bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/InputParameterRetrieverTask.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Ericsson. All rights reserved.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks;
  21
  22 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.INPUT_PARAMETER;
  23 import static org.onap.so.bpmn.servicedecomposition.entities.ResourceKey.GENERIC_VNF_ID;
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import org.onap.so.bpmn.common.BuildingBlockExecution;
  28 import org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.utils.InputParameter;
  29 import org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.utils.InputParametersProvider;
  30 import org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.utils.NullInputParameter;
  31 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
  32 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  33 import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
  34 import org.onap.so.client.exception.BBObjectNotFoundException;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37 import org.springframework.beans.factory.annotation.Autowired;
  38 import org.springframework.stereotype.Component;
  39
  40 /**
  41  * This class retrieve input parameters
  42  *
  43  * @author waqas.ikram@est.tech
  44  */
  45 @Component
  46 public class InputParameterRetrieverTask {
  47
  48     private static final Logger LOGGER = LoggerFactory.getLogger(InputParameterRetrieverTask.class);
  49
  50     private final InputParametersProvider<GenericVnf> sdncInputParametersProvider;
  51
  52     private final ExtractPojosForBB extractPojosForBB;
  53
  54     private final InputParametersProvider<Map<String, Object>> userParamInputParametersProvider;
  55
  56     @Autowired
  57     public InputParameterRetrieverTask(final InputParametersProvider<GenericVnf> inputParametersProvider,
  58             final InputParametersProvider<Map<String, Object>> userParamInputParametersProvider,
  59             final ExtractPojosForBB extractPojosForBB) {
  60         this.sdncInputParametersProvider = inputParametersProvider;
  61         this.userParamInputParametersProvider = userParamInputParametersProvider;
  62         this.extractPojosForBB = extractPojosForBB;
  63     }
  64
  65     public void getInputParameters(final BuildingBlockExecution execution) {
  66         try {
  67             LOGGER.debug("Executing getInputParameters  ...");
  68
  69             final InputParameter inputParameter = new InputParameter();
  70
  71             final InputParameter userParamsInputParameter = getUserParamsInputParameter(execution);
  72             final InputParameter sdncInputParameter = getSdncInputParameter(execution);
  73
  74             inputParameter.putAdditionalParams(sdncInputParameter.getAdditionalParams());
  75             inputParameter.addExtVirtualLinks(sdncInputParameter.getExtVirtualLinks());
  76
  77             inputParameter.putAdditionalParams(userParamsInputParameter.getAdditionalParams());
  78             inputParameter.addExtVirtualLinks(userParamsInputParameter.getExtVirtualLinks());
  79
  80             LOGGER.debug("inputParameter: {}", inputParameter);
  81             execution.setVariable(INPUT_PARAMETER, inputParameter);
  82
  83             LOGGER.debug("Finished executing getInputParameters ...");
  84         } catch (final Exception exception) {
  85             LOGGER.error("Unable to get input parameters", exception);
  86             execution.setVariable(INPUT_PARAMETER, NullInputParameter.NULL_INSTANCE);
  87         }
  88     }
  89
  90     private InputParameter getSdncInputParameter(final BuildingBlockExecution execution)
  91             throws BBObjectNotFoundException {
  92         final GenericVnf vnf = extractPojosForBB.extractByKey(execution, GENERIC_VNF_ID);
  93         return sdncInputParametersProvider.getInputParameter(vnf);
  94     }
  95
  96     private InputParameter getUserParamsInputParameter(final BuildingBlockExecution execution) {
  97         final GeneralBuildingBlock generalBuildingBlock = execution.getGeneralBuildingBlock();
  98
  99         if (generalBuildingBlock != null && generalBuildingBlock.getRequestContext() != null
 100                 && generalBuildingBlock.getRequestContext().getRequestParameters() != null) {
 101
 102             final List<Map<String, Object>> userParams =
 103                     generalBuildingBlock.getRequestContext().getRequestParameters().getUserParams();
 104             if (userParams != null) {
 105                 final Map<String, Object> params = new HashMap<>();
 106
 107                 userParams.stream().forEach(obj -> {
 108                     params.putAll(obj);
 109                 });
 110                 LOGGER.info("User params found : {}", params);
 111                 if (userParams != null && !userParams.isEmpty()) {
 112                     return userParamInputParametersProvider.getInputParameter(params);
 113                 }
 114             }
 115
 116         }
 117         LOGGER.warn("No input parameters found in userparams ...");
 118         return NullInputParameter.NULL_INSTANCE;
 119     }
 120
 121 }