@SuppressWarnings("unchecked")
private Map<String, Collection<Object>> getAllSecondaryIndexValues(
EntityConfig config, Object entity) {
Map<String, Collection<Object>> secondaryIndexMap = new HashMap<String, Collection<Object>>();
for (EntityIndexConfig indexConfig : getSecondaryIndexConfigs(config))
secondaryIndexMap.put(
indexConfig.getIndexName(),
hive.directory()
.getSecondaryIndexKeysWithResourceId(
config.getResourceName(), indexConfig.getIndexName(), config.getId(entity)));
return secondaryIndexMap;
}
public void update(EntityConfig config, Object entity) throws HiveLockableException {
Map<String, Collection<Object>> secondaryIndexValues =
getAllSecondaryIndexValues(config, entity);
Map<String, Object> partitionIndexValues = getAllPartitionIndexValues(config, entity);
Map<String, Collection<Object>> toDelete = Maps.newHashMap();
Map<String, Collection<Object>> toInsert = Maps.newHashMap();
conditionallyInsertDelegatedResourceIndexes(config, entity);
for (EntityIndexConfig indexConfig : getPartitionIndexConfigs(config)) {
if (!partitionIndexValues
.get(indexConfig.getIndexName())
.equals(indexConfig.getIndexValues(entity).iterator().next())) {
if (!hive.directory()
.doesPrimaryIndexKeyExist(indexConfig.getIndexValues(entity).iterator().next())) {
hive.directory()
.insertPrimaryIndexKey(indexConfig.getIndexValues(entity).iterator().next());
}
hive.directory()
.updatePrimaryIndexKeyOfResourceId(
config.getResourceName(),
config.getId(entity),
indexConfig.getIndexValues(entity).iterator().next());
}
}
// Delete and insert secondary index values that have changed
for (EntityIndexConfig indexConfig : getSecondaryIndexConfigs(config)) {
Pair<Collection<Object>, Collection<Object>> diff =
Collect.diff(
secondaryIndexValues.get(indexConfig.getIndexName()),
indexConfig.getIndexValues(entity));
toDelete.put(indexConfig.getIndexName(), diff.getKey());
toInsert.put(indexConfig.getIndexName(), diff.getValue());
}
hive.directory()
.insertSecondaryIndexKeys(config.getResourceName(), toInsert, config.getId(entity));
hive.directory()
.deleteSecondaryIndexKeys(config.getResourceName(), toDelete, config.getId(entity));
}
private Map<String, Object> getAllPartitionIndexValues(EntityConfig config, Object entity) {
Map<String, Object> partitionIndexMap = new HashMap<String, Object>();
for (EntityIndexConfig indexConfig : getPartitionIndexConfigs(config))
partitionIndexMap.put(
indexConfig.getIndexName(),
hive.directory()
.getPrimaryIndexKeyOfResourceId(
config.getResourceName(),
// indexConfig.getIndexName(),
config.getId(entity)));
return partitionIndexMap;
}