Examples with TCell org.apache.hadoop.hbase.thrift.generated.TCell used on opensource projects

Example 1 with TCell

use of org.apache.hadoop.hbase.thrift.generated.TCell in project hbase by apache.

the class HttpDoAsClient method printVersions.

private void printVersions(ByteBuffer row, List<TCell> versions) {
    StringBuilder rowStr = new StringBuilder();
    for (TCell cell : versions) {
        rowStr.append(utf8(cell.value.array()));
        rowStr.append("; ");
    }
    System.out.println("row: " + utf8(row.array()) + ", values: " + rowStr);
}

Example 2 with TCell

use of org.apache.hadoop.hbase.thrift.generated.TCell in project hbase by apache.

the class ThriftUtilities method rowResultFromHBase.

/**
   * This utility method creates a list of Thrift TRowResult "struct" based on
   * an Hbase RowResult object. The empty list is returned if the input is
   * null.
   *
   * @param in
   *          Hbase RowResult object
   * @param sortColumns
   *          This boolean dictates if row data is returned in a sorted order
   *          sortColumns = True will set TRowResult's sortedColumns member
   *                        which is an ArrayList of TColumn struct
   *          sortColumns = False will set TRowResult's columns member which is
   *                        a map of columnName and TCell struct
   * @return Thrift TRowResult array
   */
public static List<TRowResult> rowResultFromHBase(Result[] in, boolean sortColumns) {
    List<TRowResult> results = new ArrayList<>(in.length);
    for (Result result_ : in) {
        if (result_ == null || result_.isEmpty()) {
            continue;
        }
        TRowResult result = new TRowResult();
        result.row = ByteBuffer.wrap(result_.getRow());
        if (sortColumns) {
            result.sortedColumns = new ArrayList<>();
            for (Cell kv : result_.rawCells()) {
                result.sortedColumns.add(new TColumn(ByteBuffer.wrap(KeyValue.makeColumn(CellUtil.cloneFamily(kv), CellUtil.cloneQualifier(kv))), new TCell(ByteBuffer.wrap(CellUtil.cloneValue(kv)), kv.getTimestamp())));
            }
        } else {
            result.columns = new TreeMap<>();
            for (Cell kv : result_.rawCells()) {
                result.columns.put(ByteBuffer.wrap(KeyValue.makeColumn(CellUtil.cloneFamily(kv), CellUtil.cloneQualifier(kv))), new TCell(ByteBuffer.wrap(CellUtil.cloneValue(kv)), kv.getTimestamp()));
            }
        }
        results.add(result);
    }
    return results;
}

Example 3 with TCell

use of org.apache.hadoop.hbase.thrift.generated.TCell in project hbase by apache.

the class TestThriftServer method testMetricsWithException.

@Test
public void testMetricsWithException() throws Exception {
    String rowkey = "row1";
    String family = "f";
    String col = "c";
    // create a table which will throw exceptions for requests
    final TableName tableName = TableName.valueOf(name.getMethodName());
    HTableDescriptor tableDesc = new HTableDescriptor(tableName);
    tableDesc.addCoprocessor(ErrorThrowingGetObserver.class.getName());
    tableDesc.addFamily(new HColumnDescriptor(family));
    Table table = UTIL.createTable(tableDesc, null);
    long now = System.currentTimeMillis();
    table.put(new Put(Bytes.toBytes(rowkey)).addColumn(Bytes.toBytes(family), Bytes.toBytes(col), now, Bytes.toBytes("val1")));
    Configuration conf = UTIL.getConfiguration();
    ThriftMetrics metrics = getMetrics(conf);
    ThriftServerRunner.HBaseHandler hbaseHandler = new ThriftServerRunner.HBaseHandler(UTIL.getConfiguration(), UserProvider.instantiate(UTIL.getConfiguration()));
    Hbase.Iface handler = HbaseHandlerMetricsProxy.newInstance(hbaseHandler, metrics, conf);
    ByteBuffer tTableName = asByteBuffer(tableName.getNameAsString());
    // check metrics increment with a successful get
    long preGetCounter = metricsHelper.checkCounterExists("getRow_num_ops", metrics.getSource()) ? metricsHelper.getCounter("getRow_num_ops", metrics.getSource()) : 0;
    List<TRowResult> tRowResult = handler.getRow(tTableName, asByteBuffer(rowkey), null);
    assertEquals(1, tRowResult.size());
    TRowResult tResult = tRowResult.get(0);
    TCell expectedColumnValue = new TCell(asByteBuffer("val1"), now);
    assertArrayEquals(Bytes.toBytes(rowkey), tResult.getRow());
    Collection<TCell> returnedColumnValues = tResult.getColumns().values();
    assertEquals(1, returnedColumnValues.size());
    assertEquals(expectedColumnValue, returnedColumnValues.iterator().next());
    metricsHelper.assertCounter("getRow_num_ops", preGetCounter + 1, metrics.getSource());
    // check metrics increment when the get throws each exception type
    for (ErrorThrowingGetObserver.ErrorType type : ErrorThrowingGetObserver.ErrorType.values()) {
        testExceptionType(handler, metrics, tTableName, rowkey, type);
    }
}

Example 4 with TCell

use of org.apache.hadoop.hbase.thrift.generated.TCell in project hbase by apache.

the class DemoClient method printVersions.

private void printVersions(ByteBuffer row, List<TCell> versions) {
    StringBuilder rowStr = new StringBuilder();
    for (TCell cell : versions) {
        rowStr.append(utf8(cell.value.array()));
        rowStr.append("; ");
    }
    System.out.println("row: " + utf8(row.array()) + ", values: " + rowStr);
}

Example 5 with TCell

use of org.apache.hadoop.hbase.thrift.generated.TCell in project hbase by apache.

the class DemoClient method run.

private void run() throws Exception {
    TTransport transport = new TSocket(host, port);
    if (secure) {
        Map<String, String> saslProperties = new HashMap<>();
        saslProperties.put(Sasl.QOP, "auth-conf,auth-int,auth");
        /**
           * The Thrift server the DemoClient is trying to connect to
           * must have a matching principal, and support authentication.
           *
           * The HBase cluster must be secure, allow proxy user.
           */
        transport = new TSaslClientTransport("GSSAPI", null, // Thrift server user name, should be an authorized proxy user.
        "hbase", // Thrift server domain
        host, saslProperties, null, transport);
    }
    transport.open();
    TProtocol protocol = new TBinaryProtocol(transport, true, true);
    Hbase.Client client = new Hbase.Client(protocol);
    byte[] t = bytes("demo_table");
    //
    // Scan all tables, look for the demo table and delete it.
    //
    System.out.println("scanning tables...");
    for (ByteBuffer name : client.getTableNames()) {
        System.out.println("  found: " + utf8(name.array()));
        if (utf8(name.array()).equals(utf8(t))) {
            if (client.isTableEnabled(name)) {
                System.out.println("    disabling table: " + utf8(name.array()));
                client.disableTable(name);
            }
            System.out.println("    deleting table: " + utf8(name.array()));
            client.deleteTable(name);
        }
    }
    //
    // Create the demo table with two column families, entry: and unused:
    //
    ArrayList<ColumnDescriptor> columns = new ArrayList<>(2);
    ColumnDescriptor col;
    col = new ColumnDescriptor();
    col.name = ByteBuffer.wrap(bytes("entry:"));
    col.timeToLive = Integer.MAX_VALUE;
    col.maxVersions = 10;
    columns.add(col);
    col = new ColumnDescriptor();
    col.name = ByteBuffer.wrap(bytes("unused:"));
    col.timeToLive = Integer.MAX_VALUE;
    columns.add(col);
    System.out.println("creating table: " + utf8(t));
    try {
        client.createTable(ByteBuffer.wrap(t), columns);
    } catch (AlreadyExists ae) {
        System.out.println("WARN: " + ae.message);
    }
    System.out.println("column families in " + utf8(t) + ": ");
    Map<ByteBuffer, ColumnDescriptor> columnMap = client.getColumnDescriptors(ByteBuffer.wrap(t));
    for (ColumnDescriptor col2 : columnMap.values()) {
        System.out.println("  column: " + utf8(col2.name.array()) + ", maxVer: " + Integer.toString(col2.maxVersions));
    }
    Map<ByteBuffer, ByteBuffer> dummyAttributes = null;
    boolean writeToWal = false;
    //
    // Test UTF-8 handling
    //
    byte[] invalid = { (byte) 'f', (byte) 'o', (byte) 'o', (byte) '-', (byte) 0xfc, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1 };
    byte[] valid = { (byte) 'f', (byte) 'o', (byte) 'o', (byte) '-', (byte) 0xE7, (byte) 0x94, (byte) 0x9F, (byte) 0xE3, (byte) 0x83, (byte) 0x93, (byte) 0xE3, (byte) 0x83, (byte) 0xBC, (byte) 0xE3, (byte) 0x83, (byte) 0xAB };
    ArrayList<Mutation> mutations;
    // non-utf8 is fine for data
    mutations = new ArrayList<>(1);
    mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid), writeToWal));
    client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("foo")), mutations, dummyAttributes);
    // this row name is valid utf8
    mutations = new ArrayList<>(1);
    mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(valid), writeToWal));
    client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(valid), mutations, dummyAttributes);
    // non-utf8 is now allowed in row names because HBase stores values as binary
    mutations = new ArrayList<>(1);
    mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid), writeToWal));
    client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(invalid), mutations, dummyAttributes);
    // Run a scanner on the rows we just created
    ArrayList<ByteBuffer> columnNames = new ArrayList<>();
    columnNames.add(ByteBuffer.wrap(bytes("entry:")));
    System.out.println("Starting scanner...");
    int scanner = client.scannerOpen(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("")), columnNames, dummyAttributes);
    while (true) {
        List<TRowResult> entry = client.scannerGet(scanner);
        if (entry.isEmpty()) {
            break;
        }
        printRow(entry);
    }
    //
    for (int i = 100; i >= 0; --i) {
        // format row keys as "00000" to "00100"
        NumberFormat nf = NumberFormat.getInstance();
        nf.setMinimumIntegerDigits(5);
        nf.setGroupingUsed(false);
        byte[] row = bytes(nf.format(i));
        mutations = new ArrayList<>(1);
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("unused:")), ByteBuffer.wrap(bytes("DELETE_ME")), writeToWal));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);
        printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));
        client.deleteAllRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes);
        // sleep to force later timestamp
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {
        // no-op
        }
        mutations = new ArrayList<>(2);
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes("0")), writeToWal));
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(bytes("FOO")), writeToWal));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);
        printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));
        Mutation m;
        mutations = new ArrayList<>(2);
        m = new Mutation();
        m.column = ByteBuffer.wrap(bytes("entry:foo"));
        m.isDelete = true;
        mutations.add(m);
        m = new Mutation();
        m.column = ByteBuffer.wrap(bytes("entry:num"));
        m.value = ByteBuffer.wrap(bytes("-1"));
        mutations.add(m);
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);
        printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));
        mutations = new ArrayList<>();
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes(Integer.toString(i))), writeToWal));
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:sqr")), ByteBuffer.wrap(bytes(Integer.toString(i * i))), writeToWal));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);
        printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));
        // sleep to force later timestamp
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {
        // no-op
        }
        mutations.clear();
        m = new Mutation();
        m.column = ByteBuffer.wrap(bytes("entry:num"));
        m.value = ByteBuffer.wrap(bytes("-999"));
        mutations.add(m);
        m = new Mutation();
        m.column = ByteBuffer.wrap(bytes("entry:sqr"));
        m.isDelete = true;
        // shouldn't override latest
        client.mutateRowTs(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, 1, dummyAttributes);
        printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));
        List<TCell> versions = client.getVer(ByteBuffer.wrap(t), ByteBuffer.wrap(row), ByteBuffer.wrap(bytes("entry:num")), 10, dummyAttributes);
        printVersions(ByteBuffer.wrap(row), versions);
        if (versions.isEmpty()) {
            System.out.println("FATAL: wrong # of versions");
            System.exit(-1);
        }
        List<TCell> result = client.get(ByteBuffer.wrap(t), ByteBuffer.wrap(row), ByteBuffer.wrap(bytes("entry:foo")), dummyAttributes);
        if (!result.isEmpty()) {
            System.out.println("FATAL: shouldn't get here");
            System.exit(-1);
        }
        System.out.println("");
    }
    // scan all rows/columnNames
    columnNames.clear();
    for (ColumnDescriptor col2 : client.getColumnDescriptors(ByteBuffer.wrap(t)).values()) {
        System.out.println("column with name: " + new String(col2.name.array()));
        System.out.println(col2.toString());
        columnNames.add(col2.name);
    }
    System.out.println("Starting scanner...");
    scanner = client.scannerOpenWithStop(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("00020")), ByteBuffer.wrap(bytes("00040")), columnNames, dummyAttributes);
    while (true) {
        List<TRowResult> entry = client.scannerGet(scanner);
        if (entry.isEmpty()) {
            System.out.println("Scanner finished");
            break;
        }
        printRow(entry);
    }
    transport.close();
}