#2556 add DBGEvent class to notify pass notifications from DBGController

plugins/org.jkiss.dbeaver.debug.core/src/org/jkiss/dbeaver/debug/DBGEvent.java

+package org.jkiss.dbeaver.debug;
+
+import java.util.EventObject;
+
+public class DBGEvent extends EventObject {
+
+    private static final long serialVersionUID = 1L;
+
+    public DBGEvent(Object source) {
+        super(source);
+    }
+
+
+}

plugins/org.jkiss.dbeaver.debug.core/src/org/jkiss/dbeaver/debug/core/model/DatabaseDebugTarget.java

@@ -35,6 +35,7 @@ import org.eclipse.debug.core.model.IProcess;
 import org.eclipse.debug.core.model.IThread;
 import org.eclipse.osgi.util.NLS;
 import org.jkiss.dbeaver.debug.DBGController;
+import org.jkiss.dbeaver.debug.DBGEvent;
 import org.jkiss.dbeaver.debug.DBGException;
 import org.jkiss.dbeaver.debug.core.DebugCore;
 import org.jkiss.dbeaver.model.runtime.DefaultProgressMonitor;
@@ -263,18 +264,29 @@ public abstract class DatabaseDebugTarget extends DatabaseDebugElement implement
 
     @Override
     public boolean canDisconnect() {
-        return false;
+        return true;
     }
 
     @Override
     public void disconnect() throws DebugException {
-        //FIXME:AF:delegare to controller
+        try {
+            controller.detach(sessionKey, getProgressMonitor());
+        } catch (DBGException e) {
+            String message = NLS.bind("Error disconnecting {0}", getName());
+            IStatus status = DebugCore.newErrorStatus(message, e);
+            throw new DebugException(status);
+        }
     }
 
     @Override
     public boolean isDisconnected() {
         return false;
     }
+    
+    @Override
+    public DebugEvent toDebugEvent(DBGEvent event) {
+        return new DebugEvent(event.getSource(), DebugEvent.MODEL_SPECIFIC);
+    }
 
     @Override
     public boolean supportsStorageRetrieval() {

plugins/org.jkiss.dbeaver.debug.core/src/org/jkiss/dbeaver/debug/core/model/IDatabaseDebugTarget.java

@@ -19,13 +19,17 @@ package org.jkiss.dbeaver.debug.core.model;
 
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.debug.core.DebugEvent;
 import org.eclipse.debug.core.IBreakpointManagerListener;
 import org.eclipse.debug.core.IDebugEventSetListener;
 import org.eclipse.debug.core.model.IDebugTarget;
 import org.jkiss.dbeaver.debug.DBGController;
+import org.jkiss.dbeaver.debug.DBGEvent;
 
 public interface IDatabaseDebugTarget extends IDebugTarget, IDebugEventSetListener, IBreakpointManagerListener {
     
+    DebugEvent toDebugEvent(DBGEvent event);
+    
     DBGController getController();
     
     void connect(IProgressMonitor monitor) throws CoreException;