public HBaseStoreManager(org.apache.commons.configuration.Configuration config)
throws StorageException {
super(config, PORT_DEFAULT);
this.tableName = config.getString(TABLE_NAME_KEY, TABLE_NAME_DEFAULT);
this.hconf = HBaseConfiguration.create();
for (Map.Entry<String, String> confEntry : HBASE_CONFIGURATION.entrySet()) {
if (config.containsKey(confEntry.getKey())) {
hconf.set(confEntry.getValue(), config.getString(confEntry.getKey()));
}
}
// Copy a subset of our commons config into a Hadoop config
org.apache.commons.configuration.Configuration hbCommons =
config.subset(HBASE_CONFIGURATION_NAMESPACE);
@SuppressWarnings("unchecked") // I hope commons-config eventually fixes this
Iterator<String> keys = hbCommons.getKeys();
int keysLoaded = 0;
while (keys.hasNext()) {
String key = keys.next();
String value = hbCommons.getString(key);
logger.debug("HBase configuration: setting {}={}", key, value);
hconf.set(key, value);
keysLoaded++;
}
logger.debug("HBase configuration: set a total of {} configuration values", keysLoaded);
connectionPool = new HTablePool(hconf, connectionPoolSize);
openStores = new ConcurrentHashMap<String, HBaseKeyColumnValueStore>();
// TODO: allowing publicly mutate fields is bad, should be fixed
features = new StoreFeatures();
features.supportsScan = true;
features.supportsBatchMutation = true;
features.supportsTransactions = false;
features.supportsConsistentKeyOperations = true;
features.supportsLocking = false;
features.isKeyOrdered = false;
features.isDistributed = true;
features.hasLocalKeyPartition = false;
}
@Override
public void setConf(org.apache.hadoop.conf.Configuration conf) {
if (conf == null) return; // you first get a null configuration - ignore that
String mos = conf.get(AvroJob.MAP_OUTPUT_SCHEMA);
Schema schema = Schema.parse(mos);
pair = new Pair<Object, Object>(schema);
Schema keySchema = Pair.getKeySchema(schema);
final List<Field> fields = keySchema.getFields();
final GenericRecord key = new GenericData.Record(keySchema);
projector = new Projector(key, fields);
}