Examples with Writer org.apache.accumulo.core.clientImpl.Writer used on opensource projects

Example 1 with Writer

use of org.apache.accumulo.core.clientImpl.Writer in project accumulo by apache.

the class ReplicationTableUtil method getWriter.

static synchronized Writer getWriter(ClientContext context) {
    Writer replicationTable = writers.get(context.getCredentials());
    if (replicationTable == null) {
        configureMetadataTable(context, MetadataTable.NAME);
        replicationTable = new Writer(context, MetadataTable.ID);
        writers.put(context.getCredentials(), replicationTable);
    }
    return replicationTable;
}

Example 2 with Writer

use of org.apache.accumulo.core.clientImpl.Writer in project accumulo by apache.

the class MetadataTableUtil method getRootTable.

public static synchronized Writer getRootTable(ServerContext context) {
    Credentials credentials = context.getCredentials();
    Writer rootTable = root_tables.get(credentials);
    if (rootTable == null) {
        rootTable = new Writer(context, RootTable.ID);
        root_tables.put(credentials, rootTable);
    }
    return rootTable;
}

Example 3 with Writer

use of org.apache.accumulo.core.clientImpl.Writer in project accumulo by apache.

the class MetadataTableUtil method getMetadataTable.

public static synchronized Writer getMetadataTable(ServerContext context) {
    Credentials credentials = context.getCredentials();
    Writer metadataTable = metadata_tables.get(credentials);
    if (metadataTable == null) {
        metadataTable = new Writer(context, MetadataTable.ID);
        metadata_tables.put(credentials, metadataTable);
    }
    return metadataTable;
}

Example 4 with Writer

use of org.apache.accumulo.core.clientImpl.Writer in project accumulo by apache.

the class MetaConstraintRetryIT method test.

// a test for ACCUMULO-3096
@Test
public void test() throws Exception {
    try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) {
        client.securityOperations().grantTablePermission(getAdminPrincipal(), MetadataTable.NAME, TablePermission.WRITE);
        ServerContext context = getServerContext();
        Writer w = new Writer(context, MetadataTable.ID);
        KeyExtent extent = new KeyExtent(TableId.of("5"), null, null);
        Mutation m = new Mutation(extent.toMetaRow());
        // unknown columns should cause constraint violation
        m.put("badcolfam", "badcolqual", "3");
        var e = assertThrows(RuntimeException.class, () -> MetadataTableUtil.update(context, w, null, m, extent));
        assertEquals(ConstraintViolationException.class, e.getCause().getClass());
    }
}

Example 5 with Writer

use of org.apache.accumulo.core.clientImpl.Writer in project accumulo by apache.

the class ReplicationTableUtilTest method properPathInRow.

@Test
public void properPathInRow() throws Exception {
    Writer writer = EasyMock.createNiceMock(Writer.class);
    writer.update(EasyMock.anyObject(Mutation.class));
    final List<Mutation> mutations = new ArrayList<>();
    // Mock a Writer to just add the mutation to a list
    EasyMock.expectLastCall().andAnswer(() -> {
        mutations.add(((Mutation) EasyMock.getCurrentArguments()[0]));
        return null;
    });
    EasyMock.replay(writer);
    Credentials creds = new Credentials("root", new PasswordToken(""));
    ClientContext context = EasyMock.createMock(ClientContext.class);
    EasyMock.expect(context.getCredentials()).andReturn(creds).anyTimes();
    EasyMock.replay(context);
    // Magic hook to create a Writer
    ReplicationTableUtil.addWriter(creds, writer);
    // Example file seen coming out of LogEntry
    UUID uuid = UUID.randomUUID();
    String myFile = "file:////home/user/accumulo/wal/server+port/" + uuid;
    long createdTime = System.currentTimeMillis();
    ReplicationTableUtil.updateFiles(context, new KeyExtent(TableId.of("1"), null, null), myFile, StatusUtil.fileCreated(createdTime));
    verify(writer);
    assertEquals(1, mutations.size());
    Mutation m = mutations.get(0);
    assertEquals(ReplicationSection.getRowPrefix() + "file:/home/user/accumulo/wal/server+port/" + uuid, new Text(m.getRow()).toString());
    List<ColumnUpdate> updates = m.getUpdates();
    assertEquals(1, updates.size());
    ColumnUpdate update = updates.get(0);
    assertEquals(ReplicationSection.COLF, new Text(update.getColumnFamily()));
    assertEquals("1", new Text(update.getColumnQualifier()).toString());
    assertEquals(StatusUtil.fileCreatedValue(createdTime), new Value(update.getValue()));
}