content: /*
   * Copyright (c) 2020 Adam Gaj
   *
   * Licensed 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
   *
   *     https://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 com.adgadev.jplusone.asserts.impl.rule.exclusion;
  
  import com.adgadev.jplusone.core.registry.OperationNodeView;
  import lombok.Getter;
  import lombok.RequiredArgsConstructor;
  
  import java.util.List;
  
  import static com.adgadev.jplusone.asserts.impl.util.CollectionUtils.getLastElement;
  import static com.adgadev.jplusone.asserts.impl.util.CollectionUtils.getMaxCommonHeadFragmentOfLists;
  
  @Getter
  @RequiredArgsConstructor
  public enum ExclusionJoiningMode {
      ANY(false) {
          @Override
          List<OperationNodeView> resolveExcludedOperationCandidates(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationPreCandidates) {
              return excludedOperationPreCandidates;
          }
  
          List<OperationNodeView> resolveOperationsToCheckInNextIteration(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationsPortion) {
              return operations;
          }
      },
      ALL(true) {
          @Override
          List<OperationNodeView> resolveExcludedOperationCandidates(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationPreCandidates) {
              return excludedOperationPreCandidates;
          }
  
          List<OperationNodeView> resolveOperationsToCheckInNextIteration(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationsPortion) {
              return operations;
          }
      },
      ALL_STRICT_ORDER(true) {
          @Override
          List<OperationNodeView> resolveExcludedOperationCandidates(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationPreCandidates) {
              return getMaxCommonHeadFragmentOfLists(excludedOperationPreCandidates, operations);
          }
  
          List<OperationNodeView> resolveOperationsToCheckInNextIteration(List<OperationNodeView> operations, List<OperationNodeView> excludedOperationsPortion) {
              OperationNodeView lastExcludedOperation = getLastElement(excludedOperationsPortion);
              int lastProcessedOperationIndex = operations.indexOf(lastExcludedOperation);
              return operations.subList(lastProcessedOperationIndex + 1, operations.size());
          }
      };
  
      private final boolean exclusionApplicationRequired;
  
      abstract List<OperationNodeView> resolveExcludedOperationCandidates(List<OperationNodeView> currentOperations, List<OperationNodeView> excludedOperationPreCandidates);
  
      abstract List<OperationNodeView> resolveOperationsToCheckInNextIteration(List<OperationNodeView> currentOperations, List<OperationNodeView> nextExcludedOperationsPortion);
  }
  