+/*******************************************************************************
+ * Copyright (c) 2016 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
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.analysis.os.linux.core.tests.stubs.trace;
+
+import java.io.IOException;
+
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelAnalysisEventLayout;
+import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelTrace;
+import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
+import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
+import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
+import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
+
+/**
+ * Stub for a generic CTF kernel trace.
+ *
+ * It's basically an LTTng (2.0/2.1) trace, but without depending on o.e.t.lttng2.kernel!
+ */
+public class KernelCtfTraceStub extends CtfTmfTrace implements IKernelTrace {
+
+ /**
+ * Constructor
+ */
+ public KernelCtfTraceStub() {
+ super();
+ }
+
+ /**
+ * Get a trace from a CTF test trace.
+ *
+ * @param ctfTrace
+ * The CTF test trace
+ * @return The initialized trace
+ */
+ public static synchronized KernelCtfTraceStub getTrace(CtfTestTrace ctfTrace) {
+ String tracePath;
+ try {
+ tracePath = FileLocator.toFileURL(ctfTrace.getTraceURL()).getPath();
+ } catch (IOException e) {
+ throw new IllegalStateException();
+ }
+
+ KernelCtfTraceStub trace = new KernelCtfTraceStub();
+ try {
+ trace.initTrace(null, tracePath, CtfTmfEvent.class);
+ } catch (TmfTraceException e) {
+ /* Should not happen if tracesExist() passed */
+ throw new RuntimeException(e);
+ }
+ return trace;
+ }
+
+ @Override
+ public @NonNull IKernelAnalysisEventLayout getKernelEventLayout() {
+ return KernelEventLayoutStub.getInstance();
+ }
+}
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