os.linux: Make KernelCtfTraceStub public

[deliverable/tracecompass.git] / analysis / org.eclipse.tracecompass.analysis.os.linux.core.tests / stubs / org / eclipse / tracecompass / analysis / os / linux / core / tests / stubs / trace / KernelCtfTraceStub.java

diff --git a/analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/stubs/org/eclipse/tracecompass/analysis/os/linux/core/tests/stubs/trace/KernelCtfTraceStub.java b/analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/stubs/org/eclipse/tracecompass/analysis/os/linux/core/tests/stubs/trace/KernelCtfTraceStub.java
new file mode 100644 (file)
index 0000000..22b014a
--- /dev/null
+++ b/analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/stubs/org/eclipse/tracecompass/analysis/os/linux/core/tests/stubs/trace/KernelCtfTraceStub.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * 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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