1 files changed, 131 insertions, 0 deletions
diff --git a/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/trace/TmfCheckpoint.java b/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/trace/TmfCheckpoint.java
new file mode 100644
index 0000000000..4e0881dd3d
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/trace/TmfCheckpoint.java
@@ -0,0 +1,131 @@
+/*******************************************************************************
+ * Copyright (c) 2009 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:
+ *   Francois Chouinard - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.tmf.core.trace;
+
+import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
+
+/**
+ * <b><u>TmfCheckpoint</u></b>
+ * <p>
+ * This class maps an event timestamp to a generic location.
+ */
+@SuppressWarnings("rawtypes")
+public class TmfCheckpoint implements Comparable<TmfCheckpoint>, Cloneable {
+
+    // ------------------------------------------------------------------------
+    // Attributes
+    // ------------------------------------------------------------------------
+    
+    private TmfTimestamp fTimestamp;
+	private ITmfLocation<? extends Comparable> fLocation;
+
+    // ------------------------------------------------------------------------
+    // Constructors
+    // ------------------------------------------------------------------------
+
+    @SuppressWarnings("unused")
+	private TmfCheckpoint() {
+        fTimestamp = null;
+        fLocation  = null;
+    }
+
+    /**
+     * @param ts the checkpoint timestamp
+     * @param location the corresponding trace location
+     */
+    public TmfCheckpoint(TmfTimestamp ts, ITmfLocation<? extends Comparable> location) {
+        fTimestamp = ts;
+        fLocation = location;
+    }
+
+    /**
+     * Deep copy constructor
+     * @param other the other checkpoint
+     */
+    public TmfCheckpoint(TmfCheckpoint other) {
+    	if (other == null)
+    		throw new IllegalArgumentException();
+        fTimestamp = (TmfTimestamp) other.fTimestamp.clone();
+        fLocation  = other.fLocation.clone();
+    }
+
+    // ------------------------------------------------------------------------
+    // Accessors
+    // ------------------------------------------------------------------------
+
+    /**
+     * @return the checkpoint timestamp
+     */
+    public TmfTimestamp getTimestamp() {
+        return fTimestamp;
+    }
+
+    /**
+     * @return the checkpoint stream location
+     */
+    public ITmfLocation<?> getLocation() {
+        return fLocation;
+    }
+
+    // ------------------------------------------------------------------------
+    // Object
+    // ------------------------------------------------------------------------
+
+    @Override
+    public TmfCheckpoint clone() {
+    	TmfCheckpoint result = null;
+		try {
+			result = (TmfCheckpoint) super.clone();
+	    	result.fTimestamp = new TmfTimestamp(fTimestamp);
+	    	result.fLocation  = fLocation.clone();
+	    	return result;
+		} catch (CloneNotSupportedException e) {
+			e.printStackTrace();
+		}
+		return result;
+    }
+ 
+    @Override
+    public int hashCode() {
+    	return fTimestamp.hashCode();
+    }
+ 
+    @Override
+    public boolean equals(Object other) {
+    	if (!(other instanceof TmfCheckpoint)) {
+    		return false;
+    	}
+    	TmfCheckpoint o = (TmfCheckpoint) other;
+    	return fTimestamp.equals(o.fTimestamp);
+    }
+ 
+    @Override
+    @SuppressWarnings("nls")
+    public String toString() {
+    	return "[TmfCheckpoint(" + fTimestamp +  "," + fLocation + ")]";
+    }
+ 
+    // ------------------------------------------------------------------------
+    // Comparable
+    // ------------------------------------------------------------------------
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public int compareTo(TmfCheckpoint other) {
+    	if (fTimestamp == null || other.fTimestamp == null) {
+    		return fLocation.getLocation().compareTo(other.fLocation.getLocation());
+    	}
+        return fTimestamp.compareTo(other.fTimestamp, false);
+    }
+
+}