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Code Issues Wiki Activity

[232148] Invalid thread access exception from SystemViewFilterReferenceAdapter.internalGetChildren()

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This commit is contained in:
David McKnight 2008-05-14 19:19:29 +00:00
parent 8be570986b
commit 863e221157
1 changed files with 43 additions and 32 deletions
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75
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewFilterReferenceAdapter.java
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@ -26,6 +26,7 @@
* Xuan Chen (IBM) - [160775] [api] rename (at least within a zip) blocks UI thread
* David McKnight (IBM) - [210563] error messages need to be shown if incurred during filter expansion
* Martin Oberhuber (Wind River) - [218304] Improve deferred adapter loading
* David McKnight (IBM) - [232148] Invalid thread access exception from SystemViewFilterReferenceAdapter.internalGetChildren()
*******************************************************************************/
package org.eclipse.rse.internal.ui.view;
@ -77,6 +78,7 @@ import org.eclipse.rse.ui.view.ISystemPropertyConstants;
import org.eclipse.rse.ui.view.ISystemRemoteElementAdapter;
import org.eclipse.rse.ui.view.ISystemViewElementAdapter;
import org.eclipse.rse.ui.view.SystemAdapterHelpers;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.PropertyDescriptor;
@ -302,53 +304,62 @@ public class SystemViewFilterReferenceAdapter
protected Object[] internalGetChildren(Object element, IProgressMonitor monitor)
{
Object[] children = null;
ISystemFilterReference fRef = getFilterReference(element);
final ISystemFilterReference fRef = getFilterReference(element);
ISystemFilter referencedFilter = fRef.getReferencedFilter();
boolean promptable = referencedFilter.isPromptable();
ISubSystem ss = fRef.getSubSystem();
ISubSystemConfiguration ssf = SubSystemHelpers.getParentSubSystemConfiguration(referencedFilter);
final ISubSystem ss = fRef.getSubSystem();
final ISubSystemConfiguration ssf = SubSystemHelpers.getParentSubSystemConfiguration(referencedFilter);
// PROMPTING FILTER?...
if (promptable)
{
children = new SystemMessageObject[1];
try
final Object[] pchildren = new SystemMessageObject[1];
final Object pelement = element;
// promptable's need to be run on the main thread since they display dialogs
Display.getDefault().syncExec(new Runnable()
{
ISubSystemConfigurationAdapter adapter = (ISubSystemConfigurationAdapter)ssf.getAdapter(ISubSystemConfigurationAdapter.class);
ISystemFilter newFilter = adapter.createFilterByPrompting(ssf, fRef, getShell());
if (newFilter == null)
public void run()
{
children[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_CANCELLED), ISystemMessageObject.MSGTYPE_CANCEL, element);
}
else // filter successfully created!
try
{
// return "filter created successfully" message object for this node
children[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_FILTERCREATED), ISystemMessageObject.MSGTYPE_OBJECTCREATED, element);
// select the new filter reference...
ISystemFilterReference sfr = fRef.getParentSystemFilterReferencePool().getExistingSystemFilterReference(ss, newFilter);
ISystemViewInputProvider inputProvider = getInput();
if ((sfr != null) && (inputProvider != null) && (inputProvider.getViewer() != null))
{
SystemResourceChangeEvent event = new SystemResourceChangeEvent(sfr, ISystemResourceChangeEvents.EVENT_SELECT_EXPAND, null);
Viewer v = (Viewer)inputProvider.getViewer();
if (v instanceof ISystemResourceChangeListener)
ISubSystemConfigurationAdapter adapter = (ISubSystemConfigurationAdapter)ssf.getAdapter(ISubSystemConfigurationAdapter.class);
ISystemFilter newFilter = adapter.createFilterByPrompting(ssf, fRef, getShell());
if (newFilter == null)
{
//sr.fireEvent((ISystemResourceChangeListener)v, event); // only expand in the current viewer, not all viewers!
RSEUIPlugin.getTheSystemRegistryUI().postEvent((ISystemResourceChangeListener) v, event); // only expand in the current viewer, not all viewers!
pchildren[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_CANCELLED), ISystemMessageObject.MSGTYPE_CANCEL, pelement);
}
else // filter successfully created!
{
// return "filter created successfully" message object for this node
pchildren[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_FILTERCREATED), ISystemMessageObject.MSGTYPE_OBJECTCREATED, pelement);
// select the new filter reference...
ISystemFilterReference sfr = fRef.getParentSystemFilterReferencePool().getExistingSystemFilterReference(ss, newFilter);
ISystemViewInputProvider inputProvider = getInput();
if ((sfr != null) && (inputProvider != null) && (inputProvider.getViewer() != null))
{
SystemResourceChangeEvent event = new SystemResourceChangeEvent(sfr, ISystemResourceChangeEvents.EVENT_SELECT_EXPAND, null);
Viewer v = (Viewer)inputProvider.getViewer();
if (v instanceof ISystemResourceChangeListener)
{
//sr.fireEvent((ISystemResourceChangeListener)v, event); // only expand in the current viewer, not all viewers!
RSEUIPlugin.getTheSystemRegistryUI().postEvent((ISystemResourceChangeListener) v, event); // only expand in the current viewer, not all viewers!
}
}
}
}
catch (Exception exc)
{
pchildren[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_FAILED), ISystemMessageObject.MSGTYPE_ERROR, pelement);
SystemBasePlugin.logError("Exception prompting for filter ", exc); //$NON-NLS-1$
}
//RSEUIPlugin.logDebugMessage(this.getClass().getName(),"returning children");
}
});
return pchildren;
}
catch (Exception exc)
{
children[0] = new SystemMessageObject(RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_EXPAND_FAILED), ISystemMessageObject.MSGTYPE_ERROR, element);
SystemBasePlugin.logError("Exception prompting for filter ", exc); //$NON-NLS-1$
}
//RSEUIPlugin.logDebugMessage(this.getClass().getName(),"returning children");
return children;
}
// NON-PROMPTING FILTER?...
Object[] nestedFilterReferences = fRef.getSystemFilterReferences(ss);