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package org.openecomp.sdc.be.components.merge.input;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.openecomp.sdc.be.dao.utils.MapUtil;
import org.openecomp.sdc.be.model.InputDefinition;
import java.util.List;
@org.springframework.stereotype.Component
public class InputsValuesMergingBusinessLogic {
/**
* Merge old inputs values into the updated inputs
*/
public void mergeComponentInputs(List<InputDefinition> oldInputs, List<InputDefinition> inputsToMerge) {
Map<String, InputDefinition> oldInputsByName = MapUtil.toMap(oldInputs, InputDefinition::getName);
Map<String, InputDefinition> inputsToMergeByName = MapUtil.toMap(inputsToMerge, InputDefinition::getName);
mergeComponentInputs(oldInputsByName, inputsToMergeByName);
}
/**
* Merge old inputs values into the updated inputs
* An input value is merged if the input previous version had a user defined value and its value is empty in current version
* @param oldInputs the currently persisted inputs mapped by their names
* @param updatedInputs the currently being update inputs mapped by their names
*/
public void mergeComponentInputs(Map<String, InputDefinition> oldInputs, Map<String, InputDefinition> updatedInputs) {
updatedInputs.forEach((inputName, input) -> mergeInputsValues(oldInputs.get(inputName), input));
}
private void mergeInputsValues(InputDefinition oldInput, InputDefinition updatedInput) {
if (shouldMergeOldValue(oldInput, updatedInput)) {
updatedInput.setDefaultValue(oldInput.getDefaultValue());
}
}
private boolean shouldMergeOldValue(InputDefinition oldInput, InputDefinition newInput) {
return isNonEmptyDefaultValue(oldInput) && isEmptyDefaultValue(newInput) && isSameType(oldInput, newInput);
}
private boolean isSameType(InputDefinition oldInput, InputDefinition updatedInput) {
return oldInput.typeEquals(updatedInput);
}
private boolean isEmptyDefaultValue(InputDefinition input) {
return input != null && StringUtils.isEmpty(input.getDefaultValue());
}
private boolean isNonEmptyDefaultValue(InputDefinition input) {
return input != null && !isEmptyDefaultValue(input);
}
}
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