X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fnetconf%2Fnetconf-mapping-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetconf%2Fmapping%2Fapi%2FHandlingPriority.java;h=c08db906df51a00b5dc39d53bb30be252381b3ca;hp=176cf2d28c02d54dbaeedc39abe23357e27d8324;hb=84248dac9ed8aa37e996e39429c8aa8ece473eaf;hpb=91d7c1ee52322acad08e9f81228ac36b3aa684f5

diff --git a/opendaylight/netconf/netconf-mapping-api/src/main/java/org/opendaylight/controller/netconf/mapping/api/HandlingPriority.java b/opendaylight/netconf/netconf-mapping-api/src/main/java/org/opendaylight/controller/netconf/mapping/api/HandlingPriority.java
index 176cf2d28c..c08db906df 100644
--- a/opendaylight/netconf/netconf-mapping-api/src/main/java/org/opendaylight/controller/netconf/mapping/api/HandlingPriority.java
+++ b/opendaylight/netconf/netconf-mapping-api/src/main/java/org/opendaylight/controller/netconf/mapping/api/HandlingPriority.java
@@ -9,8 +9,9 @@
 package org.opendaylight.controller.netconf.mapping.api;
 
 import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
 
-public class HandlingPriority implements Comparable<HandlingPriority> {
+public final class HandlingPriority implements Comparable<HandlingPriority> {
 
     public static final HandlingPriority CANNOT_HANDLE = new HandlingPriority();
     public static final HandlingPriority HANDLE_WITH_DEFAULT_PRIORITY = new HandlingPriority(Integer.MIN_VALUE);
@@ -33,39 +34,59 @@ public class HandlingPriority implements Comparable<HandlingPriority> {
      * @return priority number or Optional.absent otherwise
      */
     public Optional<Integer> getPriority() {
-        return Optional.of(priority).or(Optional.<Integer> absent());
+        return Optional.fromNullable(priority);
+    }
+
+    public HandlingPriority increasePriority(int priorityIncrease) {
+        Preconditions.checkState(priority!=null, "Unable to increase priority for %s", this);
+        Preconditions.checkArgument(priorityIncrease > 0, "Negative increase");
+        Preconditions.checkArgument(Long.valueOf(priority) + priorityIncrease < Integer.MAX_VALUE,
+                "Resulting priority cannot be higher than %s", Integer.MAX_VALUE);
+        return getHandlingPriority(priority + priorityIncrease);
+    }
+
+    public boolean isCannotHandle() {
+        return this.equals(CANNOT_HANDLE);
     }
 
     @Override
     public int compareTo(HandlingPriority o) {
-        if (this == o)
+        if (this == o){
             return 0;
-        if (this == CANNOT_HANDLE)
+        }
+        if (this.equals(CANNOT_HANDLE)){
             return -1;
-        if (o == CANNOT_HANDLE)
+        }
+        if (o.equals(CANNOT_HANDLE)){
             return 1;
+        }
 
-        if (priority > o.priority)
+        if (priority > o.priority){
             return 1;
-        if (priority == o.priority)
+        }
+        if (priority.equals(o.priority)){
             return 0;
-        if (priority < o.priority)
+        }
+        if (priority < o.priority){
             return -1;
-
+        }
         throw new IllegalStateException("Unexpected state");
     }
 
     @Override
     public boolean equals(Object o) {
-        if (this == o)
+        if (this == o){
             return true;
-        if (!(o instanceof HandlingPriority))
+        }
+        if (!(o instanceof HandlingPriority)){
             return false;
+        }
 
         HandlingPriority that = (HandlingPriority) o;
 
-        if (priority != null ? !priority.equals(that.priority) : that.priority != null)
+        if (priority != null ? !priority.equals(that.priority) : that.priority != null){
             return false;
+        }
 
         return true;
     }