1 files changed, 126 insertions, 0 deletions
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DataTypeOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DataTypeOperation.java
new file mode 100644
index 0000000000..158cb2569b
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DataTypeOperation.java
@@ -0,0 +1,126 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  Licensed 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
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+package org.openecomp.sdc.be.model.operations.impl;
+
+import fj.data.Either;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
+import org.openecomp.sdc.be.dao.janusgraph.HealingJanusGraphGenericDao;
+import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
+import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
+import org.openecomp.sdc.be.model.DataTypeDefinition;
+import org.openecomp.sdc.be.resources.data.DataTypeData;
+import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component("dataType-operation")
+public class DataTypeOperation extends AbstractOperation {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(DataTypeOperation.class);
+
+    private final ModelOperation modelOperation;
+
+    @Autowired
+    public DataTypeOperation(final HealingJanusGraphGenericDao janusGraphGenericDao,
+                             final ModelOperation modelOperation) {
+        this.janusGraphGenericDao = janusGraphGenericDao;
+        this.modelOperation = modelOperation;
+    }
+
+    public List<DataTypeData> getAllDataTypeNodes() {
+        final List<DataTypeData> dataTypesFound = new ArrayList<>();
+        final Either<List<DataTypeData>, JanusGraphOperationStatus> getAllDataTypesWithNullModel =
+            janusGraphGenericDao.getByCriteria(NodeTypeEnum.DataType, null, DataTypeData.class);
+
+        final var dataTypesValidated = validateDataType(getAllDataTypesWithNullModel, null);
+        if (CollectionUtils.isNotEmpty(dataTypesValidated)) {
+            dataTypesFound.addAll(dataTypesValidated);
+        }
+
+        final List<DataTypeData> allDataTypeNodesWithModel = getAllDataTypesWithModel();
+        if(CollectionUtils.isNotEmpty(allDataTypeNodesWithModel)) {
+            dataTypesFound.addAll(allDataTypeNodesWithModel);
+        }
+        return dataTypesFound;
+    }
+
+    public List<DataTypeData> getAllDataTypesWithModel() {
+        final List<DataTypeData> dataTypesWithModel = new ArrayList<>();
+        modelOperation.findAllModels()
+            .forEach(model -> {
+                final var modelName = model.getName();
+                final Either<List<DataTypeData>, JanusGraphOperationStatus> getAllDataTypesByModel = janusGraphGenericDao
+                    .getByCriteriaForModel(NodeTypeEnum.DataType, null, modelName, DataTypeData.class);
+                final var dataTypesValidated = validateDataType(getAllDataTypesByModel, modelName);
+                dataTypesWithModel.addAll(dataTypesValidated);
+            });
+        return dataTypesWithModel;
+    }
+
+    private List<DataTypeData> validateDataType(final Either<List<DataTypeData>, JanusGraphOperationStatus> getDataTypes, final String modelName) {
+        if (getDataTypes.isRight() && getDataTypes.right().value() == JanusGraphOperationStatus.NOT_FOUND) {
+            return Collections.emptyList();
+        }
+        if (getDataTypes.isRight()) {
+            final var status = getDataTypes.right().value();
+            if (LOGGER.isErrorEnabled()) {
+                final var errorMsg= String.format("Failed to fetch data types from database with model %s. Status is %s", modelName, status);
+                LOGGER.error(String.valueOf(EcompLoggerErrorCode.UNKNOWN_ERROR), DataTypeOperation.class.getName(), errorMsg);
+                BeEcompErrorManager.getInstance().logInternalConnectionError(DataTypeOperation.class.getName(), errorMsg, ErrorSeverity.ERROR);
+            }
+            return Collections.emptyList();
+        }
+        return getDataTypes.left().value();
+    }
+
+    public Map<String, Map<String, DataTypeDefinition>> mapDataTypesDefinitionByModel(final Map<String, DataTypeDefinition> allDataTypes) {
+        final Map<String, DataTypeDefinition> dataTypesWithNullModelMap = new HashMap<>();
+        final Map<String, DataTypeDefinition> dataTypesWithModelMap = new HashMap<>();
+        final Map<String, Map<String, DataTypeDefinition>> dataTypesMappedByModel = new HashMap<>();
+        allDataTypes.values().stream().forEach(dataTypeDefinition -> {
+            final var model = dataTypeDefinition.getModel();
+            final var dataTypeDefinitionName = dataTypeDefinition.getName();
+            if (model == null) {
+                dataTypesWithNullModelMap.put(dataTypeDefinitionName, dataTypeDefinition);
+            } else {
+                dataTypesWithModelMap.put(dataTypeDefinitionName, dataTypeDefinition);
+                if (dataTypesMappedByModel.containsKey(model)) {
+                    dataTypesMappedByModel.get(model).put(dataTypeDefinitionName, dataTypeDefinition);
+                } else {
+                    dataTypesMappedByModel.put(model, dataTypesWithModelMap);
+                }
+            }
+        });
+        if(MapUtils.isNotEmpty(dataTypesWithNullModelMap)) {
+            dataTypesMappedByModel.put(null, dataTypesWithNullModelMap);
+        }
+        return dataTypesMappedByModel;
+    }
+
+}