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 synchronized Object remove(int index) {


  throwUnsupportedOption();


  // Mark the field as dirty
  StateManager stateManager = this.makeDirty();


        Object obj = super.remove(index);


        if (added.remove(obj) == false)
    removed.add(obj);

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                                "sco.classcastexception", elementType.getName()), // NOI18N
         new ClassCastException(), errc.toArray());
  }


  // Mark the field as dirty
  StateManager stateManager = this.makeDirty();


        removed.removeAll(c);
  added.addAll(c);


  boolean modified = super.addAll(c);

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     * @see java.util.Vector 
     */   
    public synchronized boolean removeAll(Collection c) {
        boolean modified = false;
  // Mark the field as dirty
  StateManager stateManager = this.makeDirty();


        Iterator e = c.iterator();
        while (e.hasNext()) {
                Object o = e.next();
                if(super.contains(o)) {

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                                "sco.classcastexception", elementType.getName()), // NOI18N
         new ClassCastException(), errc.toArray());
        }


  // Mark the field as dirty
  StateManager stateManager = this.makeDirty();


        removed.removeAll(c); 
        added.addAll(c); 


        boolean modified = super.addAll(index, c);

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    public synchronized boolean retainAll(Collection c)  {
  boolean modified = false;
        java.util.Vector v = new java.util.Vector();


  // Mark the field as dirty
  StateManager stateManager = this.makeDirty();


        for (Iterator iter = super.iterator(); iter.hasNext();)
        {
                Object o = iter.next();
                if (!c.contains(o))

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     */
    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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     */
    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
                    {

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                            messages,
                            "jdo.versionconsistencycacheimpl.put.entering", // NOI18N
                            new Object[] {pcType, oid, sm}));
        }


        StateManager rc = null;
        VCCache oid2sm = null;
        synchronized (pcTypeMap) {
            oid2sm = (VCCache) pcTypeMap.get(pcType);
    
            if (null == oid2sm) {

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