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;
  
  import org.apache.atlas.repository.graphdb.AtlasGraphIndex;
  import org.apache.atlas.repository.graphdb.AtlasPropertyKey;
  import org.apache.tinkerpop.gremlin.structure.Edge;
  import org.apache.tinkerpop.gremlin.structure.Vertex;
  import org.janusgraph.core.PropertyKey;
  import org.janusgraph.core.schema.JanusGraphIndex;
  
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * Represents an Index in Janus.
   */
  public class AtlasJanusGraphIndex implements AtlasGraphIndex {
      private final JanusGraphIndex wrapped;
  
      public AtlasJanusGraphIndex(JanusGraphIndex toWrap) {
          this.wrapped = toWrap;
      }
  
      @Override
      public int hashCode() {
          return wrapped.hashCode();
      }
  
      @Override
      public boolean equals(Object other) {
          if (this == other) {
              return true;
          } else if (other == null || other.getClass() != getClass()) {
              return false;
          }
  
          AtlasJanusGraphIndex otherKey = (AtlasJanusGraphIndex) other;
  
          return otherKey.wrapped.equals(wrapped);
      }
  
      @Override
      public boolean isMixedIndex() {
          return wrapped.isMixedIndex();
      }
  
      @Override
      public boolean isCompositeIndex() {
          return wrapped.isCompositeIndex();
      }
  
      @Override
      public boolean isEdgeIndex() {
          return Edge.class.isAssignableFrom(wrapped.getIndexedElement());
      }
  
      @Override
      public boolean isVertexIndex() {
          return Vertex.class.isAssignableFrom(wrapped.getIndexedElement());
      }
  
      @Override
      public boolean isUnique() {
          return wrapped.isUnique();
      }
  
      @Override
      public Set<AtlasPropertyKey> getFieldKeys() {
          PropertyKey[]         keys   = wrapped.getFieldKeys();
          Set<AtlasPropertyKey> result = new HashSet<>();
  
          for (PropertyKey key : keys) {
              result.add(GraphDbObjectFactory.createPropertyKey(key));
          }
  
          return result;
      }
  }
  