| /* |
| * 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. |
| */ |
| |
| package org.apache.iotdb.db.pipe.event.common.row; |
| |
| import org.apache.iotdb.commons.pipe.config.PipeConfig; |
| import org.apache.iotdb.commons.pipe.event.EnrichedEvent; |
| import org.apache.iotdb.commons.pipe.task.meta.PipeTaskMeta; |
| import org.apache.iotdb.db.pipe.event.common.tablet.PipeRawTabletInsertionEvent; |
| import org.apache.iotdb.pipe.api.access.Row; |
| import org.apache.iotdb.pipe.api.collector.RowCollector; |
| import org.apache.iotdb.pipe.api.event.dml.insertion.TabletInsertionEvent; |
| import org.apache.iotdb.pipe.api.exception.PipeException; |
| import org.apache.iotdb.tsfile.write.record.Tablet; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class PipeRowCollector implements RowCollector { |
| |
| private final List<TabletInsertionEvent> tabletInsertionEventList = new ArrayList<>(); |
| private Tablet tablet = null; |
| private boolean isAligned = false; |
| private final PipeTaskMeta pipeTaskMeta; // Used to report progress |
| private final EnrichedEvent sourceEvent; // Used to report progress |
| |
| public PipeRowCollector(PipeTaskMeta pipeTaskMeta, EnrichedEvent sourceEvent) { |
| this.pipeTaskMeta = pipeTaskMeta; |
| this.sourceEvent = sourceEvent; |
| } |
| |
| @Override |
| public void collectRow(Row row) { |
| if (!(row instanceof PipeRow)) { |
| throw new PipeException("Row can not be customized"); |
| } |
| |
| final PipeRow pipeRow = (PipeRow) row; |
| final MeasurementSchema[] measurementSchemaArray = pipeRow.getMeasurementSchemaList(); |
| |
| // Trigger collection when a PipeResetTabletRow is encountered |
| if (row instanceof PipeResetTabletRow) { |
| collectTabletInsertionEvent(); |
| } |
| |
| if (tablet == null) { |
| final String deviceId = pipeRow.getDeviceId(); |
| final List<MeasurementSchema> measurementSchemaList = |
| new ArrayList<>(Arrays.asList(measurementSchemaArray)); |
| tablet = |
| new Tablet( |
| deviceId, |
| measurementSchemaList, |
| PipeConfig.getInstance().getPipeDataStructureTabletRowSize()); |
| isAligned = pipeRow.isAligned(); |
| tablet.initBitMaps(); |
| } |
| |
| final int rowIndex = tablet.rowSize; |
| tablet.addTimestamp(rowIndex, row.getTime()); |
| for (int i = 0; i < row.size(); i++) { |
| final Object value = row.getObject(i); |
| if (value instanceof org.apache.iotdb.pipe.api.type.Binary) { |
| tablet.addValue( |
| measurementSchemaArray[i].getMeasurementId(), |
| rowIndex, |
| PipeBinaryTransformer.transformToBinary((org.apache.iotdb.pipe.api.type.Binary) value)); |
| } else { |
| tablet.addValue(measurementSchemaArray[i].getMeasurementId(), rowIndex, value); |
| } |
| if (row.isNull(i)) { |
| tablet.bitMaps[i].mark(rowIndex); |
| } |
| } |
| tablet.rowSize++; |
| |
| if (tablet.rowSize == tablet.getMaxRowNumber()) { |
| collectTabletInsertionEvent(); |
| } |
| } |
| |
| private void collectTabletInsertionEvent() { |
| if (tablet != null) { |
| tabletInsertionEventList.add( |
| new PipeRawTabletInsertionEvent( |
| tablet, |
| isAligned, |
| sourceEvent == null ? null : sourceEvent.getPipeName(), |
| pipeTaskMeta, |
| sourceEvent, |
| false)); |
| } |
| this.tablet = null; |
| } |
| |
| public Iterable<TabletInsertionEvent> convertToTabletInsertionEvents() { |
| collectTabletInsertionEvent(); |
| |
| final int eventListSize = tabletInsertionEventList.size(); |
| if (eventListSize > 0) { // The last event should report progress |
| ((PipeRawTabletInsertionEvent) tabletInsertionEventList.get(eventListSize - 1)) |
| .markAsNeedToReport(); |
| } |
| return tabletInsertionEventList; |
| } |
| } |