Examples of com.sun.jdo.spi.persistence.support.sqlstore.StateManager

Package com.sun.jdo.spi.persistence.support.sqlstore

Examples of com.sun.jdo.spi.persistence.support.sqlstore.StateManager

com.sun.jdo.spi.persistence.support.sqlstore.StateManager
An object that manages the state transitions and the contents of the fields of a JDO Instance. If a JDO Instance is persistent or transactional, it contains a non-null reference to a JDO StateManager instance which is responsible for managing the JDO Instance state changes and for interfacing with the JDO PersistenceManager. Additionally, Persistent JDO Instances refers to an instance of the JDO StateManager instance responsible for the state transitions of the instance as well as managing the contents of the fields of the instance. The JDO StateManager interface is the primary interface used by the JDO Instance to mediate life cycle changes. Non-transient JDO Instances always contain a non-null reference to an associated JDO StateManager instance. When a First Class Object is instantiated in the JVM, the JDO implementation assigns to fields with a Tracked Second Class Object type a new instance that tracks changes made to itself, and notifies the StateManager of the owning First Class Object of the change.

     */
    public StateManager makeDirty()
    {
  if (owner != null) 
        {
                StateManager stateManager = owner.jdoGetStateManager(); 
                if (stateManager != null) 
                { 
                        stateManager.makeDirty(fieldName); 
                } 
                  
                return stateManager; 
  } 
        return null;

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     */
    public StateManager makeDirty()
    {
    if (owner != null)
        {
      StateManager stateManager = owner.jdoGetStateManager();
      
      if (stateManager != null)
      {
        PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


        pm.acquireShareLock();
        
        try
        {
          synchronized (stateManager)
          {
            //
            // Need to recheck owner because it could be set to
            // null before we lock the stateManager.
            //
            if (owner != null)
            {
              stateManager.makeDirty(fieldName);
              return stateManager;
            }
          }
        }
        finally

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                                       new ClassCastException(), new Object[] {o});
        }


        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                boolean modified = false;


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                       // Mark the field as dirty
                       stateManager.makeDirty(fieldName);


                       modified = super.add(o);


                       if (modified)
                       {
                           if (removed.remove(o) == false)
                           {
                               added.add(o);
                           }
                           stateManager.applyUpdates(fieldName, this);
                       }
                       return modified;
                    }
                    finally
                    {

View Full Code Here


        boolean modified = false;


        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                        // Mark the field as dirty
                        stateManager.makeDirty(fieldName);


                        for (Iterator iter = c.iterator(); iter.hasNext();)
                        {
                            Object o = iter.next();
                            if (!super.contains(o))
                            {
                                if (removed.remove(o) == false)
                                {
                                    added.add(o);
                                }


                                super.add(o);
                                modified = true;
                            }
                        }


                        // Apply updates
                        if (modified)
                        {
                            stateManager.applyUpdates(fieldName, this);
                        }
                        return modified;
                    }
                    finally
                    {

View Full Code Here

    {
    // Mark the field as dirty


        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                        stateManager.makeDirty(fieldName);


                        boolean modified = super.remove(o);


                        if (modified)
                        {
                            if (added.remove(o) == false)
                            {
                                removed.add(o);
                            }


                            stateManager.applyUpdates(fieldName, this);
                        }


                        return modified;
                    }
                    finally

View Full Code Here

    {
        // Mark the field as dirty


        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                        stateManager.makeDirty(fieldName);


                        for (Iterator iter = c.iterator(); iter.hasNext();)
                        {
                            Object o = iter.next();
                            if (super.contains(o))
                            {
                                if (added.remove(o) == false)
                                {
                                    removed.add(o);
                                }
                            }
                        }


                        boolean modified = super.removeAll(c);


                        // Apply updates
                        if (modified)
                        {
                            stateManager.applyUpdates(fieldName, this);
                        }


                        return modified;
                    }
                    finally

View Full Code Here

     */
    public boolean retainAll(Collection c)
    {
        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                        // Mark the field as dirty
                        stateManager.makeDirty(fieldName);


                        for (Iterator iter = super.iterator(); iter.hasNext();)
                        {
                            Object o = iter.next();
                            if (!c.contains(o))
                            {
                                if (added.remove(o) == false)
                                {
                                    removed.add(o);
                                }
                            }
                        }


                        boolean modified = super.retainAll(c);


                        // Apply updates


                        if (modified)
                        {
                            stateManager.applyUpdates(fieldName, this);
                        }


                        return modified;
                    }
                    finally

View Full Code Here

     */
    public void clear()
    {
        if (owner != null)
        {
            StateManager stateManager = owner.jdoGetStateManager();


            if (stateManager != null)
            {
                PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                pm.acquireShareLock();


                try
                {
                    pm.acquireFieldUpdateLock();
                    try
                    {
                        // Mark the field as dirty
                        stateManager.makeDirty(fieldName);


                        removed.clear();
                        added.clear();


                        for (Iterator iter = super.iterator(); iter.hasNext();)
                        {
                            removed.add(iter.next());
                        }


                        super.clear();


                        // Apply updates
                        stateManager.applyUpdates(fieldName, this);
                        return;
                    }
                    finally
                    {
                        pm.releaseFieldUpdateLock();

View Full Code Here

    /**
     * Marks object dirty
     */
    public StateManager makeDirty()
    {
        StateManager stateManager = owner.jdoGetStateManager();


        if (stateManager != null)
        {
            stateManager.makeDirty(fieldName);
        }


        return stateManager;
    }

View Full Code Here

            if (lastReturned == null)
                throw new IllegalStateException();


            if (_caller.owner != null) {
                // Mark the field as dirty
                StateManager stateManager = _caller.owner.jdoGetStateManager();


                if (stateManager != null) {
                    PersistenceManager pm = (PersistenceManager) stateManager.getPersistenceManagerInternal();


                    pm.acquireShareLock();


                    try {
                        pm.acquireFieldUpdateLock();
                        try
                        {
                            stateManager.makeDirty(_caller.fieldName);


                            _iterator.remove();


                            if (added.remove(lastReturned) == false) {
                                removed.add(lastReturned);
                            }


                            stateManager.applyUpdates(_caller.fieldName, _caller);


                        } finally {
                            pm.releaseFieldUpdateLock();
                        }
                    }

View Full Code Here

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