private String getColumnPrefix(String parentPrefix, ResultMapping resultMapping) {
final StringBuilder columnPrefixBuilder = new StringBuilder();
if (parentPrefix != null) columnPrefixBuilder.append(parentPrefix);
if (resultMapping.getColumnPrefix() != null)
columnPrefixBuilder.append(resultMapping.getColumnPrefix());
final String columnPrefix =
columnPrefixBuilder.length() == 0
? null
: columnPrefixBuilder.toString().toUpperCase(Locale.ENGLISH);
return columnPrefix;
}
private void createRowKeyForMappedProperties(
ResultMap resultMap,
ResultSetWrapper rsw,
CacheKey cacheKey,
List<ResultMapping> resultMappings,
String columnPrefix)
throws SQLException {
for (ResultMapping resultMapping : resultMappings) {
if (resultMapping.getNestedResultMapId() != null
&& resultMapping.getResultSet() == null) { // Issue #392
final ResultMap nestedResultMap =
configuration.getResultMap(resultMapping.getNestedResultMapId());
createRowKeyForMappedProperties(
nestedResultMap,
rsw,
cacheKey,
nestedResultMap.getConstructorResultMappings(),
prependPrefix(resultMapping.getColumnPrefix(), columnPrefix));
} else if (resultMapping.getNestedQueryId() == null) {
final String column = prependPrefix(resultMapping.getColumn(), columnPrefix);
final TypeHandler<?> th = resultMapping.getTypeHandler();
List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
if (column != null
&& mappedColumnNames.contains(column.toUpperCase(Locale.ENGLISH))) { // Issue #114
final Object value = th.getResult(rsw.getResultSet(), column);
if (value != null) {
cacheKey.update(column);
cacheKey.update(value);
}
}
}
}
}