Esempio n. 1
0
  // Execute a CLI Statement
  public void executeCLIStmt(String stmt)
      throws TException, NotFoundException, InvalidRequestException, UnavailableException,
          TimedOutException, IllegalAccessException, ClassNotFoundException,
          InstantiationException {
    CommonTree ast = null;

    ast = CliCompiler.compileQuery(stmt);

    try {
      switch (ast.getType()) {
        case CliParser.NODE_EXIT:
          cleanupAndExit();
          break;
        case CliParser.NODE_THRIFT_GET:
          executeGet(ast);
          break;
        case CliParser.NODE_HELP:
          printCmdHelp();
          break;
        case CliParser.NODE_THRIFT_SET:
          executeSet(ast);
          break;
        case CliParser.NODE_THRIFT_DEL:
          executeDelete(ast);
          break;
        case CliParser.NODE_THRIFT_COUNT:
          executeCount(ast);
          break;
        case CliParser.NODE_SHOW_CLUSTER_NAME:
          executeShowProperty(ast, "cluster name");
          break;
        case CliParser.NODE_SHOW_CONFIG_FILE:
          executeShowProperty(ast, "config file");
          break;
        case CliParser.NODE_SHOW_VERSION:
          executeShowProperty(ast, "version");
          break;
        case CliParser.NODE_SHOW_TABLES:
          executeShowTables(ast);
          break;
        case CliParser.NODE_DESCRIBE_TABLE:
          executeDescribeTable(ast);
          break;
        case CliParser.NODE_CONNECT:
          executeConnect(ast);
          break;
        case CliParser.NODE_NO_OP:
          // comment lines come here; they are treated as no ops.
          break;
        default:
          css_.err.println("Invalid Statement (Type: " + ast.getType() + ")");
          break;
      }
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException("Unable to encode string as UTF-8", e);
    }
  }
Esempio n. 2
0
  private void executeCount(CommonTree ast)
      throws TException, InvalidRequestException, UnavailableException, TimedOutException,
          UnsupportedEncodingException {
    if (!CliMain.isConnected()) return;

    int childCount = ast.getChildCount();
    assert (childCount == 1);

    CommonTree columnFamilySpec = (CommonTree) ast.getChild(0);
    if (!(columnFamilySpec.getType() == CliParser.NODE_COLUMN_ACCESS)) return;

    String tableName = CliCompiler.getTableName(columnFamilySpec);
    String key = CliCompiler.getKey(columnFamilySpec);
    String columnFamily = CliCompiler.getColumnFamily(columnFamilySpec);
    int columnSpecCnt = CliCompiler.numColumnSpecifiers(columnFamilySpec);

    ColumnParent colParent;

    if (columnSpecCnt == 0) {
      colParent = createColumnParent(columnFamily, null);
    } else {
      assert (columnSpecCnt == 1);
      colParent =
          createColumnParent(
              columnFamily, CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8"));
    }

    int count = thriftClient_.get_count(tableName, key, colParent, ConsistencyLevel.ONE);
    css_.out.printf("%d columns\n", count);
  }
Esempio n. 3
0
  private void executeDelete(CommonTree ast)
      throws TException, InvalidRequestException, UnavailableException, TimedOutException,
          UnsupportedEncodingException {
    if (!CliMain.isConnected()) return;

    int childCount = ast.getChildCount();
    assert (childCount == 1);

    CommonTree columnFamilySpec = (CommonTree) ast.getChild(0);
    if (!(columnFamilySpec.getType() == CliParser.NODE_COLUMN_ACCESS)) return;

    String tableName = CliCompiler.getTableName(columnFamilySpec);
    String key = CliCompiler.getKey(columnFamilySpec);
    String columnFamily = CliCompiler.getColumnFamily(columnFamilySpec);
    int columnSpecCnt = CliCompiler.numColumnSpecifiers(columnFamilySpec);

    byte[] superColumnName = null;
    byte[] columnName = null;
    boolean isSuper;

    try {
      if (!(getCFMetaData(tableName).containsKey(columnFamily))) {
        css_.out.println("No such column family: " + columnFamily);
        return;
      }

      isSuper =
          getCFMetaData(tableName).get(columnFamily).get("Type").equals("Super") ? true : false;
    } catch (NotFoundException nfe) {
      css_.out.printf("No such keyspace: %s\n", tableName);
      return;
    }

    if ((columnSpecCnt < 0) || (columnSpecCnt > 2)) {
      css_.out.println("Invalid row, super column, or column specification.");
      return;
    }

    if (columnSpecCnt == 1) {
      // table.cf['key']['column']
      if (isSuper) superColumnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
      else columnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
    } else if (columnSpecCnt == 2) {
      // table.cf['key']['column']['column']
      superColumnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
      columnName = CliCompiler.getColumn(columnFamilySpec, 1).getBytes("UTF-8");
    }

    thriftClient_.remove(
        tableName,
        key,
        createColumnPath(columnFamily, superColumnName, columnName),
        timestampMicros(),
        ConsistencyLevel.ONE);
    css_.out.println(String.format("%s removed.", (columnSpecCnt == 0) ? "row" : "column"));
  }
Esempio n. 4
0
  // Execute SET statement
  private void executeSet(CommonTree ast)
      throws TException, InvalidRequestException, UnavailableException, TimedOutException,
          UnsupportedEncodingException {
    if (!CliMain.isConnected()) return;

    assert (ast.getChildCount() == 2) : "serious parsing error (this is a bug).";

    CommonTree columnFamilySpec = (CommonTree) ast.getChild(0);
    if (!(columnFamilySpec.getType() == CliParser.NODE_COLUMN_ACCESS)) return;

    String tableName = CliCompiler.getTableName(columnFamilySpec);
    String key = CliCompiler.getKey(columnFamilySpec);
    String columnFamily = CliCompiler.getColumnFamily(columnFamilySpec);
    int columnSpecCnt = CliCompiler.numColumnSpecifiers(columnFamilySpec);
    String value = CliUtils.unescapeSQLString(ast.getChild(1).getText());

    byte[] superColumnName = null;
    byte[] columnName = null;

    // table.cf['key']
    if (columnSpecCnt == 0) {
      css_.err.println("No column name specified, (type 'help' or '?' for help on syntax).");
      return;
    }
    // table.cf['key']['column'] = 'value'
    else if (columnSpecCnt == 1) {
      // get the column name
      columnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
    }
    // table.cf['key']['super_column']['column'] = 'value'
    else {
      assert (columnSpecCnt == 2) : "serious parsing error (this is a bug).";

      // get the super column and column names
      superColumnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
      columnName = CliCompiler.getColumn(columnFamilySpec, 1).getBytes("UTF-8");
    }

    // do the insert
    thriftClient_.insert(
        tableName,
        key,
        createColumnPath(columnFamily, superColumnName, columnName),
        value.getBytes(),
        timestampMicros(),
        ConsistencyLevel.ONE);

    css_.out.println("Value inserted.");
  }
Esempio n. 5
0
  // Execute GET statement
  private void executeGet(CommonTree ast)
      throws TException, NotFoundException, InvalidRequestException, UnavailableException,
          TimedOutException, UnsupportedEncodingException, IllegalAccessException,
          InstantiationException, ClassNotFoundException {

    if (!CliMain.isConnected()) return;

    // This will never happen unless the grammar is broken
    assert (ast.getChildCount() == 1) : "serious parsing error (this is a bug).";

    CommonTree columnFamilySpec = (CommonTree) ast.getChild(0);
    if (!(columnFamilySpec.getType() == CliParser.NODE_COLUMN_ACCESS)) return;

    String tableName = CliCompiler.getTableName(columnFamilySpec);
    String key = CliCompiler.getKey(columnFamilySpec);
    String columnFamily = CliCompiler.getColumnFamily(columnFamilySpec);
    int columnSpecCnt = CliCompiler.numColumnSpecifiers(columnFamilySpec);

    if (!(getCFMetaData(tableName).containsKey(columnFamily))) {
      css_.out.println("No such column family: " + columnFamily);
      return;
    }

    boolean isSuper =
        getCFMetaData(tableName).get(columnFamily).get("Type").equals("Super") ? true : false;

    byte[] superColumnName = null;
    byte[] columnName = null;

    // table.cf['key'] -- row slice
    if (columnSpecCnt == 0) {
      doSlice(tableName, key, columnFamily, superColumnName);
      return;
    }

    // table.cf['key']['column'] -- slice of a super, or get of a standard
    if (columnSpecCnt == 1) {
      if (isSuper) {
        superColumnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
        doSlice(tableName, key, columnFamily, superColumnName);
        return;
      } else {
        columnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
      }
    }
    // table.cf['key']['column']['column'] -- get of a sub-column
    else if (columnSpecCnt == 2) {
      superColumnName = CliCompiler.getColumn(columnFamilySpec, 0).getBytes("UTF-8");
      columnName = CliCompiler.getColumn(columnFamilySpec, 1).getBytes("UTF-8");
    }
    // The parser groks an arbitrary number of these so it is possible to get here.
    else {
      css_.out.println("Invalid row, super column, or column specification.");
      return;
    }

    // Perform a get(), print out the results.
    ColumnPath path = createColumnPath(columnFamily, superColumnName, columnName);
    Column column = thriftClient_.get(tableName, key, path, ConsistencyLevel.ONE).column;
    css_.out.printf(
        "=> (column=%s, value=%s, timestamp=%d)\n",
        formatColumnName(tableName, columnFamily, column),
        new String(column.value, "UTF-8"),
        column.timestamp);
  }