Examples with Delete org.apache.hadoop.hbase.client.Delete used on opensource projects

Example 6 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class MetaTableAccessor method deleteRegion.

/**
   * Deletes the specified region from META.
   * @param connection connection we're using
   * @param regionInfo region to be deleted from META
   * @throws IOException
   */
public static void deleteRegion(Connection connection, HRegionInfo regionInfo) throws IOException {
    long time = EnvironmentEdgeManager.currentTime();
    Delete delete = new Delete(regionInfo.getRegionName());
    delete.addFamily(getCatalogFamily(), time);
    deleteFromMetaTable(connection, delete);
    LOG.info("Deleted " + regionInfo.getRegionNameAsString());
}

Example 7 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class HelloHBase method deleteRow.

/**
   * Invokes Table#delete to delete test data (i.e. the row)
   *
   * @param table Standard Table object
   * @throws IOException If IO problem is encountered
   */
static void deleteRow(final Table table) throws IOException {
    System.out.println("Deleting row [" + Bytes.toString(MY_ROW_ID) + "] from Table [" + table.getName().getNameAsString() + "].");
    table.delete(new Delete(MY_ROW_ID));
}

Example 8 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class RSGroupInfoManagerImpl method flushConfigTable.

private synchronized Map<TableName, String> flushConfigTable(Map<String, RSGroupInfo> groupMap) throws IOException {
    Map<TableName, String> newTableMap = Maps.newHashMap();
    List<Mutation> mutations = Lists.newArrayList();
    // populate deletes
    for (String groupName : prevRSGroups) {
        if (!groupMap.containsKey(groupName)) {
            Delete d = new Delete(Bytes.toBytes(groupName));
            mutations.add(d);
        }
    }
    // populate puts
    for (RSGroupInfo RSGroupInfo : groupMap.values()) {
        RSGroupProtos.RSGroupInfo proto = RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo);
        Put p = new Put(Bytes.toBytes(RSGroupInfo.getName()));
        p.addColumn(META_FAMILY_BYTES, META_QUALIFIER_BYTES, proto.toByteArray());
        mutations.add(p);
        for (TableName entry : RSGroupInfo.getTables()) {
            newTableMap.put(entry, RSGroupInfo.getName());
        }
    }
    if (mutations.size() > 0) {
        multiMutate(mutations);
    }
    return newTableMap;
}

Example 9 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class RSGroupInfoManagerImpl method multiMutate.

private void multiMutate(List<Mutation> mutations) throws IOException {
    CoprocessorRpcChannel channel = rsGroupTable.coprocessorService(ROW_KEY);
    MultiRowMutationProtos.MutateRowsRequest.Builder mmrBuilder = MultiRowMutationProtos.MutateRowsRequest.newBuilder();
    for (Mutation mutation : mutations) {
        if (mutation instanceof Put) {
            mmrBuilder.addMutationRequest(org.apache.hadoop.hbase.protobuf.ProtobufUtil.toMutation(org.apache.hadoop.hbase.protobuf.generated.ClientProtos.MutationProto.MutationType.PUT, mutation));
        } else if (mutation instanceof Delete) {
            mmrBuilder.addMutationRequest(org.apache.hadoop.hbase.protobuf.ProtobufUtil.toMutation(org.apache.hadoop.hbase.protobuf.generated.ClientProtos.MutationProto.MutationType.DELETE, mutation));
        } else {
            throw new DoNotRetryIOException("multiMutate doesn't support " + mutation.getClass().getName());
        }
    }
    MultiRowMutationProtos.MultiRowMutationService.BlockingInterface service = MultiRowMutationProtos.MultiRowMutationService.newBlockingStub(channel);
    try {
        service.mutateRows(null, mmrBuilder.build());
    } catch (ServiceException ex) {
        ProtobufUtil.toIOException(ex);
    }
}

Example 10 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestRemoteHTableRetries method testDelete.

@Test
public void testDelete() throws Exception {
    testTimedOutCall(new CallExecutor() {

        @Override
        public void run() throws Exception {
            Delete delete = new Delete(Bytes.toBytes("delete"));
            remoteTable.delete(delete);
        }
    });
    verify(client, times(RETRIES)).delete(anyString());
}