catalog-dao/src/main/java/org/openecomp/sdc/be/dao/cassandra/SdcSchemaFilesCassandraDao.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.cassandra;
  22
  23 import com.datastax.driver.core.Session;
  24 import com.datastax.driver.mapping.MappingManager;
  25 import com.datastax.driver.mapping.Result;
  26 import fj.data.Either;
  27 import org.apache.commons.lang3.tuple.ImmutablePair;
  28 import org.openecomp.sdc.be.resources.data.SdcSchemaFilesData;
  29 import org.openecomp.sdc.be.resources.data.auditing.AuditingTypesConstants;
  30 import org.openecomp.sdc.common.log.wrappers.Logger;
  31 import org.springframework.stereotype.Component;
  32
  33 import javax.annotation.PostConstruct;
  34 import java.util.List;
  35
  36 @Component("sdc-schema-files-cassandra-dao")
  37 public class SdcSchemaFilesCassandraDao extends CassandraDao {
  38
  39         private static Logger logger = Logger.getLogger(SdcSchemaFilesCassandraDao.class.getName());
  40         private SdcSchemaFilesAccessor sdcSchemaFilesAccessor;
  41
  42         public SdcSchemaFilesCassandraDao() {
  43                 super();
  44         }
  45
  46         @PostConstruct
  47         public void init() {
  48                 String keyspace = AuditingTypesConstants.ARTIFACT_KEYSPACE;
  49                 if (client.isConnected()) {
  50                         Either<ImmutablePair<Session, MappingManager>, CassandraOperationStatus> result = client.connect(keyspace);
  51                         if (result.isLeft()) {
  52                                 session = result.left().value().left;
  53                                 manager = result.left().value().right;
  54                                 sdcSchemaFilesAccessor = manager.createAccessor(SdcSchemaFilesAccessor.class);
  55                                 logger.info("** SdcSchemaFilesCassandraDao created");
  56                         } else {
  57                                 logger.info("** SdcSchemaFilesCassandraDao failed");
  58                                 throw new RuntimeException("Artifact keyspace [" + keyspace + "] failed to connect with error : "
  59                                                 + result.right().value());
  60                         }
  61                 } else {
  62                         logger.info("** Cassandra client isn't connected");
  63                         logger.info("** SdcSchemaFilesCassandraDao created, but not connected");
  64                 }
  65         }
  66
  67         public CassandraOperationStatus saveSchemaFile(SdcSchemaFilesData schemaFileData) {
  68                 return client.save(schemaFileData, SdcSchemaFilesData.class, manager);
  69         }
  70
  71         public Either<SdcSchemaFilesData, CassandraOperationStatus> getSchemaFile(String schemaFileId) {
  72                 return client.getById(schemaFileId, SdcSchemaFilesData.class, manager);
  73         }
  74
  75         public CassandraOperationStatus deleteSchemaFile(String schemaFileId) {
  76                 return client.delete(schemaFileId, SdcSchemaFilesData.class, manager);
  77         }
  78
  79         public Either<List<SdcSchemaFilesData>, CassandraOperationStatus> getSpecificSchemaFiles(String sdcreleasenum, String conformancelevel) {
  80
  81                 Result<SdcSchemaFilesData> specificSdcSchemaFiles = null;
  82                 try {
  83                         specificSdcSchemaFiles = sdcSchemaFilesAccessor.getSpecificSdcSchemaFiles(sdcreleasenum, conformancelevel);
  84                 } catch (Exception e) {
  85                         logger.debug("getSpecificSchemaFiles failed with exception {}", e);
  86                         return Either.right(CassandraOperationStatus.GENERAL_ERROR);
  87                 }
  88
  89                 if(specificSdcSchemaFiles == null) {
  90                         logger.debug("not found specific SdcSchemaFiles for sdcreleasenum {}, conformancelevel {}", sdcreleasenum, conformancelevel);
  91                         return Either.right(CassandraOperationStatus.NOT_FOUND);
  92                 }
  93
  94                 List<SdcSchemaFilesData> list = specificSdcSchemaFiles.all();
  95                 if(logger.isDebugEnabled()){
  96                         for (SdcSchemaFilesData esSdcSchemaFilesData : list) {
  97                                 logger.trace(esSdcSchemaFilesData.toString());
  98                         }
  99                 }
 100
 101                 return Either.left(list);
 102         }
 103
 104         /**
 105          * ---------for use in JUnit only--------------- the method deletes all the
 106          * tables in the audit keyspace
 107          *
 108          * @return the status of the last failed operation or ok if all the deletes
 109          *         were successful
 110          */
 111         public CassandraOperationStatus deleteAllArtifacts() {
 112                 logger.info("cleaning all artifacts.");
 113                 String query = "truncate sdcartifact.resources;";
 114                 try {
 115                         session.execute(query);
 116                 } catch (Exception e) {
 117                         logger.debug("Failed to clean artifacts", e);
 118                         return CassandraOperationStatus.GENERAL_ERROR;
 119                 }
 120                 logger.info("cleaning all artifacts finished succsesfully.");
 121                 return CassandraOperationStatus.OK;
 122         }
 123
 124         /**
 125          * the method checks if the given table is empty in the artifact keyspace
 126          *
 127          * @param tableName
 128          *            the name of the table we want to check
 129          * @return true if the table is empty
 130          */
 131         public Either<Boolean, CassandraOperationStatus> isTableEmpty(String tableName) {
 132                 return super.isTableEmpty(tableName);
 133         }
 134 }