org.wso2.siddhi.core.aggregation

Class RecreateInMemoryData

java.lang.Object

org.wso2.siddhi.core.aggregation.RecreateInMemoryData

public class RecreateInMemoryData
extends Object

This class is used to recreate in-memory data from the tables (Such as RDBMS) in incremental aggregation. This ensures that the aggregation calculations are done correctly in case of server restart

Constructor Summary

Constructors

Constructor and Description

RecreateInMemoryData(List<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration> incrementalDurations, Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,Table> aggregationTables, Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,IncrementalExecutor> incrementalExecutorMap, SiddhiAppContext siddhiAppContext, MetaStreamEvent metaStreamEvent, Map<String,Table> tableMap, Map<String,Window> windowMap, Map<String,AggregationRuntime> aggregationMap, String shardId, Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,IncrementalExecutor> incrementalExecutorMapForPartitions)

Method Summary

Modifier and Type	Method and Description
void	recreateInMemoryData(boolean refreshReadingExecutors)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RecreateInMemoryData

public RecreateInMemoryData(List<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration> incrementalDurations,
                            Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,Table> aggregationTables,
                            Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,IncrementalExecutor> incrementalExecutorMap,
                            SiddhiAppContext siddhiAppContext,
                            MetaStreamEvent metaStreamEvent,
                            Map<String,Table> tableMap,
                            Map<String,Window> windowMap,
                            Map<String,AggregationRuntime> aggregationMap,
                            String shardId,
                            Map<org.wso2.siddhi.query.api.aggregation.TimePeriod.Duration,IncrementalExecutor> incrementalExecutorMapForPartitions)

Method Detail

recreateInMemoryData

public void recreateInMemoryData(boolean refreshReadingExecutors)