content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *       http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  
  package harry.visitors;
  
  import java.util.Set;
  import java.util.function.LongSupplier;
  
  public class SkippingVisitor extends LtsVisitor
  {
      private final Set<Long> ltsToSkip;
      private final Set<Long> pdsToSkip;
      private final LtsToPd ltsToPd;
      // Use DelegatingVisitor class instead of VisitExecutor available via protected field
      private LtsVisitor delegateShadow;
  
      public SkippingVisitor(LtsVisitor delegate,
                             LongSupplier ltsSupplier,
                             LtsToPd ltsToPd,
                             Set<Long> ltsToSkip,
                             Set<Long> pdsToSkip)
      {
          super(delegate, ltsSupplier);
          this.ltsToSkip = ltsToSkip;
          this.pdsToSkip = pdsToSkip;
          this.ltsToPd = ltsToPd;
      }
  
      public void visit(long lts)
      {
          if (ltsToSkip.contains(lts) || pdsToSkip.contains(ltsToPd.convert(lts)))
              return;
  
          delegateShadow.visit(lts);
      }
  
      public static interface LtsToPd
      {
          public long convert(long lts);
      }
  }
  