Examples with Mutation org.apache.accumulo.core.data.Mutation used on opensource projects

Example 36 with Mutation

use of org.apache.accumulo.core.data.Mutation in project accumulo by apache.

the class TableChangeStateIT method createData.

/**
 * Create the provided table and populate with some data using a batch writer. The table is scanned to ensure it was populated as expected.
 *
 * @param tableName
 *          the name of the table
 */
private void createData(final String tableName) {
    try {
        // create table.
        connector.tableOperations().create(tableName);
        BatchWriter bw = connector.createBatchWriter(tableName, new BatchWriterConfig());
        // populate
        for (int i = 0; i < NUM_ROWS; i++) {
            Mutation m = new Mutation(new Text(String.format("%05d", i)));
            m.put(new Text("col" + Integer.toString((i % 3) + 1)), new Text("qual"), new Value("junk".getBytes(UTF_8)));
            bw.addMutation(m);
        }
        bw.close();
        long startTimestamp = System.nanoTime();
        try (Scanner scanner = connector.createScanner(tableName, Authorizations.EMPTY)) {
            int count = 0;
            for (Map.Entry<Key, Value> elt : scanner) {
                String expected = String.format("%05d", count);
                assert (elt.getKey().getRow().toString().equals(expected));
                count++;
            }
            log.trace("Scan time for {} rows {} ms", NUM_ROWS, TimeUnit.MILLISECONDS.convert((System.nanoTime() - startTimestamp), TimeUnit.NANOSECONDS));
            if (count != NUM_ROWS) {
                throw new IllegalStateException(String.format("Number of rows %1$d does not match expected %2$d", count, NUM_ROWS));
            }
        }
    } catch (AccumuloException | AccumuloSecurityException | TableNotFoundException | TableExistsException ex) {
        throw new IllegalStateException("Create data failed with exception", ex);
    }
}

Example 37 with Mutation

use of org.apache.accumulo.core.data.Mutation in project accumulo by apache.

the class TabletStateChangeIteratorIT method addDuplicateLocation.

private void addDuplicateLocation(String table, String tableNameToModify) throws TableNotFoundException, MutationsRejectedException {
    Table.ID tableIdToModify = Table.ID.of(getConnector().tableOperations().tableIdMap().get(tableNameToModify));
    Mutation m = new Mutation(new KeyExtent(tableIdToModify, null, null).getMetadataEntry());
    m.put(MetadataSchema.TabletsSection.CurrentLocationColumnFamily.NAME, new Text("1234567"), new Value("fake:9005".getBytes(UTF_8)));
    BatchWriter bw = getConnector().createBatchWriter(table, null);
    bw.addMutation(m);
    bw.close();
}

Example 38 with Mutation

use of org.apache.accumulo.core.data.Mutation in project accumulo by apache.

the class TabletStateChangeIteratorIT method reassignLocation.

private void reassignLocation(String table, String tableNameToModify) throws TableNotFoundException, MutationsRejectedException {
    Table.ID tableIdToModify = Table.ID.of(getConnector().tableOperations().tableIdMap().get(tableNameToModify));
    try (Scanner scanner = getConnector().createScanner(table, Authorizations.EMPTY)) {
        scanner.setRange(new KeyExtent(tableIdToModify, null, null).toMetadataRange());
        scanner.fetchColumnFamily(MetadataSchema.TabletsSection.CurrentLocationColumnFamily.NAME);
        Entry<Key, Value> entry = scanner.iterator().next();
        Mutation m = new Mutation(entry.getKey().getRow());
        m.putDelete(entry.getKey().getColumnFamily(), entry.getKey().getColumnQualifier(), entry.getKey().getTimestamp());
        m.put(entry.getKey().getColumnFamily(), new Text("1234567"), entry.getKey().getTimestamp() + 1, new Value("fake:9005".getBytes(UTF_8)));
        BatchWriter bw = getConnector().createBatchWriter(table, null);
        bw.addMutation(m);
        bw.close();
    }
}

Example 39 with Mutation

use of org.apache.accumulo.core.data.Mutation in project accumulo by apache.

the class TimeoutIT method testBatchWriterTimeout.

public void testBatchWriterTimeout(Connector conn, String tableName) throws Exception {
    conn.tableOperations().create(tableName);
    conn.tableOperations().addConstraint(tableName, SlowConstraint.class.getName());
    // give constraint time to propagate through zookeeper
    sleepUninterruptibly(1, TimeUnit.SECONDS);
    BatchWriter bw = conn.createBatchWriter(tableName, new BatchWriterConfig().setTimeout(3, TimeUnit.SECONDS));
    Mutation mut = new Mutation("r1");
    mut.put("cf1", "cq1", "v1");
    bw.addMutation(mut);
    try {
        bw.close();
        fail("batch writer did not timeout");
    } catch (MutationsRejectedException mre) {
        if (mre.getCause() instanceof TimedOutException)
            return;
        throw mre;
    }
}

Example 40 with Mutation

use of org.apache.accumulo.core.data.Mutation in project accumulo by apache.

the class ScanIteratorIT method writeTestMutation.

private void writeTestMutation(Connector userC) throws TableNotFoundException, MutationsRejectedException {
    BatchWriter batchWriter = userC.createBatchWriter(tableName, new BatchWriterConfig());
    Mutation m = new Mutation("1");
    m.put(new Text("2"), new Text("3"), new Value("".getBytes()));
    batchWriter.addMutation(m);
    batchWriter.flush();
    batchWriter.close();
}