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.repository.graphdb.janus.migration.postproc;
  
  import org.apache.atlas.repository.Constants;
  import org.apache.tinkerpop.gremlin.structure.Vertex;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class PostProcessListProperty {
      private static final Logger LOG = LoggerFactory.getLogger(PostProcessListProperty.class);
  
      public void process(Vertex v, String typeName, String propertyName) {
          try {
              if (doesNotHaveProperty(v, typeName) || !hasProperty(v, propertyName)) {
                  return;
              }
  
              removeProperty(v, propertyName);
          } catch (IllegalArgumentException ex) {
              LOG.error("process: IllegalArgumentException: v[{}] error!", v.id(), ex);
          }
      }
  
      protected void removeProperty(Vertex v, String propertyName) {
          v.property(propertyName).remove();
      }
  
      protected boolean doesNotHaveProperty(Vertex v, String typeName) {
          return v.property(Constants.TYPENAME_PROPERTY_KEY).isPresent() || !isInstanceVertexOfType(v, typeName);
      }
  
      private boolean hasProperty(Vertex v, String propertyName) {
          try {
              return v.property(propertyName).isPresent();
          } catch (Exception ex) {
              // ...
          }
  
          return false;
      }
  
      private boolean isInstanceVertexOfType(Vertex v, String typeName) {
          if (v.property(Constants.ENTITY_TYPE_PROPERTY_KEY).isPresent()) {
              String s = (String) v.property(Constants.ENTITY_TYPE_PROPERTY_KEY).value();
  
              return s.equals(typeName);
          }
  
          return false;
      }
  }
  