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 org.apache.bifromq.basecrdt.core.api;
  
  import org.apache.bifromq.basecrdt.proto.Replacement;
  import org.apache.bifromq.basecrdt.proto.Replica;
  import com.google.protobuf.ByteString;
  import java.util.Map;
  import java.util.NavigableMap;
  import java.util.Optional;
  import java.util.concurrent.CompletableFuture;
  
  /**
   * Inflater interface for a causal CRDT.
   *
   * @param <O> operation type
   * @param <C> CRDT type
   */
  public interface ICausalCRDTInflater<O extends ICRDTOperation, C extends ICausalCRDT<O>> {
      CausalCRDTType type();
  
      C getCRDT();
  
      Replica id();
  
      CompletableFuture<Void> stop();
  
      CompletableFuture<Void> join(Iterable<Replacement> delta);
  
      CompletableFuture<Optional<Iterable<Replacement>>> delta(
          Map<ByteString, NavigableMap<Long, Long>> coveredLatticeEvents,
          Map<ByteString, NavigableMap<Long, Long>> coveredHistoryEvents,
          int maxEvents);
  
      Map<ByteString, NavigableMap<Long, Long>> latticeEvents();
  
      Map<ByteString, NavigableMap<Long, Long>> historyEvents();
  }
  