org.datanucleus.store.fieldmanager.SingleValueFieldManager

org.datanucleus.state.AbstractStateManager

org.datanucleus.state.JDOStateManagerImpl

org.datanucleus.store.appengine.KeyRegistry

org.datanucleus.store.mapped.expression.ObjectLiteral

org.datanucleus.store.mapped.mapping.PersistableMapping

org.datanucleus.store.rdbms.sql.expression.ExpressionUtils

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