Examples of com.sun.sgs.app.DataManager.createReference()

com.sun.sgs.app.DataManager.createReference()
Creates a managed reference to an object, storing the object in the data manager if it is transient. Applications should use managed references when a managed object refers to another managed object, either directly or indirectly through non-managed objects. @param < T> the type of the object @param object the object @return the managed reference @throws IllegalArgumentException if object does notimplement both {@link ManagedObject} and {@link Serializable} @throws ObjectNotFoundException if the object has been removed @throws TransactionException if the operation failed because of aproblem with the current transaction

            this.sender = sender;
            this.count = count;
            
            // create managed references
            DataManager dm = AppContext.getDataManager();
            opsRef = dm.createReference(new OpsList());
        }
        
        public void startRevalidate() {    
        }

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        // must save a ManagedReference to the item.


        DataManager dataManager = AppContext.getDataManager();
        dataManager.markForUpdate(this);


        return items.add(dataManager.createReference(item));
    }


    /**
     * Adds a player to this room.
     *

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            new Object[] { player, this });


        DataManager dataManager = AppContext.getDataManager();
        dataManager.markForUpdate(this);


        return players.add(dataManager.createReference(player));
    }


    /**
     * Removes a player from this room.
     *

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            new Object[] { player, this });


        DataManager dataManager = AppContext.getDataManager();
        dataManager.markForUpdate(this);


        return players.remove(dataManager.createReference(player));
    }


    /**
     * Returns a description of what the given player sees in this room.
     *

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     */
    protected void setSession(ClientSession session) {
        DataManager dataMgr = AppContext.getDataManager();
        dataMgr.markForUpdate(this);


        currentSessionRef = dataMgr.createReference(session);


        logger.log(Level.INFO,
            "Set session for {0} to {1}",
            new Object[] { this, session });
    }

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        if (room == null) {
            currentRoomRef = null;
            return;
        }


        currentRoomRef = dataManager.createReference(room);
    }


    /** {@inheritDoc} */
    @Override
    public String toString() {

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        if (room == null) {
            roomRef = null;
            return;
        }


        roomRef = dataManager.createReference(room);
    }


    /**
     * {@inheritDoc}
     * <p>

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     * view.
     * @param view the view associated with this cache
     */
    public ViewCellCacheMO(ViewCellMO view) {
        DataManager dm = AppContext.getDataManager();
        viewRef = dm.createReference(view);
    }


    /**
     * Gets the ViewCellMO associated with this ViewCellCacheMO.
     */

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        if (session == null) {
            throw new NullPointerException("null session");
        }


        DataManager dataMgr = AppContext.getDataManager();
        sessionRef = dataMgr.createReference(session);
        sessionName = session.getName();
        
        // Join the session to all channels.  We obtain the channel
        // in two different ways, by reference and by name.
        ChannelManager channelMgr = AppContext.getChannelManager();

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        if (subTask == null) {
            subTaskRef = null;
            return;
        }
        DataManager dataManager = AppContext.getDataManager();
        subTaskRef = dataManager.createReference(subTask);
    }


    // implement AppListener


    /**

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