Examples of org.jpox.store.fieldmanager.FieldManager

org.jpox.store.fieldmanager.FieldManager
Provide methods to fetch from/to a persistable object to/from the StateManager/DataStore. @version $Revision: 1.3 $

                {
                    if (myOM.getMetaDataManager().getMetaDataForClass(fmd.getType(), getObjectManager().getClassLoaderResolver()) != null)
                    {
                        synchronized (currFMmonitor)
                        {
                            FieldManager prevFM = currFM;
                            try
                            {
                                currFM = new SingleValueFieldManager();
                                myPC.jdoProvideField(fieldNumber);
                                PersistenceCapable pkFieldPC =

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    private Object provideField(PersistenceCapable pc, int fieldNumber)
    {
        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);

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     */
    public void provideFields(int fieldNumbers[], FieldManager fm)
    {
        synchronized (currFMmonitor)
        {
            FieldManager prevFM = currFM;
            currFM = fm;


            try
            {
                // This will respond by calling this.providedXXXFields() with the value of the field

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     */
    public void replaceFields(int fieldNumbers[], FieldManager fm, boolean replaceWhenDirty)
    {
        synchronized (currFMmonitor)
        {
            FieldManager prevFM = currFM;
            currFM = fm;


            try
            {
                int[] fieldsToReplace = fieldNumbers;

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     */
    public void replaceNonLoadedFields(int fieldNumbers[], FieldManager fm)
    {
        synchronized (currFMmonitor)
        {
            FieldManager prevFM = currFM;
            currFM = fm;


            boolean callPostLoad = myFP.isToCallPostLoadFetchPlan(this.loadedFields);
            try
            {

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                // Unload any loaded fetch-plan fields that aren't in the current fetch plan
                unloadNonFetchPlanFields();
            }


            // Detach all (loaded) fields in the FetchPlan
            FieldManager detachFieldManager = new DetachFieldManager(this, getSecondClassMutableFields(), myFP, 
                state, false);
            for (int i = 0; i < loadedFields.length; i++)
            {
                if (loadedFields[i])
                {
                    try
                    {
                        // Just fetch the field since we are usually called in postCommit() so dont want to update it
                        detachFieldManager.fetchObjectField(i);
                    }
                    catch (EndOfFetchPlanGraphException eofpge)
                    {
                        Object value = provideField(i);
                        if (api.isPersistable(value))

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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.FieldManager

org.jpox.state.JDOStateManagerImpl

org.jpox.store.mapped.expression.ObjectLiteral

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