1 files changed, 59 insertions, 1 deletions
diff --git a/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfTrace.java b/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfTrace.java
index 1cfa63b3c3..700b0a9d7d 100644
--- a/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfTrace.java
+++ b/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/ctfadaptor/CtfTmfTrace.java
@@ -20,6 +20,7 @@ import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
+import org.eclipse.linuxtools.ctf.core.event.IEventDeclaration;
 import org.eclipse.linuxtools.ctf.core.trace.CTFReaderException;
 import org.eclipse.linuxtools.ctf.core.trace.CTFTrace;
 import org.eclipse.linuxtools.ctf.core.trace.CTFTraceReader;
@@ -29,9 +30,9 @@ import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
 import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp;
 import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp;
 import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;
-import org.eclipse.linuxtools.tmf.core.trace.ITmfTraceProperties;
 import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser;
 import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation;
+import org.eclipse.linuxtools.tmf.core.trace.ITmfTraceProperties;
 import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;
 
 /**
@@ -307,6 +308,63 @@ public class CtfTmfTrace extends TmfTrace
         return 0;
     }
 
+    /**
+     * Returns whether or not an event is in the metadata of the trace,
+     * therefore if it can possibly be in the trace. It does not verify whether
+     * or not the event is actually in the trace
+     *
+     * @param eventName
+     *            The name of the event to check
+     * @return Whether the event is in the metadata or not
+     * @since 2.1
+     */
+    public boolean hasEvent(final String eventName) {
+        Map<Long, IEventDeclaration> events = fTrace.getEvents(0L);
+        if (events != null) {
+            for (IEventDeclaration decl : events.values()) {
+                if (decl.getName().equals(eventName)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Return whether all requested events are in the metadata
+     *
+     * @param names
+     *            The array of events to check for
+     * @return Whether all events are in the metadata
+     * @since 2.1
+     */
+    public boolean hasAllEvents(String[] names) {
+        for (String name : names) {
+            if (!hasEvent(name)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Returns whether the metadata contains at least one of the requested
+     * events
+     *
+     * @param names
+     *            The array of event names of check for
+     * @return Whether one of the event is present in trace metadata
+     * @since 2.1
+     */
+    public boolean hasAtLeastOneOfEvents(String[] names) {
+        for (String name : names) {
+            if (hasEvent(name)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     // -------------------------------------------
     // Parser
     // -------------------------------------------