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package org.openecomp.sdc.be.components.merge.property;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.annotation.Resource;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.elements.GetInputValueDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.cache.ApplicationDataTypeCache;
import org.openecomp.sdc.be.model.tosca.ToscaFunctions;
import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
import org.openecomp.sdc.be.tosca.PropertyConvertor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import com.google.gson.Gson;
import fj.data.Either;
@Component
public class PropertyDataValueMergeBusinessLogic {
private static final Logger LOGGER = LoggerFactory.getLogger(PropertyDataValueMergeBusinessLogic.class);
private final PropertyConvertor propertyConvertor = PropertyConvertor.getInstance();
private PropertyValueMerger complexPropertyValueMerger = ComplexPropertyValueMerger.getInstance();
private PropertyValueMerger scalarPropertyValueMerger = ScalarPropertyValueMerger.getInstance();
@Resource
private ApplicationDataTypeCache dataTypeCache;
private final Gson gson = new Gson();
/**
*
* @param oldProp the old property to merge value from
* @param newProp the new property to merge value into
* @param getInputNamesToMerge inputs names which their corresponding get_input values are allowed to be merged
*/
public void mergePropertyValue(PropertyDataDefinition oldProp, PropertyDataDefinition newProp, List<String> getInputNamesToMerge) {
Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
if (dataTypesEither.isRight()) {
LOGGER.debug("failed to fetch data types, skip merging of previous property values. status: {}", dataTypesEither.right().value());
}
mergePropertyValue(oldProp, newProp, dataTypesEither.left().value(), getInputNamesToMerge);
mergeComplexPropertyGetInputsValues(oldProp, newProp);
}
private void mergePropertyValue(PropertyDataDefinition oldProp, PropertyDataDefinition newProp, Map<String, DataTypeDefinition> dataTypes, List<String> getInputNamesToMerge) {
Object oldValAsObject = convertPropertyStrValueToObject(oldProp, dataTypes);
Object newValAsObject = convertPropertyStrValueToObject(newProp, dataTypes);
PropertyValueMerger propertyValueMerger = getPropertyValueMerger(newProp);
if(oldValAsObject != null){
Object mergedValue = propertyValueMerger.mergeValues(oldValAsObject, newValAsObject, getInputNamesToMerge);
newProp.setValue(convertPropertyValueObjectToString(mergedValue));
}
}
private PropertyValueMerger getPropertyValueMerger(PropertyDataDefinition newProp) {
if (ToscaPropertyType.isPrimitiveType(newProp.getType()) || ToscaPropertyType.isPrimitiveType(newProp.getSchemaType())) {
return scalarPropertyValueMerger;
}
return complexPropertyValueMerger;
}
private String convertPropertyValueObjectToString(Object mergedValue) {
if (isEmptyValue(mergedValue)) {
return null;
}
return mergedValue instanceof String? mergedValue.toString() : gson.toJson(mergedValue);
}
private Object convertPropertyStrValueToObject(PropertyDataDefinition propertyDataDefinition, Map<String, DataTypeDefinition> dataTypes) {
String propValue = propertyDataDefinition.getValue() == null ? "": propertyDataDefinition.getValue();
String propertyType = propertyDataDefinition.getType();
String innerType = propertyDataDefinition.getSchemaType();
return propertyConvertor.convertToToscaObject(propertyType, propValue, innerType, dataTypes);
}
private boolean isEmptyValue(Object val) {
return val == null ||
val instanceof Map && ((Map) val).isEmpty() ||
val instanceof List && ((List) val).isEmpty();
}
private void mergeComplexPropertyGetInputsValues(PropertyDataDefinition oldProp, PropertyDataDefinition newProp) {
if (!oldProp.isGetInputProperty()) {
return;
}
List<GetInputValueDataDefinition> getInputsToMerge = findOldGetInputValuesToMerge(oldProp, newProp);
List<GetInputValueDataDefinition> newPropGetInputValues = Optional.ofNullable(newProp.getGetInputValues()).orElse(new ArrayList<>());
newPropGetInputValues.addAll(getInputsToMerge);
newProp.setGetInputValues(newPropGetInputValues);
}
private List<GetInputValueDataDefinition> findOldGetInputValuesToMerge(PropertyDataDefinition oldProp, PropertyDataDefinition newProp) {
List<GetInputValueDataDefinition> oldGetInputValues = oldProp.getGetInputValues();
List<GetInputValueDataDefinition> newGetInputValues = Optional.ofNullable(newProp.getGetInputValues()).orElse(Collections.emptyList());
List<String> newGetInputNames = newGetInputValues.stream().map(GetInputValueDataDefinition::getInputName).collect(Collectors.toList());
return oldGetInputValues.stream()
.filter(getInput -> !newGetInputNames.contains(getInput.getInputName()))
.filter(getInput -> isValueContainsGetInput(getInput.getInputName(), newProp.getValue()))
.collect(Collectors.toList());
}
private boolean isValueContainsGetInput(String inputName, String value) {
String getInputEntry = "\"%s\":\"%s\"";
return value != null && value.contains(String.format(getInputEntry, ToscaFunctions.GET_INPUT.getFunctionName(), inputName));
}
}
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