Examples of org.apache.cassandra.thrift.ColumnOrSuperColumn$ColumnOrSuperColumnStandardSchemeFactory

org.apache.cassandra.thrift.ColumnOrSuperColumn
Methods for fetching rows/records from Cassandra will return either a single instance of ColumnOrSuperColumn or a list of ColumnOrSuperColumns (get_slice()). If you're looking up a SuperColumn (or list of SuperColumns) then the resulting instances of ColumnOrSuperColumn will have the requested SuperColumn in the attribute super_column. For queries resulting in Columns, those values will be in the attribute column. This change was made between 0.3 and 0.4 to standardize on single query methods that may return either a SuperColumn or Column. If the query was on a counter column family, you will either get a counter_column (instead of a column) or a counter_super_column (instead of a super_column) @param column. The Column returned by get() or get_slice(). @param super_column. The SuperColumn returned by get() or get_slice(). @param counter_column. The Counterolumn returned by get() or get_slice(). @param counter_super_column. The CounterSuperColumn returned by get() or get_slice().

        try
        {
            ByteBuffer wrappedKey = ByteBuffer.wrap(key.getBytes("UTF-8"));


            Column col;
            ColumnOrSuperColumn column;
            for (Map.Entry<String, ByteIterator> entry : values.entrySet())
            {
                col = new Column();
                col.setName(ByteBuffer.wrap(entry.getKey().getBytes("UTF-8")));
                col.setValue(ByteBuffer.wrap(entry.getValue().toArray()));
                col.setTimestamp(System.currentTimeMillis());


                column = new ColumnOrSuperColumn();
                column.setColumn(col);


                mutations.add(new Mutation().setColumn_or_supercolumn(column));
            }


            mutationMap.put(column_family, mutations);

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                    if (thriftColumns != null && !thriftColumns.isEmpty())
                    {
                        for (Column column : thriftColumns)
                        {
                            Mutation mut = new Mutation();
                            mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
                            insertion_list.add(mut);
                        }
                    }


                    if (thriftSuperColumns != null && !thriftSuperColumns.isEmpty())
                    {
                        for (SuperColumn superColumn : thriftSuperColumns)
                        {
                            Mutation mut = new Mutation();
                            mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setSuper_column(superColumn));
                            insertion_list.add(mut);
                        }
                    }


                    // Create Mutation Map

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    protected SuperColumn getSuperColumnForRow(ConsistencyLevel consistencyLevel, String columnFamilyName,
            String rowKey, byte[] superColumnName, String persistenceUnit)
    {
        ColumnPath cp = new ColumnPath(columnFamilyName);
        cp.setSuper_column(superColumnName);
        ColumnOrSuperColumn cosc = null;
        Connection conn = thriftClient.getConnection();


        try
        {
            cosc = conn.getClient().get(ByteBuffer.wrap(rowKey.getBytes()), cp, consistencyLevel);

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        ColumnPath cp = new ColumnPath(indexColumnFamily);
        cp.setSuper_column(superColumnName);
        Connection conn = thriftClient.getConnection();
        try
        {
            ColumnOrSuperColumn cosc;
            try
            {
                cosc = conn.getClient().get(ByteBuffer.wrap(rowKey.getBytes()), cp, consistencyLevel);
            }
            catch (NotFoundException e)

View Full Code Here

            column.setName(PropertyAccessorFactory.STRING.toBytes("PERSON_NAME"));
            column.setValue(PropertyAccessorFactory.STRING.toBytes("Amry"));
            column.setTimestamp(System.currentTimeMillis());
            columns.add(column);
            Mutation mut = new Mutation();
            mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
            insertionList.add(mut);
            // Create Mutation Map
            Map<String, List<Mutation>> columnFamilyValues = new HashMap<String, List<Mutation>>();
            columnFamilyValues.put("PERSON_ESINDEXER", insertionList);
            Map<ByteBuffer, Map<String, List<Mutation>>> mulationMap = new HashMap<ByteBuffer, Map<String, List<Mutation>>>();

View Full Code Here

                List<CounterSuperColumn> thriftCounterSuperColumns = tf.getCounterSuperColumns();


                if (thriftCounterColumns != null && !thriftCounterColumns.isEmpty()) {
                    for (CounterColumn column : thriftCounterColumns) {
                        Mutation mut = new Mutation();
                        mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setCounter_column(column));
                        mutationList.add(mut);
                    }
                }


                if (thriftCounterSuperColumns != null && !thriftCounterSuperColumns.isEmpty()) {
                    for (CounterSuperColumn sc : thriftCounterSuperColumns) {
                        Mutation mut = new Mutation();
                        mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setCounter_super_column(sc));
                        mutationList.add(mut);
                    }
                }
            } else
            /********* Handling for column family and super column family *********/
            {
                List<Column> thriftColumns = tf.getColumns();
                List<SuperColumn> thriftSuperColumns = tf.getSuperColumns();


                // Populate Insertion list for columns
                if (thriftColumns != null && !thriftColumns.isEmpty()) {
                    for (Column column : thriftColumns) {
                        Mutation mut = new Mutation();
                        mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
                        mutationList.add(mut);
                    }
                }


                // Populate Insertion list for super columns
                if (thriftSuperColumns != null && !thriftSuperColumns.isEmpty()) {
                    for (SuperColumn superColumn : thriftSuperColumns) {
                        Mutation mut = new Mutation();
                        mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setSuper_column(superColumn));
                        mutationList.add(mut);
                    }
                }
            }
            columnFamilyValues.put(columnFamily, mutationList);

View Full Code Here

            column.setName(PropertyAccessorFactory.STRING.toBytes("PERSON_NAME"));
            column.setValue(PropertyAccessorFactory.STRING.toBytes("Amry"));
            column.setTimestamp(System.currentTimeMillis());
            columns.add(column);
            Mutation mut = new Mutation();
            mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
            insertionList.add(mut);
            // Create Mutation Map
            Map<String, List<Mutation>> columnFamilyValues = new HashMap<String, List<Mutation>>();
            columnFamilyValues.put("PERSONCASSANDRA", insertionList);
            Map<ByteBuffer, Map<String, List<Mutation>>> mulationMap = new HashMap<ByteBuffer, Map<String, List<Mutation>>>();

View Full Code Here

            column.setName(PropertyAccessorFactory.STRING.toBytes("PERSON_NAME"));
            column.setValue(PropertyAccessorFactory.STRING.toBytes("Amry"));
            column.setTimestamp(System.currentTimeMillis());
            columns.add(column);
            Mutation mut = new Mutation();
            mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
            insertionList.add(mut);
            // Create Mutation Map
            Map<String, List<Mutation>> columnFamilyValues = new HashMap<String, List<Mutation>>();
            columnFamilyValues.put("PERSON", insertionList);
            Map<ByteBuffer, Map<String, List<Mutation>>> mulationMap = new HashMap<ByteBuffer, Map<String, List<Mutation>>>();

View Full Code Here

                        column.setTimestamp(generator.getTimestamp());
                        columnType = value.getClass();
                        columns.add(column);


                        Mutation mut = new Mutation();
                        mut.setColumn_or_supercolumn(new ColumnOrSuperColumn().setColumn(column));
                        insertionList.add(mut);
                    }
                    createIndexesOnColumns(entityMetadata, joinTableName, columns, columnType);
                    // Create Mutation Map
                    Map<String, List<Mutation>> columnFamilyValues = new HashMap<String, List<Mutation>>();

View Full Code Here


    Operation<SuperColumn> op = new Operation<SuperColumn>(OperationType.READ, failoverPolicy, keyspaceName, credentials) {


      @Override
      public SuperColumn execute(Cassandra.Client cassandra) throws HectorException {
        ColumnOrSuperColumn cosc;
        try {
          cosc = cassandra.get(key, columnPath, getThriftCl(OperationType.READ));
        } catch (NotFoundException e) {
          setException(xtrans.translate(e));
          return null;
        } catch (Exception e) {
          throw xtrans.translate(e);
        }
        return cosc == null ? null : cosc.getSuper_column();
      }


    };
    operateWithFailover(op);
    if (op.hasException()) {

View Full Code Here

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