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package org.onap.sdc.workflow.services;
import com.google.common.annotations.VisibleForTesting;
import java.util.Optional;
import org.apache.commons.lang.ArrayUtils;
import org.onap.sdc.workflow.persistence.UniqueValueRepository;
import org.onap.sdc.workflow.persistence.types.UniqueValueEntity;
import org.onap.sdc.workflow.services.errors.UniqueValueViolationException;
import org.openecomp.core.utilities.CommonMethods; // todo get rid of
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service("uniqueValueService")
public class UniqueValueService {
private static final char FORMATTED_UNIQUE_VALUE_SEPARATOR = '_';
private final UniqueValueRepository uniqueValueRepository;
@Autowired
public UniqueValueService(UniqueValueRepository uniqueValueRepository) {
this.uniqueValueRepository = uniqueValueRepository;
}
/**
* Create unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void createUniqueValue(String type, String[] uniqueCombination) {
formatValue(uniqueCombination).ifPresent(formattedValue -> {
validateUniqueValue(type, formattedValue, uniqueCombination);
uniqueValueRepository.insert(new UniqueValueEntity(type, formattedValue));
});
}
/**
* Delete unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void deleteUniqueValue(String type, String[] uniqueCombination) {
formatValue(uniqueCombination)
.ifPresent(formattedValue -> uniqueValueRepository.delete(new UniqueValueEntity(type, formattedValue)));
}
/**
* Update unique value.
*
* @param type the type
* @param oldValue the old value
* @param newValue the new value
* @param uniqueContext the unique context
*/
public void updateUniqueValue(String type, String oldValue, String newValue, String ... uniqueContext) {
if (newValue == null || !newValue.equalsIgnoreCase(oldValue)) {
createUniqueValue(type, CommonMethods.concat(uniqueContext, new String[] {newValue}));
deleteUniqueValue(type, CommonMethods.concat(uniqueContext, new String[] {oldValue}));
}
}
/**
* Validate unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void validateUniqueValue(String type, String[] uniqueCombination) {
formatValue(uniqueCombination)
.ifPresent(formattedValue -> validateUniqueValue(type, formattedValue, uniqueCombination));
}
/**
* Checks if a unique value is taken.
*
* @return true if the unique value is occupied, false otherwise
*/
public boolean isUniqueValueOccupied(String type, String[] uniqueCombination) {
return formatValue(uniqueCombination).map(formattedValue -> isUniqueValueOccupied(type, formattedValue))
.orElse(false);
}
private void validateUniqueValue(String type, String formattedValue, String[] uniqueCombination) {
if (isUniqueValueOccupied(type, formattedValue)) {
throw new UniqueValueViolationException(type, getValueWithoutContext(uniqueCombination));
}
}
private boolean isUniqueValueOccupied(String type, String formattedValue) {
return uniqueValueRepository.findById(new UniqueValueEntity(type, formattedValue)).isPresent();
}
private Optional<String> formatValue(String[] uniqueCombination) {
if (ArrayUtils.isEmpty(uniqueCombination) || getValueWithoutContext(uniqueCombination) == null) {
return Optional.empty();
}
uniqueCombination[uniqueCombination.length - 1] = getValueWithoutContext(uniqueCombination).toLowerCase();
return Optional.of(CommonMethods.arrayToSeparatedString(uniqueCombination, FORMATTED_UNIQUE_VALUE_SEPARATOR));
}
private String getValueWithoutContext(String[] uniqueCombination) {
return uniqueCombination[uniqueCombination.length - 1];
}
}
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