lttng: Add a diagram showing the dependencies between plugins

[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.ui / src / org / eclipse / linuxtools / internal / lttng2 / ui / views / control / handlers / EnableEventOnChannelHandler.java

diff --git a/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/EnableEventOnChannelHandler.java b/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/EnableEventOnChannelHandler.java
index 596e19371dd85e6c6f940b331bfe5480edba1a8a..af7ff751bdc7d2f5a4ff9ee89bbe88cdce98835b 100644 (file)
--- a/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/EnableEventOnChannelHandler.java
+++ b/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/EnableEventOnChannelHandler.java
@@ -1,13 +1,14 @@
 /**********************************************************************
- * Copyright (c) 2012 Ericsson
- * 
+ * Copyright (c) 2012, 2013 Ericsson
+ *
  * All rights reserved. This program and the accompanying materials are
  * made available under the terms of the Eclipse Public License v1.0 which
  * accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors: 
+ *
+ * Contributors:
  *   Bernd Hufmann - Initial API and implementation
+ *   Bernd Hufmann - Updated for support of LTTng Tools 2.1
  **********************************************************************/
 package org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers;
 
@@ -18,83 +19,67 @@ import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.LogLevelType;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceLogLevel;
 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView;
-import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.LogLevelType;
-import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceLogLevel;
-import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceSessionState;
 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceChannelComponent;
 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent;
 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionComponent;
 import org.eclipse.ui.IWorkbenchPage;
 
 /**
- * <b><u>EnableEventOnChannelHandler</u></b>
  * <p>
  * Command handler implementation to enable events for a known channel.
  * </p>
+ *
+ * @author Bernd Hufmann
  */
 public class EnableEventOnChannelHandler extends BaseEnableEventHandler {
 
     // ------------------------------------------------------------------------
     // Attributes
     // ------------------------------------------------------------------------
-    /**
-     * The channel component the command is to be executed on. 
-     */
-    private TraceChannelComponent fChannel = null;
 
     // ------------------------------------------------------------------------
     // Operations
     // ------------------------------------------------------------------------
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableEvents(java.util.List, boolean, org.eclipse.core.runtime.IProgressMonitor)
-     */
+
     @Override
-    public void enableEvents(List<String> eventNames, boolean isKernel, IProgressMonitor monitor) throws ExecutionException {
-        fChannel.enableEvents(eventNames, monitor);
+    public void enableEvents(CommandParameter param, List<String> eventNames, boolean isKernel, String filterExression, IProgressMonitor monitor) throws ExecutionException {
+        if (param instanceof ChannelCommandParameter) {
+            ((ChannelCommandParameter)param).getChannel().enableEvents(eventNames, filterExression, monitor);
+        }
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableSyscalls(org.eclipse.core.runtime.IProgressMonitor)
-     */
     @Override
-    public void enableSyscalls(IProgressMonitor monitor) throws ExecutionException {
-        fChannel.enableSyscalls(monitor);
+    public void enableSyscalls(CommandParameter param, IProgressMonitor monitor) throws ExecutionException {
+        if (param instanceof ChannelCommandParameter) {
+            ((ChannelCommandParameter)param).getChannel().enableSyscalls(monitor);
+        }
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableProbe(java.lang.String, boolean, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
-     */
     @Override
-    public void enableProbe(String eventName, boolean isFunction, String probe, IProgressMonitor monitor) throws ExecutionException {
-        fChannel.enableProbe(eventName, isFunction, probe, monitor);
+    public void enableProbe(CommandParameter param, String eventName, boolean isFunction, String probe, IProgressMonitor monitor) throws ExecutionException {
+        if (param instanceof ChannelCommandParameter) {
+            ((ChannelCommandParameter)param).getChannel().enableProbe(eventName, isFunction, probe, monitor);
+        }
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableLogLevel(java.lang.String, org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.LogLevelType, org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceLogLevel, org.eclipse.core.runtime.IProgressMonitor)
-     */
     @Override
-    public void enableLogLevel(String eventName, LogLevelType logLevelType, TraceLogLevel level, IProgressMonitor monitor) throws ExecutionException {
-        fChannel.enableLogLevel(eventName, logLevelType, level, monitor);
+    public void enableLogLevel(CommandParameter param, String eventName, LogLevelType logLevelType, TraceLogLevel level, String filterExression, IProgressMonitor monitor) throws ExecutionException {
+        if (param instanceof ChannelCommandParameter) {
+            ((ChannelCommandParameter)param).getChannel().enableLogLevel(eventName, logLevelType, level, filterExression, monitor);
+        }
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#getDomain()
-     */
     @Override
-    public TraceDomainComponent getDomain() {
-        return (TraceDomainComponent) fChannel.getParent();
+    public TraceDomainComponent getDomain(CommandParameter param) {
+        if (param instanceof ChannelCommandParameter) {
+            return (TraceDomainComponent) ((ChannelCommandParameter)param).getChannel().getParent();
+        }
+        return null;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
-     */
     @Override
     public boolean isEnabled() {
         // Get workbench page for the Control View
@@ -103,24 +88,35 @@ public class EnableEventOnChannelHandler extends BaseEnableEventHandler {
             return false;
         }
 
-        fChannel = null;
+        TraceChannelComponent channel = null;
+        TraceSessionComponent session = null;
         ISelection selection = page.getSelection(ControlView.ID);
         if (selection instanceof StructuredSelection) {
             StructuredSelection structered = ((StructuredSelection) selection);
             for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
-                Object element = (Object) iterator.next();
+                Object element = iterator.next();
                 if (element instanceof TraceChannelComponent) {
                     // Add only if corresponding TraceSessionComponents is inactive and not destroyed
-                    TraceChannelComponent channel = (TraceChannelComponent) element; 
-                    TraceSessionComponent session = channel.getSession();
-                    if(session.getSessionState() == TraceSessionState.INACTIVE && !session.isDestroyed()) {
-                        fChannel = channel;
-                        fSession = session;
+                    TraceChannelComponent tmpChannel = (TraceChannelComponent) element;
+                    session = tmpChannel.getSession();
+                    if(!session.isDestroyed()) {
+                        channel = tmpChannel;
                     }
                 }
             }
         }
-        return fChannel != null;
-    }
 
+        boolean isEnabled = (channel != null);
+        fLock.lock();
+        try {
+            fParam = null;
+            if(isEnabled) {
+                fParam = new ChannelCommandParameter(session, channel);
+            }
+        } finally {
+            fLock.unlock();
+        }
+        return isEnabled;
+    }
 }
+