catalog-dao/src/main/java/org/openecomp/sdc/be/dao/impl/Neo4jElementDAO.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.dao.impl;
  22
  23 import fj.data.Either;
  24 import org.openecomp.sdc.be.dao.api.ActionStatus;
  25 import org.openecomp.sdc.be.dao.api.IElementDAO;
  26 import org.openecomp.sdc.be.dao.graph.datatype.GraphElement;
  27 import org.openecomp.sdc.be.dao.graph.datatype.GraphElementTypeEnum;
  28 import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
  29 import org.openecomp.sdc.be.dao.neo4j.Neo4jClient;
  30 import org.openecomp.sdc.be.dao.neo4j.Neo4jOperationStatus;
  31 import org.openecomp.sdc.be.dao.neo4j.filters.MatchFilter;
  32 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
  33 import org.openecomp.sdc.common.log.wrappers.Logger;
  34
  35 import java.util.List;
  36
  37 //@Component("elements-dao")
  38 public class Neo4jElementDAO implements IElementDAO {
  39
  40         // @Resource
  41         Neo4jClient neo4jClient;
  42
  43         private static Logger logger = Logger.getLogger(Neo4jElementDAO.class.getName());
  44
  45         @Override
  46         public Either<List<GraphElement>, ActionStatus> getAllCategories() {
  47                 MatchFilter filter = new MatchFilter();
  48                 Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
  49                                 NodeTypeEnum.ResourceCategory.getName(), filter);
  50                 if (status.isRight()) {
  51                         return Either.right(ActionStatus.GENERAL_ERROR);
  52                 } else {
  53                         List<GraphElement> value = status.left().value();
  54                         if (value == null || value.isEmpty()) {
  55                                 return Either.right(ActionStatus.GENERAL_ERROR);
  56                         } else {
  57                                 return Either.left(value);
  58                         }
  59                 }
  60         }
  61
  62         @Override
  63         public Either<List<GraphElement>, ActionStatus> getAllTags() {
  64                 MatchFilter filter = new MatchFilter();
  65                 Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
  66                                 NodeTypeEnum.Tag.getName(), filter);
  67                 if (status.isRight()) {
  68                         return Either.right(ActionStatus.GENERAL_ERROR);
  69                 } else {
  70                         List<GraphElement> value = status.left().value();
  71                         if (value == null) {
  72                                 return Either.right(ActionStatus.GENERAL_ERROR);
  73                         } else {
  74                                 return Either.left(value);
  75                         }
  76                 }
  77         }
  78
  79         @Override
  80         public Either<GraphElement, ActionStatus> getCategory(String name) {
  81                 MatchFilter filter = new MatchFilter();
  82                 filter.addToMatch(GraphPropertiesDictionary.NAME.getProperty(), name);
  83                 Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
  84                                 NodeTypeEnum.ResourceCategory.getName(), filter);
  85                 if (status.isRight()) {
  86                         return Either.right(ActionStatus.GENERAL_ERROR);
  87                 } else {
  88                         List<GraphElement> value = status.left().value();
  89                         if (value == null) {
  90                                 return Either.right(ActionStatus.GENERAL_ERROR);
  91                         } else {
  92                                 return Either.left(value.get(0));
  93                         }
  94                 }
  95
  96         }
  97
  98         /**
  99          * FOR TEST ONLY
 100          *
 101          * @param neo4jClient
 102          */
 103         public void setNeo4jClient(Neo4jClient neo4jClient) {
 104                 this.neo4jClient = neo4jClient;
 105         }
 106
 107 }