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Accept mutliple rows/records in Jdbc Source #210

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Accept mutliple rows/records in Jdbc Source #210

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37 changes: 31 additions & 6 deletions src/main/java/org/lsc/service/AbstractJdbcService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -205,17 +205,42 @@ public IBean getBean(String id, LscDatasets attributes, boolean fromSameService)
srcBean = beanClass.newInstance();
List<?> records = sqlMapper.queryForList(getRequestNameForObjectOrClean(fromSameService), getAttributesMap(attributes));
if(records.size() > 1) {
// this is useful for multivalued entries, for groups.
// To use with caution when few column are used because there will be many duplicated content.
// TODO : name of multivalued column should be configured, then only this one is returned as multiple values.
// TODO : if no multivalued column is set then throws an exception
/*
throw new LscServiceException("Only a single record can be returned from a getObject request ! " +
"For id=" + id + ", there are " + records.size() + " records !");
*/
for ( Object recordObject : records ) {
Map<String, Object> record = (Map<String, Object>) recordObject;
for (Entry<String, Object> entry : record.entrySet()) {
if (entry.getValue() != null) {
Set<Object> previousValues = srcBean.getDatasetById(entry.getKey());
if ( previousValues != null ) {
previousValues.add(entry.getValue());
srcBean.setDataset(entry.getKey(), previousValues);
}
else {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey(), entry.getValue())));
}
} else {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey())));
}
}
}
} else if (records.size() == 0) {
return null;
}
Map<String, Object> record = (Map<String, Object>) records.get(0);
for(Entry<String, Object> entry: record.entrySet()) {
if(entry.getValue() != null) {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey(), entry.getValue())));
} else {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey())));
else {
Map<String, Object> record = (Map<String, Object>) records.get(0);
for (Entry<String, Object> entry : record.entrySet()) {
if (entry.getValue() != null) {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey(), entry.getValue())));
} else {
srcBean.setDataset(entry.getKey(), SetUtils.attributeToSet(new BasicAttribute(entry.getKey())));
}
}
}
srcBean.setMainIdentifier(id);
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