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 accord.primitives;
  
  import accord.api.RoutingKey;
  import accord.primitives.Routable.Domain;
  import accord.utils.Invariants;
  
  import javax.annotation.Nonnull;
  
  import static accord.primitives.AbstractRanges.UnionMode.MERGE_OVERLAPPING;
  import static accord.primitives.Routables.Slice.Overlapping;
  
  public abstract class RangeRoute extends AbstractRanges implements Route<Range>, Unseekables<Range>, Participants<Range>
  {
      public final RoutingKey homeKey;
  
      RangeRoute(@Nonnull RoutingKey homeKey, Range[] ranges)
      {
          super(ranges);
          this.homeKey = Invariants.nonNull(homeKey);
      }
  
      @Override
      public RangeRoute with(Unseekables<Range> with)
      {
          AbstractRanges that = (AbstractRanges) with;
          return AbstractRanges.union(MERGE_OVERLAPPING, this, that, this, that, (p1, p2, rs) -> {
              if (rs == p1.ranges)
                  return p1;
              Invariants.require(p1.getClass() == PartialRangeRoute.class);
              if (rs == p2.ranges && p2 instanceof RangeRoute)
                  return (RangeRoute)p2;
              return new PartialRangeRoute(homeKey, rs);
          });
      }
  
      @Override
      public RangeRoute with(RoutingKey withKey)
      {
          if (contains(withKey))
              return this;
  
          return with((Unseekables<Range>) Ranges.of(withKey.asRange()));
      }
  
      @Override
      public RangeRoute without(Unseekables<?> keysOrRanges)
      {
          return without(keysOrRanges.domain() == Domain.Range ? (AbstractRanges) keysOrRanges : ((AbstractUnseekableKeys)keysOrRanges).toRanges());
      }
  
      @Override
      public RangeRoute without(Ranges that)
      {
          return without((AbstractRanges) that);
      }
  
      private RangeRoute without(AbstractRanges that)
      {
          Range[] newRanges = withoutInternal(that);
          return newRanges == ranges ? this : new PartialRangeRoute(homeKey, newRanges);
      }
  
      @Override
      public Route<Range> withHomeKey()
      {
          return with(homeKey);
      }
  
      public Participants<Range> participantsOnly()
      {
          return Ranges.ofSortedAndDeoverlappedUnchecked(ranges);
      }
  
      @Override
      public boolean participatesIn(Ranges ranges)
      {
          return intersects(ranges);
      }
  
      @Override
      public RangeRoute slice(Ranges ranges)
      {
          return slice(ranges, Overlapping);
      }
  
      @Override
      public RangeRoute slice(Ranges ranges, Slice slice)
      {
          return slice(ranges, slice, this, homeKey, (self, hk, rs) -> self.ranges == rs ? this : new PartialRangeRoute(hk, rs));
      }
  
      @Override
      public RangeRoute intersecting(Unseekables<?> intersecting)
      {
          return intersecting(intersecting, Overlapping);
      }
  
      @Override
      public RangeRoute intersecting(Unseekables<?> intersecting, Slice slice)
      {
          switch (intersecting.domain())
          {
              default: throw new AssertionError("Unhandled domain: " + intersecting.domain());
              case Key: return intersecting((AbstractUnseekableKeys)intersecting, this, homeKey, (ignore, hk, ranges) -> new PartialRangeRoute(hk, ranges), slice);
              case Range: return slice((AbstractRanges)intersecting, slice, this, homeKey, (ignore, homeKey, ranges) -> new PartialRangeRoute(homeKey, ranges));
          }
      }
  
      @Override
      public RangeRoute intersecting(Seekables<?, ?> intersecting)
      {
          return intersecting(intersecting, Overlapping);
      }
  
      @Override
      public RangeRoute intersecting(Seekables<?, ?> intersecting, Slice slice)
      {
          switch (intersecting.domain())
          {
              default: throw new AssertionError("Unhandled domain: " + intersecting.domain());
              case Key: return intersecting((Keys)intersecting, this, homeKey, (ignore, hk, ranges) -> new PartialRangeRoute(hk, ranges), slice);
              case Range: return slice((AbstractRanges)intersecting, slice, this, homeKey, (ignore, homeKey, ranges) -> new PartialRangeRoute(homeKey, ranges));
          }
      }
  
      @Override
      public Participants<Range> participants()
      {
          return this;
      }
  
      @Override
      public Participants<Range> participants(Ranges slice)
      {
          return participants(slice, Overlapping);
      }
  
      public Participants<Range> participants(Ranges slice, Slice kind)
      {
          return slice(slice, kind, this, null, (i1, i2, rs) -> i1.ranges == rs ? i1 : Ranges.ofSortedAndDeoverlapped(rs));
      }
  
      @Override
      public RoutingKey homeKey()
      {
          return homeKey;
      }
  
      @Override
      public Route<Range> homeKeyOnlyRoute()
      {
          Range asRange = homeKey.asRange();
          if (ranges.length == 1 && ranges[0].contains(homeKey) && ranges[0].equals(asRange))
              return this;
          return new PartialRangeRoute(homeKey, new Range[] { asRange });
      }
  
      @Override
      public boolean isHomeKeyOnlyRoute()
      {
          return ranges.length == 1 && ranges[0].contains(homeKey) && ranges[0].equals(homeKey.asRange());
      }
  
      @Override
      public boolean equals(Object that)
      {
          return super.equals(that) && homeKey.equals(((RangeRoute)that).homeKey);
      }
  
      @Override
      public String toString()
      {
          return "{homeKey:" + homeKey + ',' + super.toString() + '}';
      }
  }
  