diff --git a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
index bf43155..7434ad9 100644
--- a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
@@ -6,9 +6,8 @@
 
 /**
  * Self-contained Link event Object
- *
+ * <p/>
  * TODO: We probably want common base class/interface for Self-Contained Event Object
- *
  */
 public class LinkEvent {
     protected final SwitchPort src;
@@ -19,83 +18,83 @@
      */
     @Deprecated
     public LinkEvent() {
-	src = null;
-	dst = null;
+        src = null;
+        dst = null;
     }
 
     public LinkEvent(Long src_dpid, Long src_port_no, Long dst_dpid,
-	    Long dst_port_no) {
-	src = new SwitchPort(src_dpid, src_port_no);
-	dst = new SwitchPort(dst_dpid, dst_port_no);
+                     Long dst_port_no) {
+        src = new SwitchPort(src_dpid, src_port_no);
+        dst = new SwitchPort(dst_dpid, dst_port_no);
     }
 
     public LinkEvent(Link link) {
-	src = new SwitchPort(link.getSrcSwitch().getDpid(),
-		link.getSrcPort().getNumber());
-	dst = new SwitchPort(link.getDstSwitch().getDpid(),
-		link.getDstPort().getNumber());
+        src = new SwitchPort(link.getSrcSwitch().getDpid(),
+                link.getSrcPort().getNumber());
+        dst = new SwitchPort(link.getDstSwitch().getDpid(),
+                link.getDstPort().getNumber());
     }
 
     public SwitchPort getSrc() {
-	return src;
+        return src;
     }
 
     public SwitchPort getDst() {
-	return dst;
+        return dst;
     }
 
     @Override
     public String toString() {
-	return "[LinkEvent " + src + "->" + dst + "]";
+        return "[LinkEvent " + src + "->" + dst + "]";
     }
 
     public static final int LINKID_BYTES = 2 + PortEvent.PORTID_BYTES * 2;
 
     public static ByteBuffer getLinkID(Long src_dpid, Long src_port_no,
-	    Long dst_dpid, Long dst_port_no) {
-	return (ByteBuffer) ByteBuffer.allocate(LinkEvent.LINKID_BYTES).putChar('L')
-		.put(PortEvent.getPortID(src_dpid, src_port_no))
-		.put(PortEvent.getPortID(dst_dpid, dst_port_no)).flip();
+                                       Long dst_dpid, Long dst_port_no) {
+        return (ByteBuffer) ByteBuffer.allocate(LinkEvent.LINKID_BYTES).putChar('L')
+                .put(PortEvent.getPortID(src_dpid, src_port_no))
+                .put(PortEvent.getPortID(dst_dpid, dst_port_no)).flip();
     }
 
     public byte[] getID() {
-	return getLinkID(src.getDpid(), src.getNumber(),
-		dst.getDpid(), dst.getNumber()).array();
+        return getLinkID(src.getDpid(), src.getNumber(),
+                dst.getDpid(), dst.getNumber()).array();
     }
 
     public ByteBuffer getIDasByteBuffer() {
-	return getLinkID(src.getDpid(), src.getNumber(),
-		dst.getDpid(), dst.getNumber());
+        return getLinkID(src.getDpid(), src.getNumber(),
+                dst.getDpid(), dst.getNumber());
     }
 
     @Override
     public int hashCode() {
-	final int prime = 31;
-	int result = 1;
-	result = prime * result + ((dst == null) ? 0 : dst.hashCode());
-	result = prime * result + ((src == null) ? 0 : src.hashCode());
-	return result;
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((dst == null) ? 0 : dst.hashCode());
+        result = prime * result + ((src == null) ? 0 : src.hashCode());
+        return result;
     }
 
     @Override
     public boolean equals(Object obj) {
-	if (this == obj)
-	    return true;
-	if (obj == null)
-	    return false;
-	if (getClass() != obj.getClass())
-	    return false;
-	LinkEvent other = (LinkEvent) obj;
-	if (dst == null) {
-	    if (other.dst != null)
-		return false;
-	} else if (!dst.equals(other.dst))
-	    return false;
-	if (src == null) {
-	    if (other.src != null)
-		return false;
-	} else if (!src.equals(other.src))
-	    return false;
-	return true;
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        LinkEvent other = (LinkEvent) obj;
+        if (dst == null) {
+            if (other.dst != null)
+                return false;
+        } else if (!dst.equals(other.dst))
+            return false;
+        if (src == null) {
+            if (other.src != null)
+                return false;
+        } else if (!src.equals(other.src))
+            return false;
+        return true;
     }
 }
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