LTTng: CPU usage analysis from the LTTng kernel trace

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.core / src / org / eclipse / linuxtools / tmf / core / ctfadaptor / CtfTmfEventType.java

diff --git a/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfEventType.java b/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfEventType.java
index 612abc056c3e8f5a5a2bbb09e1135d8ad4c796c8..80c97adc469b9a3864ac30350e261096a5f860c7 100644 (file)
--- a/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfEventType.java
+++ b/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfEventType.java
@@ -1,18 +1,84 @@
+/*******************************************************************************
+ * Copyright (c) 2012 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: Matthew Khouzam - Initial API and implementation
+ *******************************************************************************/
+
 package org.eclipse.linuxtools.tmf.core.ctfadaptor;
 
 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
 import org.eclipse.linuxtools.tmf.core.event.TmfEventType;
+import org.eclipse.linuxtools.tmf.core.event.TmfEventTypeManager;
+import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
 
+/**
+ * The CTF extension of the TMF event type
+ *
+ * @version 1.0
+ * @author Matthew khouzam
+ */
 public class CtfTmfEventType extends TmfEventType {
 
-    public CtfTmfEventType(String contextId, String eventName,
-            ITmfEventField content) {
-        super(contextId, eventName, content);
+    /**
+     * CTFTmfEventType context for the event type manager
+     */
+    private static final String CONTEXT_ID = "Ctf Event"; //$NON-NLS-1$
+
+    private static final String UNKNOWN_TRACE = "unknown"; //$NON-NLS-1$
+
+    /**
+     * Constructor for CtfTmfEventType.
+     *
+     * @param eventName
+     *            The event name
+     * @param trace
+     *            the parent trace
+     * @param content
+     *            The event field
+     * @since 3.0
+     */
+    public CtfTmfEventType(String eventName, ITmfTrace trace, ITmfEventField content) {
+        super(computeContextName(trace), eventName, content);
     }
 
+    /**
+     * Method toString.
+     *
+     * @return String
+     */
     @Override
-    public String toString()
-    {
-        return this.getName();
+    public String toString() {
+        return getName();
+    }
+
+    /**
+     * gets the event type for an event name
+     *
+     * @param trace
+     *            the parent trace
+     * @param eventName
+     *            the event name
+     * @return the event type
+     * @since 3.0
+     */
+    public static CtfTmfEventType get(CtfTmfTrace trace, String eventName) {
+        return (CtfTmfEventType) TmfEventTypeManager.getInstance().getType(computeContextName(trace), eventName);
+    }
+
+    /**
+     * Get the context name of a ctf trace
+     *
+     * @param trace
+     *            the trace
+     * @return the context name
+     * @since 3.0
+     */
+    public static String computeContextName(ITmfTrace trace) {
+        return CONTEXT_ID + "/" + (trace == null ? UNKNOWN_TRACE : trace.getPath()); //$NON-NLS-1$
     }
 }