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.

        synchronized (myOM.getReadWriteLock())
        {
            synchronized (readWriteLock)
            {
                FieldManager prevFM = currFM;
                currFM = new SingleValueFieldManager();
                try
                {
                    pc.jdoProvideField(fieldNumber);
                    obj = currFM.fetchObjectField(fieldNumber);
                }

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        synchronized (myOM.getReadWriteLock())
        {
            synchronized (readWriteLock) 
            {
                FieldManager prevFM = currFM;
                currFM = new SingleValueFieldManager();


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

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                            synchronized (readWriteLock)
                            {
                                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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        {
            // Make sure the field is loaded
            ec.getApiAdapter().isLoaded(sm, mmd.getAbsoluteFieldNumber());
        }


        FieldManager fm = new SingleValueFieldManager();
        sm.provideFields(new int[] {mmd.getAbsoluteFieldNumber()}, fm);
        return fm.fetchObjectField(mmd.getAbsoluteFieldNumber());
    }

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            if (!mmd.isPrimaryKey())
            {
                // Make sure the field is loaded
                nucleusCtx.getApiAdapter().isLoaded(sm, mmd.getAbsoluteFieldNumber());
            }
            FieldManager fm = new SingleValueFieldManager();
            sm.provideFields(new int[] {mmd.getAbsoluteFieldNumber()}, fm);
            return fm.fetchObjectField(mmd.getAbsoluteFieldNumber());
        }
        else if (cmd.getIdentityType() == IdentityType.DATASTORE)
        {
            OID oid = (OID)nucleusCtx.getApiAdapter().getIdForObject(value);
            return oid != null ? oid.getKeyValue() : null;

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            if (!mmd.isPrimaryKey())
            {
                // Make sure the field is loaded
                sm.isLoaded(mmd.getAbsoluteFieldNumber());
            }
            FieldManager fm = new SingleValueFieldManager();
            sm.provideFields(new int[] {mmd.getAbsoluteFieldNumber()}, fm);
            return fm.fetchObjectField(mmd.getAbsoluteFieldNumber());
        }
        else if (cmd.getIdentityType() == IdentityType.DATASTORE)
        {
            OID oid = (OID)nucleusCtx.getApiAdapter().getIdForObject(value);
            return oid != null ? oid.getKeyValue() : null;

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                        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();
                }
            }

View Full Code Here

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

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