| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #ifndef IMPALA_EXEC_HBASE_TABLE_SINK_H |
| #define IMPALA_EXEC_HBASE_TABLE_SINK_H |
| |
| #include <vector> |
| |
| #include "common/status.h" |
| #include "runtime/runtime-state.h" |
| #include "runtime/row-batch.h" |
| #include "runtime/descriptors.h" |
| #include "exec/data-sink.h" |
| #include "exec/hbase-table-writer.h" |
| #include "gen-cpp/Data_types.h" |
| #include "gen-cpp/Exprs_types.h" |
| |
| namespace impala { |
| |
| /// Class to take row batches and send them to the HBaseTableWriter to |
| /// eventually be written into an HBase table. |
| class HBaseTableSink : public DataSink { |
| public: |
| HBaseTableSink(TDataSinkId sink_id, const RowDescriptor* row_desc, |
| const TDataSink& tsink, RuntimeState* state); |
| virtual Status Prepare(RuntimeState* state, MemTracker* parent_mem_tracker); |
| virtual Status Send(RuntimeState* state, RowBatch* batch); |
| virtual Status FlushFinal(RuntimeState* state); |
| virtual void Close(RuntimeState* state); |
| |
| private: |
| /// Used to get the HBaseTableDescriptor from the RuntimeState |
| TableId table_id_; |
| |
| /// The description of the table. Used for table name and column mapping. |
| HBaseTableDescriptor* table_desc_; |
| |
| /// The object that this sink uses to write to hbase. |
| /// hbase_table_writer is owned by this sink and should be closed |
| /// when this is Close'd. |
| boost::scoped_ptr<HBaseTableWriter> hbase_table_writer_; |
| }; |
| |
| } // namespace impala |
| |
| #endif // IMPALA_EXEC_HBASE_TABLE_SINK_H |