Package org.apache.hadoop.hbase.thrift.generated

Examples of org.apache.hadoop.hbase.thrift.generated.Mutation

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    Hbase.Client client = controller.getThriftClient();
    client.createTable(TABLE, columns);

    ArrayList<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, COLUMN, VALUE));
    client.mutateRow(TABLE, ROW, mutations);
   
    int scan1 = client.scannerOpen(TABLE, FIRST, Lists.newArrayList(FAMILY1));
    List<TRowResult> rows = client.scannerGet(scan1);
    assertThat(rows.size(), is(1));
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    Hbase.Client client = controller.getThriftClient();
    client.createTable(TABLE, columns);

    ArrayList<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, COLUMN, VALUE));
    client.mutateRow(TABLE, ROW, mutations);
   
    int scan1 = client.scannerOpen(TABLE, FIRST, Lists.newArrayList(FAMILY1));
    List<TRowResult> rows = client.scannerGet(scan1);
    assertThat(rows.size(), is(1));
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    dropTestTables(handler);
  }

  public static void doTestIncrements(HBaseHandler handler) throws Exception {
    List<Mutation> mutations = new ArrayList<Mutation>(1);
    mutations.add(new Mutation(false, columnAAname, valueEname, true));
    mutations.add(new Mutation(false, columnAname, valueEname, true));
    handler.mutateRow(tableAname, rowAname, mutations, null);
    handler.mutateRow(tableAname, rowBname, mutations, null);

    List<TIncrement> increments = new ArrayList<TIncrement>();
    increments.add(new TIncrement(tableAname, rowBname, columnAAname, 7));
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    Hbase.Client client = controller.getThriftClient();
    client.createTable(TABLE, columns);

    ArrayList<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, COLUMN, VALUE));
    client.mutateRow(TABLE, ROW, mutations);
   
    int scan1 = client.scannerOpen(TABLE, FIRST, Lists.newArrayList(FAMILY1));
    List<TRowResult> rows = client.scannerGet(scan1);
    assertThat(rows.size(), is(1));
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    Hbase.Client client = controller.getThriftClient();
    client.createTable(TABLE, columns);

    ArrayList<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, COLUMN, VALUE));
    client.mutateRow(TABLE, ROW, mutations);
   
    int scan1 = client.scannerOpen(TABLE, FIRST, Lists.newArrayList(FAMILY1));
    List<TRowResult> rows = client.scannerGet(scan1);
    assertThat(rows.size(), is(1));
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        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<Mutation>();
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid)));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("foo")), mutations);

        // try empty strings
        mutations = new ArrayList<Mutation>();
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:")), ByteBuffer.wrap(bytes(""))));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("")), mutations);

        // this row name is valid utf8
        mutations = new ArrayList<Mutation>();
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(valid)));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(valid), mutations);

        // non-utf8 is now allowed in row names because HBase stores values as binary
        ByteBuffer bf = ByteBuffer.wrap(invalid);

        mutations = new ArrayList<Mutation>();
        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid)));
        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(invalid), mutations);


        // Run a scanner on the rows we just created
        ArrayList<ByteBuffer> columnNames = new ArrayList<ByteBuffer>();
        columnNames.add(ByteBuffer.wrap(bytes("entry:")));

        System.out.println("Starting scanner...");
        int scanner = client.scannerOpen(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("")), columnNames);
       
        while (true) {
            List<TRowResult> entry = client.scannerGet(scanner);
            if (entry.isEmpty()) {
                break;
            }
            printRow(entry);
        }

        //
        // Run some operations on a bunch of rows
        //
        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<Mutation>();
            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("unused:")), ByteBuffer.wrap(bytes("DELETE_ME"))));
            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations);
            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row)));
            client.deleteAllRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row));

            mutations = new ArrayList<Mutation>();
            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes("0"))));
            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(bytes("FOO"))));
            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations);
            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row)));

            Mutation m = null;
            mutations = new ArrayList<Mutation>();
            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);
            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row)));

            mutations = new ArrayList<Mutation>();
            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes(Integer.toString(i)))));
            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:sqr")), ByteBuffer.wrap(bytes(Integer.toString(i * i)))));
            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations);
            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row)));

            // 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;
            client.mutateRowTs(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, 1); // shouldn't override latest
            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row)));

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    size = handler.getRow(tableAname, rowBname).size();
    assertEquals(0, size);

    // Try null mutation
    List<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, columnAname, null));
    handler.mutateRow(tableAname, rowAname, mutations);
    TRowResult rowResult3 = handler.getRow(tableAname, rowAname).get(0);
    assertEquals(rowAname, rowResult3.row);
    assertEquals(0, rowResult3.columns.get(columnAname).value.array().length);
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   * @return a List of Mutations for a row, with columnA having valueA
   * and columnB having valueB
   */
  private List<Mutation> getMutations() {
    List<Mutation> mutations = new ArrayList<Mutation>();
    mutations.add(new Mutation(false, columnAname, valueAname));
    mutations.add(new Mutation(false, columnBname, valueBname));
    return mutations;
  }
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  private List<BatchMutation> getBatchMutations() {
    List<BatchMutation> batchMutations = new ArrayList<BatchMutation>();

    // Mutations to rowA.  You can't mix delete and put anymore.
    List<Mutation> rowAmutations = new ArrayList<Mutation>();
    rowAmutations.add(new Mutation(true, columnAname, null));
    batchMutations.add(new BatchMutation(rowAname, rowAmutations));

    rowAmutations = new ArrayList<Mutation>();
    rowAmutations.add(new Mutation(false, columnBname, valueCname));
    batchMutations.add(new BatchMutation(rowAname, rowAmutations));

    // Mutations to rowB
    List<Mutation> rowBmutations = new ArrayList<Mutation>();
    rowBmutations.add(new Mutation(false, columnAname, valueCname));
    rowBmutations.add(new Mutation(false, columnBname, valueDname));
    batchMutations.add(new BatchMutation(rowBname, rowBmutations));

    return batchMutations;
  }
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    dropTestTables(handler);
  }

  public static void doTestIncrements(HBaseHandler handler) throws Exception {
    List<Mutation> mutations = new ArrayList<Mutation>(1);
    mutations.add(new Mutation(false, columnAAname, valueEname, true));
    mutations.add(new Mutation(false, columnAname, valueEname, true));
    handler.mutateRow(tableAname, rowAname, mutations, null);
    handler.mutateRow(tableAname, rowBname, mutations, null);

    List<TIncrement> increments = new ArrayList<TIncrement>();
    increments.add(new TIncrement(tableAname, rowBname, columnAAname, 7));
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