Remove @Nullable from methods returning primitives

Found via error-prone.

apis/cloudwatch/src/main/java/org/jclouds/cloudwatch/domain/StatisticValues.java

@@ -16,8 +16,6 @@
  */
 package org.jclouds.cloudwatch.domain;
 
-import org.jclouds.javax.annotation.Nullable;
-
 /**
  * @see <a href="http://docs.amazonwebservices.com/AmazonCloudWatch/latest/APIReference/API_StatisticSet.html" />
  */
@@ -38,7 +36,6 @@ public class StatisticValues {
    /**
     * return the maximum value of the sample set
     */
-   @Nullable
    public double getMaximum() {
       return maximum;
    }
@@ -46,7 +43,6 @@ public class StatisticValues {
    /**
     * return the minimum value of the sample set
     */
-   @Nullable
    public double getMinimum() {
       return minimum;
    }
@@ -54,7 +50,6 @@ public class StatisticValues {
    /**
     * return the number of samples used for the statistic set
     */
-   @Nullable
    public double getSampleCount() {
       return sampleCount;
    }
@@ -62,7 +57,6 @@ public class StatisticValues {
    /**
     * return the sum of values for the sample set
     */
-   @Nullable
    public double getSum() {
       return sum;
    }

project/pom.xml

@@ -749,6 +749,7 @@
               <compilerArg>-Xep:GuiceAssistedInjectScoping:OFF</compilerArg>
               <compilerArg>-Xep:LongLiteralLowerCaseSuffix:OFF</compilerArg>
               <compilerArg>-Xep:NonAtomicVolatileUpdate:OFF</compilerArg>
+              <compilerArg>-Xep:NullablePrimitive:ERROR</compilerArg>
               <compilerArg>-Xep:StringEquality:ERROR</compilerArg>
               <compilerArg>-Xep:TypeParameterUnusedInFormals:OFF</compilerArg>
             </compilerArgs>

providers/google-compute-engine/src/main/java/org/jclouds/googlecomputeengine/domain/BackendService.java

@@ -72,8 +72,8 @@ public abstract class BackendService {
    @Nullable public  abstract String description();
    @Nullable public  abstract List<Backend> backends();
    @Nullable public abstract List<URI> healthChecks();
-   @Nullable public abstract int timeoutSec();
-   @Nullable public abstract int port();
+   public abstract int timeoutSec();
+   public abstract int port();
    @Nullable public abstract String protocol();
    @Nullable public abstract String fingerprint();
    @Nullable public abstract String portName();

providers/google-compute-engine/src/main/java/org/jclouds/googlecomputeengine/domain/Instance.java

@@ -46,7 +46,7 @@ public abstract class Instance {
       }
 
       /** A zero-based index to assign to this disk, where 0 is reserved for the boot disk. */
-      @Nullable public abstract int index();
+      public abstract int index();
 
       public abstract Type type();
 

providers/softlayer/src/main/java/org/jclouds/softlayer/domain/Address.java

@@ -238,7 +238,6 @@ public class Address {
    /**
     * @return The id of the account.
     */
-   @Nullable
    public int getAccountId() {
       return accountId;
    }
@@ -270,7 +269,6 @@ public class Address {
    /**
     * @return The name of the contact.
     */
-   @Nullable
    public int isActive() {
       return isActive;
    }
@@ -278,7 +276,6 @@ public class Address {
    /**
     * @return The id of the location.
     */
-   @Nullable
    public int getLocationId() {
       return locationId;
    }

providers/softlayer/src/main/java/org/jclouds/softlayer/domain/VirtualGuest.java

@@ -789,7 +789,6 @@ public class VirtualGuest {
       return this.powerState;
    }
 
-   @Nullable
    public int getActiveTransactionCount() {
       return activeTransactionCount;
    }