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  package org.apache.cayenne.stubs;
  
  import java.util.Objects;
  
  import org.apache.cayenne.dbsync.naming.DbEntityNameStemmer;
  import org.apache.cayenne.dbsync.naming.NoStemStemmer;
  import org.apache.cayenne.dbsync.naming.ObjectNameGenerator;
  import org.apache.cayenne.map.DbAttribute;
  import org.apache.cayenne.map.DbEntity;
  import org.apache.cayenne.map.DbRelationship;
  import org.apache.cayenne.util.Util;
  
  public class CustomObjectNameGenerator implements ObjectNameGenerator {
  
      private DbEntityNameStemmer dbEntityNameStemmer;
  
      public CustomObjectNameGenerator() {
          this.dbEntityNameStemmer = NoStemStemmer.getInstance();
      }
  
      public CustomObjectNameGenerator(DbEntityNameStemmer dbEntityNameStemmer) {
          this.dbEntityNameStemmer = dbEntityNameStemmer;
      }
  
      @Override
      public String relationshipName(DbRelationship... relationshipChain) {
          return null;
      }
  
      protected String stemmed(String dbEntityName) {
          return dbEntityNameStemmer.stem(Objects.requireNonNull(dbEntityName));
      }
  
      @Override
      public String objEntityName(DbEntity dbEntity) {
          String baseName = stemmed(dbEntity.getName());
          return "Custom" + Util.underscoredToJava(baseName, true);
      }
  
      @Override
      public String objAttributeName(DbAttribute attr) {
          return "custom_" + Util.underscoredToJava(attr.getName(), false);
      }
  }
  