Enable checkstyle rule for JLS modifier order

JLS specifies a preferred order for modifiers in
declarations.  Enabled this rule and fixed the
problems that it encountered.

Change-Id: I5e8fa3d29f785ced4c61fbb8c7c8b168289f06e2
diff --git a/src/main/java/net/onrc/onos/core/util/Dpid.java b/src/main/java/net/onrc/onos/core/util/Dpid.java
index f66a5d4..1abd0f1 100644
--- a/src/main/java/net/onrc/onos/core/util/Dpid.java
+++ b/src/main/java/net/onrc/onos/core/util/Dpid.java
@@ -14,7 +14,7 @@
 @JsonDeserialize(using = DpidDeserializer.class)
 @JsonSerialize(using = DpidSerializer.class)
 public final class Dpid {
-    private final static long UNKNOWN = 0;
+    private static final long UNKNOWN = 0;
     private final long value;
 
     /**
diff --git a/src/main/java/net/onrc/onos/core/util/FlowEntryId.java b/src/main/java/net/onrc/onos/core/util/FlowEntryId.java
index 62c009a..5b19e91 100644
--- a/src/main/java/net/onrc/onos/core/util/FlowEntryId.java
+++ b/src/main/java/net/onrc/onos/core/util/FlowEntryId.java
@@ -16,7 +16,7 @@
 @JsonDeserialize(using = FlowEntryIdDeserializer.class)
 @JsonSerialize(using = FlowEntryIdSerializer.class)
 public final class FlowEntryId {
-    private final static long INVALID = -1;
+    private static final long INVALID = -1;
     private final long value;
 
     /**
diff --git a/src/main/java/net/onrc/onos/core/util/FlowId.java b/src/main/java/net/onrc/onos/core/util/FlowId.java
index 5eace27..f57701e 100644
--- a/src/main/java/net/onrc/onos/core/util/FlowId.java
+++ b/src/main/java/net/onrc/onos/core/util/FlowId.java
@@ -16,7 +16,7 @@
 @JsonDeserialize(using = FlowIdDeserializer.class)
 @JsonSerialize(using = FlowIdSerializer.class)
 public final class FlowId implements Comparable<FlowId> {
-    private final static long INVALID = -1;
+    private static final long INVALID = -1;
     private final long value;
 
     /**
diff --git a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
index 2a85904..7fb0597 100644
--- a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
+++ b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
@@ -12,7 +12,7 @@
  * Class for collecting performance measurements
  */
 public class PerformanceMonitor {
-    private final static Logger log = LoggerFactory.getLogger(PerformanceMonitor.class);
+    private static final Logger log = LoggerFactory.getLogger(PerformanceMonitor.class);
 
     // experiment name -> PerformanceMonitor
     private static final ConcurrentHashMap<String, PerformanceMonitor> PERF_MONS = new ConcurrentHashMap<>();
@@ -33,7 +33,7 @@
     private final ConcurrentHashMap<String, Queue<Measurement>> map = new ConcurrentHashMap<>();
     private long overhead;
     private long experimentStart = Long.MAX_VALUE;
-    private final static double NORMALIZATION = Math.pow(10, 6);
+    private static final double NORMALIZATION = Math.pow(10, 6);
 
     /**
      * Start a performance measurement, identified by a tag
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
index 955f0ff..9d16e5e 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class DpidDeserializer extends JsonDeserializer<Dpid> {
 
-    protected final static Logger log = LoggerFactory.getLogger(DpidDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(DpidDeserializer.class);
 
     @Override
     public Dpid deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
index de13574..eadb2ce 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class FlowEntryIdDeserializer extends JsonDeserializer<FlowEntryId> {
 
-    protected final static Logger log = LoggerFactory.getLogger(FlowEntryIdDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(FlowEntryIdDeserializer.class);
 
     @Override
     public FlowEntryId deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
index 12c5cbd..ecdf41a 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class FlowIdDeserializer extends JsonDeserializer<FlowId> {
 
-    protected final static Logger log = LoggerFactory.getLogger(FlowIdDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(FlowIdDeserializer.class);
 
     @Override
     public FlowId deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
index f58f746..a025e80 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
@@ -17,7 +17,7 @@
  */
 public class IPv4Deserializer extends JsonDeserializer<IPv4> {
 
-    protected final static Logger log = LoggerFactory.getLogger(IPv4Deserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(IPv4Deserializer.class);
 
     @Override
     public IPv4 deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
index da68668..8d90a59 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class IPv4NetDeserializer extends JsonDeserializer<IPv4Net> {
 
-    protected final static Logger log = LoggerFactory.getLogger(IPv4NetDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(IPv4NetDeserializer.class);
 
     @Override
     public IPv4Net deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
index 3b9673a..aa92c58 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
@@ -17,7 +17,7 @@
  */
 public class IPv6Deserializer extends JsonDeserializer<IPv6> {
 
-    protected final static Logger log = LoggerFactory.getLogger(IPv6Deserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(IPv6Deserializer.class);
 
     @Override
     public IPv6 deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
index 2b80984..c74cc4d 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class IPv6NetDeserializer extends JsonDeserializer<IPv6Net> {
 
-    protected final static Logger log = LoggerFactory.getLogger(IPv6NetDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(IPv6NetDeserializer.class);
 
     @Override
     public IPv6Net deserialize(JsonParser jp,
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
index e78be58..ca631e1 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
@@ -108,7 +108,7 @@
      *                   otherwise delete the provided object.
      * @return a new Kryo object if needed, otherwise null.
      */
-    synchronized private Kryo newDeleteKryo(Kryo deleteKryo) {
+    private synchronized Kryo newDeleteKryo(Kryo deleteKryo) {
         if (deleteKryo != null) {
             // Delete an entry by moving it back to the buffer
             kryoList.add(deleteKryo);
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
index 45bc336..8ae45df 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
@@ -17,7 +17,7 @@
  */
 public class MACAddressDeserializer extends JsonDeserializer<MACAddress> {
 
-    protected final static Logger log = LoggerFactory.getLogger(MACAddressDeserializer.class);
+    private static final Logger log = LoggerFactory.getLogger(MACAddressDeserializer.class);
 
     @Override
     public MACAddress deserialize(JsonParser jp,