/*
* (non-Javadoc)
*
* @see
* com.impetus.kunderahbase.dao.user.UserDao#findUserByUserName(java.lang
* .String, boolean, java.util.List)
*/
@Override
public void findUserByUserName(String userName, boolean isBulk, List<UserHBaseDTO> users) {
for (UserHBaseDTO user : users) {
Filter filter =
new SingleColumnValueFilter(
Bytes.toBytes("user_name"),
Bytes.toBytes("user_name"),
CompareOp.EQUAL,
Bytes.toBytes(user.getUserNameCounter()));
Scan scan = new Scan();
scan.setFilter(filter);
scan.addColumn(Bytes.toBytes("user_name"), Bytes.toBytes("user_name"));
scan.addColumn(Bytes.toBytes("user_nameCnt"), Bytes.toBytes("user_nameCnt"));
scan.addColumn(Bytes.toBytes("password"), Bytes.toBytes("password"));
scan.addColumn(Bytes.toBytes("relation"), Bytes.toBytes("relation"));
ResultScanner scanner = null;
int counter = 0;
try {
scanner = hTablePool.getTable("User").getScanner(scan);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
assert scanner != null;
for (Result result : scanner) {
counter++;
assert result != null;
}
assert counter != 0;
}
}
@Override
protected List<RawResource> getAllResources(String rangeStart, String rangeEnd)
throws IOException {
byte[] startRow = Bytes.toBytes(rangeStart);
byte[] endRow = plusZero(Bytes.toBytes(rangeEnd));
Scan scan = new Scan(startRow, endRow);
scan.addColumn(B_FAMILY, B_COLUMN_TS);
scan.addColumn(B_FAMILY, B_COLUMN);
HTableInterface table = getConnection().getTable(getAllInOneTableName());
List<RawResource> result = Lists.newArrayList();
try {
ResultScanner scanner = table.getScanner(scan);
for (Result r : scanner) {
result.add(new RawResource(getInputStream(Bytes.toString(r.getRow()), r), getTimestamp(r)));
}
} catch (IOException e) {
for (RawResource rawResource : result) {
IOUtils.closeQuietly(rawResource.resource);
}
throw e;
} finally {
IOUtils.closeQuietly(table);
}
return result;
}
/*
* (non-Javadoc)
*
* @see com.impetus.kunderahbase.dao.user.UserDao#findAllByUserName(int)
*/
@Override
public void findAllByUserName(int count) {
Filter filter =
new SingleColumnValueFilter(
Bytes.toBytes("user_name"),
Bytes.toBytes("user_name"),
CompareOp.EQUAL,
Bytes.toBytes("Amry"));
Scan scan = new Scan();
scan.setFilter(filter);
scan.addColumn(Bytes.toBytes("user_name"), Bytes.toBytes("user_name"));
scan.addColumn(Bytes.toBytes("user_nameCnt"), Bytes.toBytes("user_nameCnt"));
scan.addColumn(Bytes.toBytes("password"), Bytes.toBytes("password"));
scan.addColumn(Bytes.toBytes("relation"), Bytes.toBytes("relation"));
ResultScanner scanner = null;
int counter = 0;
try {
scanner = hTablePool.getTable("User").getScanner(scan);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
assert scanner != null;
for (Result result : scanner) {
counter++;
assert result != null;
}
assert counter != 0;
assert counter == count;
}
@Override
public void process(long now, HRegion region, List<Mutation> mutations, WALEdit walEdit)
throws IOException {
List<Cell> kvs = new ArrayList<Cell>();
{ // First scan to get friends of the person
Scan scan = new Scan(row, row);
scan.addColumn(FAM, person);
doScan(region, scan, kvs);
}
// Second scan to get friends of friends
Scan scan = new Scan(row, row);
for (Cell kv : kvs) {
byte[] friends = CellUtil.cloneValue(kv);
for (byte f : friends) {
scan.addColumn(FAM, new byte[] {f});
}
}
doScan(region, scan, kvs);
// Collect result
result.clear();
for (Cell kv : kvs) {
for (byte b : CellUtil.cloneValue(kv)) {
result.add((char) b + "");
}
}
}
/**
* Get the QueueIds belonging to the named server from the ReplicationTableBase
*
* @param server name of the server
* @return a ResultScanner over the QueueIds belonging to the server
* @throws IOException
*/
private ResultScanner getAllQueuesScanner(String server) throws IOException {
Scan scan = new Scan();
SingleColumnValueFilter filterMyQueues =
new SingleColumnValueFilter(
CF_QUEUE, COL_QUEUE_OWNER, CompareFilter.CompareOp.EQUAL, Bytes.toBytes(server));
scan.setFilter(filterMyQueues);
scan.addColumn(CF_QUEUE, COL_QUEUE_OWNER);
scan.addColumn(CF_QUEUE, COL_QUEUE_OWNER_HISTORY);
ResultScanner results = replicationTable.getScanner(scan);
return results;
}
/**
* Sets up the actual job.
*
* @param conf The current configuration.
* @param args The command line parameters.
* @return The newly created job.
* @throws IOException When setting up the job fails.
*/
public static Job createSubmittableJob(Configuration conf, String[] args) throws IOException {
String tableName = args[0];
Job job = new Job(conf, NAME + "_" + tableName);
job.setJarByClass(CachingRowCounter.class);
// Columns are space delimited
StringBuilder sb = new StringBuilder();
final int columnoffset = 1;
for (int i = columnoffset; i < args.length; i++) {
if (i > columnoffset) {
sb.append(" ");
}
sb.append(args[i]);
}
Scan scan = new Scan();
scan.setFilter(new FirstKeyOnlyFilter());
if (sb.length() > 0) {
for (String columnName : sb.toString().split(" ")) {
String[] fields = columnName.split(":");
if (fields.length == 1) {
scan.addFamily(Bytes.toBytes(fields[0]));
} else {
scan.addColumn(Bytes.toBytes(fields[0]), Bytes.toBytes(fields[1]));
}
}
}
scan.setCaching(100);
// Second argument is the table name.
job.setOutputFormatClass(NullOutputFormat.class);
TableMapReduceUtil.initTableMapperJob(
tableName, scan, RowCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
job.setNumReduceTasks(0);
return job;
}
@Override
public Map<String, Integer> giveAvailableBikes(
long milliseconds, List<String> stationIds, Scan scan) throws IOException {
// scan has set the time stamp accordingly, i.e., the start and end row of
// the scan.
for (String qualifier : stationIds) {
log.debug("adding qualifier: " + qualifier);
scan.addColumn(colFamily, qualifier.getBytes());
}
InternalScanner scanner =
((RegionCoprocessorEnvironment) getEnvironment()).getRegion().getScanner(scan);
List<KeyValue> res = new ArrayList<KeyValue>();
Map<String, Integer> result = new HashMap<String, Integer>();
boolean hasMoreResult = false;
try {
do {
hasMoreResult = scanner.next(res);
for (KeyValue kv : res) {
// log.debug("got a kv: " + kv);
int availBikes = getFreeBikes(kv);
String id = Bytes.toString(kv.getQualifier());
// log.debug("result to be added is: " + availBikes + " id: " + id);
result.put(id, availBikes);
}
res.clear();
} while (hasMoreResult);
} finally {
scanner.close();
}
return result;
}
public Scan generateScan(
String[] rowRange, FilterList filterList, String[] family, String[] columns, int maxVersion)
throws Exception {
if (table == null) throw new Exception("No table handler");
if (cacheSize < 0) throw new Exception("should set cache size before scanning");
Scan scan = null;
try {
scan = new Scan();
scan.setCaching(this.cacheSize);
scan.setCacheBlocks(this.blockCached);
scan.setFilter(filterList);
if (maxVersion > 0) scan.setMaxVersions(maxVersion);
if (rowRange != null) {
scan.setStartRow(rowRange[0].getBytes());
if (rowRange.length == 2) scan.setStopRow(rowRange[1].getBytes());
}
if (columns != null) {
for (int i = 0; i < columns.length; i++) {
scan.addColumn(family[0].getBytes(), columns[i].getBytes());
// System.out.println(family[i]+";"+columns[i]);
}
} else {
scan.addFamily(family[0].getBytes());
}
} catch (Exception e) {
e.printStackTrace();
}
return scan;
}
/* (non-Javadoc)
* @see com.hazelcast.core.MapLoader#loadAllKeys()
*/
@Override
public Set<String> loadAllKeys() {
Set<String> keySet = null;
if (allowLoadAll) {
keySet = new HashSet<String>();
HTableInterface hti = null;
try {
hti = pool.getTable(tableName);
Scan s = new Scan();
s.addColumn(family, qualifier);
ResultScanner rs = hti.getScanner(s);
Result r = null;
while ((r = rs.next()) != null) {
String k = new String(r.getRow());
keySet.add(k);
}
} catch (IOException e) {
LOG.error("IOException while loading all keys", e);
} finally {
if (hti != null) {
pool.putTable(hti);
}
}
}
return keySet;
}
@Override
public void process(long now, HRegion region, List<Mutation> mutations, WALEdit walEdit)
throws IOException {
// Scan current counter
List<Cell> kvs = new ArrayList<Cell>();
Scan scan = new Scan(row, row);
scan.addColumn(FAM, COUNTER);
doScan(region, scan, kvs);
counter = kvs.size() == 0 ? 0 : Bytes.toInt(CellUtil.cloneValue(kvs.iterator().next()));
// Assert counter value
assertEquals(expectedCounter, counter);
// Increment counter and send it to both memstore and wal edit
counter += 1;
expectedCounter += 1;
Put p = new Put(row);
KeyValue kv = new KeyValue(row, FAM, COUNTER, now, Bytes.toBytes(counter));
p.add(kv);
mutations.add(p);
walEdit.add(kv);
// We can also inject some meta data to the walEdit
KeyValue metaKv =
new KeyValue(
row,
WALEdit.METAFAMILY,
Bytes.toBytes("I just increment counter"),
Bytes.toBytes(counter));
walEdit.add(metaKv);
}
private Scan createScan(final String columnFamily, final String[] headers) {
Scan scan = new Scan();
for (String header : headers) {
scan.addColumn(Bytes.toBytes(columnFamily), Bytes.toBytes(header));
}
return scan;
}
/*
* Add to each of the regions in .META. a value. Key is the startrow of the
* region (except its 'aaa' for first region). Actual value is the row name.
* @param expected
* @return
* @throws IOException
*/
private static int addToEachStartKey(final int expected) throws IOException {
HTable t = new HTable(TEST_UTIL.getConfiguration(), TABLENAME);
HTable meta = new HTable(TEST_UTIL.getConfiguration(), HConstants.META_TABLE_NAME);
int rows = 0;
Scan scan = new Scan();
scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
ResultScanner s = meta.getScanner(scan);
for (Result r = null; (r = s.next()) != null; ) {
byte[] b = r.getValue(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
if (b == null || b.length <= 0) break;
HRegionInfo hri = Writables.getHRegionInfo(b);
// If start key, add 'aaa'.
byte[] row = getStartKey(hri);
Put p = new Put(row);
p.setWriteToWAL(false);
p.add(getTestFamily(), getTestQualifier(), row);
t.put(p);
rows++;
}
s.close();
Assert.assertEquals(expected, rows);
t.close();
meta.close();
return rows;
}
/** @throws Throwable */
@Test
public void testStdWithValidRange() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
double std = aClient.std(TEST_TABLE, ci, scan);
assertEquals(5.766, std, 0.05d);
}
/**
* This will test the row count on the entire table. Startrow and endrow will be null.
*
* @throws Throwable
*/
@Test
public void testRowCountAllTable() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
long rowCount = aClient.rowCount(TEST_TABLE, ci, scan);
assertEquals(ROWSIZE, rowCount);
}
/** @throws Throwable */
@Test
public void testAvgWithValidRange() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
double avg = aClient.avg(TEST_TABLE, ci, scan);
assertEquals(9.5, avg, 0);
}
/** @throws Throwable */
@Test
public void testSumWithValidRange() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
long sum = aClient.sum(TEST_TABLE, ci, scan);
assertEquals(190, sum);
}
@Test
public void testRowCountWithPrefixFilter() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
scan.setFilter(f);
long rowCount = aClient.rowCount(TEST_TABLE, ci, scan);
assertEquals(0, rowCount);
}
/** @throws Throwable */
@Test
public void testMinWithValidRange2() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(ROWS[5]);
scan.setStopRow(ROWS[15]);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
long min = aClient.min(TEST_TABLE, ci, scan);
assertEquals(5, min);
}
/** @throws Throwable */
@Test
public void testMinWithValidRange() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(HConstants.EMPTY_START_ROW);
scan.setStopRow(HConstants.EMPTY_END_ROW);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
Long min = aClient.min(TEST_TABLE, ci, scan);
assertEquals(0l, min.longValue());
}
@Test
public void testMaxWithFilter() throws Throwable {
Long max = 0l;
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
scan.setFilter(f);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
max = aClient.max(TEST_TABLE, ci, scan);
assertEquals(null, max);
}
@Test
public void testAvgWithFilter() throws Throwable {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
scan.setFilter(f);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
Double avg = null;
avg = aClient.avg(TEST_TABLE, ci, scan);
assertEquals(Double.NaN, avg, 0);
}
public static void main(String[] args) throws IOException {
Configuration conf = HBaseClientHelper.loadDefaultConfiguration();
Connection connection = ConnectionFactory.createConnection(conf);
try {
Table table = connection.getTable(TableName.valueOf("testtable"));
try {
// 1 Put
Put p = new Put(Bytes.toBytes("row1"));
p.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("qual1"), Bytes.toBytes("val1"));
table.put(p);
// 2 Get
Get g = new Get(Bytes.toBytes("row1"));
Result r = table.get(g);
byte[] value = r.getValue(Bytes.toBytes("colfam1"), Bytes.toBytes("qual1"));
String valueStr = Bytes.toString(value);
System.out.println("GET: " + valueStr);
// 3 Scan
Scan s = new Scan();
s.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("qual1"));
ResultScanner scanner = table.getScanner(s);
try {
for (Result rr = scanner.next(); rr != null; rr = scanner.next()) {
System.out.println("Found row: " + rr);
}
// The other approach is to use a foreach loop. Scanners are
// iterable!
// for (Result rr : scanner) {
// System.out.println("Found row: " + rr);
// }
} finally {
scanner.close();
}
// Close your table and cluster connection.
} finally {
if (table != null) table.close();
}
} finally {
connection.close();
}
}
public List<RowLogMessage> next(String subscription, Long minimalTimestamp, boolean problematic)
throws RowLogException {
byte[] rowPrefix;
byte[] subscriptionBytes = Bytes.toBytes(subscription);
if (problematic) {
rowPrefix = PROBLEMATIC_MARKER;
rowPrefix = Bytes.add(rowPrefix, subscriptionBytes);
} else {
rowPrefix = subscriptionBytes;
}
byte[] startRow = rowPrefix;
if (minimalTimestamp != null) startRow = Bytes.add(startRow, Bytes.toBytes(minimalTimestamp));
try {
List<RowLogMessage> rowLogMessages = new ArrayList<RowLogMessage>();
Scan scan = new Scan(startRow);
if (minimalTimestamp != null) scan.setTimeRange(minimalTimestamp, Long.MAX_VALUE);
scan.addColumn(MESSAGES_CF, MESSAGE_COLUMN);
ResultScanner scanner = table.getScanner(scan);
boolean keepScanning = problematic;
do {
Result[] results = scanner.next(batchSize);
if (results.length == 0) {
keepScanning = false;
}
for (Result next : results) {
byte[] rowKey = next.getRow();
if (!Bytes.startsWith(rowKey, rowPrefix)) {
keepScanning = false;
break; // There were no messages for this subscription
}
if (problematic) {
rowKey = Bytes.tail(rowKey, rowKey.length - PROBLEMATIC_MARKER.length);
}
byte[] value = next.getValue(MESSAGES_CF, MESSAGE_COLUMN);
byte[] messageId = Bytes.tail(rowKey, rowKey.length - subscriptionBytes.length);
rowLogMessages.add(decodeMessage(messageId, value));
}
} while (keepScanning);
// The scanner is not closed in a finally block, since when we get an IOException from
// HBase, it is likely that closing the scanner will give problems too. Not closing
// the scanner is not fatal since HBase will expire it after a while.
Closer.close(scanner);
return rowLogMessages;
} catch (IOException e) {
throw new RowLogException("Failed to fetch next message from RowLogShard", e);
}
}
@Test
public void testAvgWithInvalidRange() {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(ROWS[5]);
scan.setStopRow(ROWS[1]);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
Double avg = null;
try {
avg = aClient.avg(TEST_TABLE, ci, scan);
} catch (Throwable e) {
}
assertEquals(null, avg); // control should go to the catch block
}
OfflineMerger(Configuration conf, FileSystem fs) throws IOException {
super(conf, fs, HConstants.META_TABLE_NAME);
Path rootTableDir =
HTableDescriptor.getTableDir(
fs.makeQualified(new Path(conf.get(HConstants.HBASE_DIR))),
HConstants.ROOT_TABLE_NAME);
// Scan root region to find all the meta regions
root =
HRegion.newHRegion(
rootTableDir,
hlog,
fs,
conf,
HRegionInfo.ROOT_REGIONINFO,
HTableDescriptor.ROOT_TABLEDESC,
null);
root.initialize();
Scan scan = new Scan();
scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
InternalScanner rootScanner = root.getScanner(scan);
try {
List<KeyValue> results = new ArrayList<KeyValue>();
boolean hasMore;
do {
hasMore = rootScanner.next(results);
for (KeyValue kv : results) {
HRegionInfo info = Writables.getHRegionInfoOrNull(kv.getValue());
if (info != null) {
metaRegions.add(info);
}
}
} while (hasMore);
} finally {
rootScanner.close();
try {
root.close();
} catch (IOException e) {
LOG.error(e);
}
}
}
@Test
public void testMaxWithInvalidRange2() throws Throwable {
long max = Long.MIN_VALUE;
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(ROWS[4]);
scan.setStopRow(ROWS[4]);
try {
AggregationClient aClient = new AggregationClient(conf);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
max = aClient.max(TEST_TABLE, ci, scan);
} catch (Exception e) {
max = 0;
}
assertEquals(0, max); // control should go to the catch block
}
@Override
public int run(String[] strings) throws Exception {
Configuration conf = new Configuration();
// String inputFileName = "/cluster/gmm.seq";
String outputFileName = "/cluster/matrix_intermediate_" + level + ".seq";
int result;
System.out.println("level:" + level);
conf.set("level", level + "");
String table = "ClusterDatabase";
// String seqFileName = "/cluster/gmm.seq";
Scan scan = new Scan();
scan.setStartRow((level + "|").getBytes());
scan.setStopRow(
Bytes.add((level + "|").getBytes(), Bytes.toBytes("ffffffffffffffffffffffffffffffff")));
scan.addColumn("Cluster".getBytes(), "GMM".getBytes());
// try (FileSystem fileSystem = FileSystem.get(conf)) {
FileSystem fileSystem = FileSystem.get(conf);
Path outputpath = new Path(outputFileName);
if (fileSystem.exists(outputpath)) {
fileSystem.delete(outputpath, true);
}
Job job = new Job(conf, "Matrix Creation I From HBase");
job.setJarByClass(MatrixCreationI.class);
TableMapReduceUtil.initTableMapperJob(
table, scan, MatrixMapper.class, IntWritable.class, Text.class, job);
job.setReducerClass(MatrixReducer.class);
job.setMapOutputKeyClass(IntWritable.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
// job.setInputFormatClass(TableInputFormat.class);
// job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
job.setNumReduceTasks(1);
// FileInputFormat.addInputPath(job, new Path(inputFileName + "/part*"));
FileOutputFormat.setOutputPath(job, outputpath);
result = job.waitForCompletion(true) ? 0 : 1;
// }
return result;
}
/**
* This will test the row count with startrow > endrow. The result should be -1.
*
* @throws Throwable
*/
@Test
public void testRowCountWithInvalidRange1() {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(ROWS[5]);
scan.setStopRow(ROWS[2]);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
long rowCount = -1;
try {
rowCount = aClient.rowCount(TEST_TABLE, ci, scan);
} catch (Throwable e) {
myLog.error("Exception thrown in the invalidRange method" + e.getStackTrace());
}
assertEquals(-1, rowCount);
}
/**
* This will test the row count with startrow = endrow and they will be non-null. The result
* should be 0, as it assumes a non-get query.
*
* @throws Throwable
*/
@Test
public void testRowCountWithInvalidRange2() {
AggregationClient aClient = new AggregationClient(conf);
Scan scan = new Scan();
scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
scan.setStartRow(ROWS[5]);
scan.setStopRow(ROWS[5]);
final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
new LongColumnInterpreter();
long rowCount = -1;
try {
rowCount = aClient.rowCount(TEST_TABLE, ci, scan);
} catch (Throwable e) {
rowCount = 0;
}
assertEquals(0, rowCount);
}
@SuppressWarnings({"rawtypes", "unchecked"})
public void Read() throws IOException {
List list = new ArrayList();
Scan scan = new Scan();
scan.setBatch(0);
scan.setCaching(10000);
scan.setMaxVersions();
scan.addColumn(Bytes.toBytes("cf1"), Bytes.toBytes("total"));
ResultScanner rsScanner = table.getScanner(scan);
for (Result rs : rsScanner) {
String date = Bytes.toString(rs.getRow());
String total = Bytes.toString(rs.getValue(Bytes.toBytes("cf1"), Bytes.toBytes("total")));
list.add(date + "\t" + total);
}
for (int i = 0; i < 7; i++)
System.out.println((String) list.get(i) + "\t" + (String) list.get(i + 7));
}