Examples of org.jpox.store.fieldmanager.SingleValueFieldManager

org.jpox.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. @version $Revision: 1.2 $

                        synchronized (currFMmonitor)
                        {
                            FieldManager prevFM = currFM;
                            try
                            {
                                currFM = new SingleValueFieldManager();
                                myPC.jdoProvideField(fieldNumber);
                                PersistenceCapable pkFieldPC = 
                                    (PersistenceCapable) ((SingleValueFieldManager) currFM).fetchObjectField(fieldNumber);
                                if (pkFieldPC == null)
                                {

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            int[] secondClassMutableFieldNumbers = getSecondClassMutableFieldNumbers();


            // Make sure all SCO lazy-loaded fields have been loaded
            for (int i=0;i<secondClassMutableFieldNumbers.length;i++)
            {
                SingleValueFieldManager sfv = new SingleValueFieldManager();
                provideFields(new int[]{secondClassMutableFieldNumbers[i]}, sfv);
                Object value = sfv.fetchObjectField(i);
                if (value instanceof SCOContainer)
                {
                    ((SCOContainer)value).load();
                }
            }

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    {
        Object obj;
        synchronized (currFMmonitor)
        {
            FieldManager prevFM = currFM;
            currFM = new SingleValueFieldManager();
            try
            {
                pc.jdoProvideField(fieldNumber);
                obj = currFM.fetchObjectField(fieldNumber);
            }

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        // 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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        if (om == null)
        {
            return getFieldValue(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.jpox.store.fieldmanager.SingleValueFieldManager

org.jpox.state.JDOStateManagerImpl

org.jpox.store.mapped.expression.ObjectLiteral

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