/**
* Initialize any state for this DB. Called once per DB instance; there is one DB instance per
* client thread.
*/
@Override
public void init() throws DBException {
if ("true".equals(getProperties().getProperty("clientbuffering", "false"))) {
this.clientSideBuffering = true;
}
if (getProperties().containsKey("writebuffersize")) {
writeBufferSize = Long.parseLong(getProperties().getProperty("writebuffersize"));
}
if (getProperties().getProperty("durability") != null) {
this.durability = Durability.valueOf(getProperties().getProperty("durability"));
}
try {
connection = ConnectionFactory.createConnection(config);
} catch (java.io.IOException e) {
throw new DBException(e);
}
if ((getProperties().getProperty("debug") != null)
&& (getProperties().getProperty("debug").compareTo("true") == 0)) {
debug = true;
}
if ("false".equals(getProperties().getProperty("hbase.usepagefilter", "true"))) {
usePageFilter = false;
}
columnFamily = getProperties().getProperty("columnfamily");
if (columnFamily == null) {
System.err.println("Error, must specify a columnfamily for HBase table");
throw new DBException("No columnfamily specified");
}
columnFamilyBytes = Bytes.toBytes(columnFamily);
// Terminate right now if table does not exist, since the client
// will not propagate this error upstream once the workload
// starts.
String table = com.yahoo.ycsb.workloads.CoreWorkload.table;
try {
final TableName tName = TableName.valueOf(table);
HTableDescriptor dsc = connection.getTable(tName).getTableDescriptor();
} catch (IOException e) {
throw new DBException(e);
}
}
