public static void deleteTest(String tableStr) {
try {
Configuration conf = HBaseConfiguration.create();
byte[] tableName = Bytes.toBytes(tableStr);
HConnection hConnection = HConnectionManager.createConnection(conf);
HTableInterface table = hConnection.getTable(tableName);
byte[] startRow = Bytes.toBytes("rowKey_1");
byte[] stopRow = Bytes.toBytes("rowKey_3");
byte[] family = f0;
Scan scan = new Scan();
scan.addFamily(family);
scan.setMaxVersions(1);
// scan.setStartRow(startRow);
// scan.setStopRow(stopRow);
ResultScanner scanner = table.getScanner(scan);
Result result = scanner.next();
List<Delete> delete = new ArrayList<Delete>();
while (result != null) {
Delete del = new Delete(result.getRow());
delete.add(del);
result = scanner.next();
}
table.delete(delete);
System.out.println("delete done");
table.close(); // very important
} catch (IOException e) {
e.printStackTrace();
}
}
/*
* (non-Javadoc)
*
* @see com.hazelcast.core.MapStore#delete(java.lang.Object)
*/
@Override
public void delete(String key) {
if (allowDelete) {
HTableInterface table = null;
try {
Delete d = new Delete(Bytes.toBytes(key));
table = pool.getTable(tableName);
table.delete(d);
} catch (IOException e) {
LOG.error("IOException while deleting key: " + key, e);
} finally {
if (table != null) {
pool.putTable(table);
}
}
}
}
/*
* (non-Javadoc)
*
* @see com.hazelcast.core.MapStore#deleteAll(java.util.Collection)
*/
@Override
public void deleteAll(Collection<String> keys) {
if (allowDelete) {
HTableInterface table = null;
try {
List<Delete> deletes = new ArrayList<Delete>();
for (String k : keys) {
Delete d = new Delete(Bytes.toBytes(k));
deletes.add(d);
}
table = pool.getTable(tableName);
table.delete(deletes);
} catch (IOException e) {
LOG.error("IOException while deleting values", e);
} finally {
if (table != null) {
pool.putTable(table);
}
}
}
}
@Override
public void delete(List<Delete> deletes) throws IOException {
table.delete(deletes);
}
@Override
public void delete(Delete delete) throws IOException {
table.delete(delete);
}
