package com.atlassian.sal.api.features;
   
   import com.google.common.base.Predicate;
   
   import javax.annotation.Nullable;
   
   /**
    * @since 2.10
    */
  public class FeatureKeyClassifierPredicate implements Predicate<FeatureKeyScope>
  {
      private final FeatureKeyScope classifier;
  
      public FeatureKeyClassifierPredicate(final FeatureKeyScope classifier)
      {
          this.classifier = classifier;
      }
  
      public static FeatureKeyClassifierPredicate filterBy(final FeatureKeyScope classifier)
      {
          return new FeatureKeyClassifierPredicate(classifier);
      }
  
      @Override
      public boolean apply(@Nullable final FeatureKeyScope input)
      {
          return input != null && input == classifier;
      }
  }