Examples of com.nearinfinity.honeycomb.hbase.rowkey.IndexRowKey

Package com.nearinfinity.honeycomb.hbase.rowkey

Examples of com.nearinfinity.honeycomb.hbase.rowkey.IndexRowKey

com.nearinfinity.honeycomb.hbase.rowkey.IndexRowKey
Super class for index rowkeys

            return builder.withSortOrder(order.next()).build();
        }


        public Pair<IndexRowKey, QueryKey> nextWithQueryKey() {
            QueryKey queryKey = queryKeys.next();
            IndexRowKey rowKey = IndexRowKeyBuilder
                    .newBuilder(tableIds.next(), indexIds.next())
                    .withQueryKey(queryKey, tableSchema)
                    .withSortOrder(order.next())
                    .build();
            return new Pair<IndexRowKey, QueryKey>(rowKey, queryKey);

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    @Override
    public Scanner ascendingIndexScan(QueryKey key) {
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withSortOrder(SortOrder.Ascending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Ascending)
                .build();


        return createScannerForRange(startRow.encode(), endRow.encode());
    }

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    @Override
    public Scanner ascendingIndexScanAt(QueryKey key) {
        final TableSchema schema = store.getSchema(tableId);
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withQueryKey(key, schema)
                .withSortOrder(SortOrder.Ascending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Ascending)
                .build();


        return createScannerForRange(startRow.encode(), endRow.encode());
    }

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    @Override
    public Scanner ascendingIndexScanAfter(QueryKey key) {
        final TableSchema schema = store.getSchema(tableId);
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withQueryKey(key, schema)
                .withSortOrder(SortOrder.Ascending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder.newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Ascending)
                .build();


        return createScannerForRange(incrementRowKey(startRow.encode()), endRow.encode());
    }

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    @Override
    public Scanner descendingIndexScan(QueryKey key) {
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder.newBuilder(tableId, indexId)
                .withSortOrder(SortOrder.Descending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder.newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Descending)
                .build();


        return createScannerForRange(startRow.encode(), endRow.encode());
    }

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    @Override
    public Scanner descendingIndexScanAt(QueryKey key) {
        final TableSchema schema = store.getSchema(tableId);
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withQueryKey(key, schema)
                .withSortOrder(SortOrder.Descending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Descending)
                .build();


        return createScannerForRange(startRow.encode(), endRow.encode());
    }

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    @Override
    public Scanner descendingIndexScanBefore(QueryKey key) {
        final TableSchema schema = store.getSchema(tableId);
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey startRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withQueryKey(key, schema)
                .withSortOrder(SortOrder.Descending)
                .build();


        IndexRowKey endRow = IndexRowKeyBuilder
                .newBuilder(tableId, indexId + 1)
                .withSortOrder(SortOrder.Descending)
                .build();


        return createScannerForRange(incrementRowKey(startRow.encode()), endRow.encode());
    }

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    @Override
    public Scanner indexScanExact(QueryKey key) {
        final TableSchema schema = store.getSchema(tableId);
        long indexId = store.getIndexId(tableId, key.getIndexName());


        IndexRowKey row = IndexRowKeyBuilder
                .newBuilder(tableId, indexId)
                .withQueryKey(key, schema)
                .withSortOrder(SortOrder.Ascending)
                .build();


        // Scan is [start, end) : increment to set end to next possible row
        return createScannerForRange(row.encode(), incrementRowKey(row.encode()));
    }

View Full Code Here

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Related Classes of com.nearinfinity.honeycomb.hbase.rowkey.IndexRowKey

com.nearinfinity.honeycomb.hbase.generators.RowKeyGenerator$IndexRowKeyGenerator

com.nearinfinity.honeycomb.hbase.HBaseTable

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