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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.entitytransform;
  
  import org.apache.atlas.entitytransform.BaseEntityHandler.AtlasTransformableEntity;
  import org.apache.atlas.model.impexp.AttributeTransform;
  import org.apache.commons.collections.MapUtils;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  public class AtlasEntityTransformer {
      private final List<Condition> conditions;
      private final List<Action>    actions;
  
      public AtlasEntityTransformer(AttributeTransform attributeTransform, TransformerContext context) {
          this(attributeTransform.getConditions(), attributeTransform.getAction(), context);
      }
  
      public AtlasEntityTransformer(Map<String, String> conditions, Map<String, String> actions, TransformerContext context) {
          this.conditions = createConditions(conditions, context);
          this.actions    = createActions(actions, context);
      }
  
      public List<Condition> getConditions() {
          return conditions;
      }
  
      public List<Action> getActions() {
          return actions;
      }
  
      public void transform(AtlasTransformableEntity entity) {
          if (entity != null) {
              boolean matches = true;
  
              for (Condition condition : conditions) {
                  matches = matches && condition.matches(entity);
              }
  
              if (matches) {
                  for (Action action : actions) {
                      action.apply(entity);
                  }
              }
          }
      }
  
      private List<Condition> createConditions(Map<String, String> conditions, TransformerContext context) {
          List<Condition> ret = new ArrayList<>();
  
          if (MapUtils.isNotEmpty(conditions)) {
              for (Map.Entry<String, String> entry : conditions.entrySet()) {
                  Condition condition = Condition.createCondition(entry.getKey(), entry.getValue(), context);
  
                  ret.add(condition);
              }
          }
  
          return ret;
      }
  
      private List<Action> createActions(Map<String, String> actions, TransformerContext context) {
          List<Action> ret = new ArrayList<>();
  
          if (MapUtils.isNotEmpty(actions)) {
              for (Map.Entry<String, String> entry : actions.entrySet()) {
                  Action action = Action.createAction(entry.getKey(), entry.getValue(), context);
  
                  ret.add(action);
              }
          }
  
          return ret;
      }
  }
  