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package org.openmicroscopy.shoola.agents.metadata;
import org.openmicroscopy.shoola.agents.metadata.view.MetadataViewer;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.CallHandle;
import omero.gateway.model.ExperimenterData;
/**
* Updates the experimenter.
* This class calls the <code>updateExperimenter</code> method in the
* <code>AdminView</code>.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
public class ExperimenterEditor
extends MetadataLoader
{
/** The experimenter to update. */
private ExperimenterData exp;
/** Handle to the asynchronous call so that we can cancel it. */
private CallHandle handle;
/**
* Creates a new instance.
*
* @param viewer The viewer this data loader is for.
* Mustn't be <code>null</code>.
* @param ctx The security context.
* @param exp The experimenter to update. Mustn't be <code>null</code>.
* @param loaderID The identifier of the loader.
*/
public ExperimenterEditor(MetadataViewer viewer, SecurityContext ctx,
ExperimenterData exp, int loaderID)
{
super(viewer, ctx, null, loaderID);
if (exp == null)
throw new IllegalArgumentException("No experimenter to edit.");
this.exp = exp;
}
/**
* Loads the data.
* @see MetadataLoader#cancel()
*/
public void load()
{
handle = adminView.updateExperimenter(ctx, exp, this);
}
/**
* Cancels the data loading.
* @see MetadataLoader#cancel()
*/
public void cancel() { handle.cancel(); }
/**
* Feeds the result back to the viewer.
* @see MetadataLoader#handleResult(Object)
*/
public void handleResult(Object result)
{
if (viewer.getState() == MetadataViewer.DISCARDED) return; //Async cancel.
viewer.onAdminUpdated((ExperimenterData) result);
}
}