io.siddhi.core.aggregation

Class IncrementalExecutorsInitialiser

java.lang.Object

io.siddhi.core.aggregation.IncrementalExecutorsInitialiser

public class IncrementalExecutorsInitialiser
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

IncrementalExecutorsInitialiser(List<io.siddhi.query.api.aggregation.TimePeriod.Duration> incrementalDurations, Map<io.siddhi.query.api.aggregation.TimePeriod.Duration,Table> aggregationTables, Map<io.siddhi.query.api.aggregation.TimePeriod.Duration,Executor> incrementalExecutorMap, boolean isDistributed, String shardId, SiddhiAppContext siddhiAppContext, MetaStreamEvent metaStreamEvent, Map<String,Table> tableMap, Map<String,Window> windowMap, Map<String,AggregationRuntime> aggregationMap, String timeZone, boolean isReadOnly, boolean isPersistedAggregation)

Method Summary

Modifier and Type	Method and Description
void	initialiseExecutors()

Methods inherited from class java.lang.Object

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

Constructor Detail

IncrementalExecutorsInitialiser

public IncrementalExecutorsInitialiser(List<io.siddhi.query.api.aggregation.TimePeriod.Duration> incrementalDurations,
                                       Map<io.siddhi.query.api.aggregation.TimePeriod.Duration,Table> aggregationTables,
                                       Map<io.siddhi.query.api.aggregation.TimePeriod.Duration,Executor> incrementalExecutorMap,
                                       boolean isDistributed,
                                       String shardId,
                                       SiddhiAppContext siddhiAppContext,
                                       MetaStreamEvent metaStreamEvent,
                                       Map<String,Table> tableMap,
                                       Map<String,Window> windowMap,
                                       Map<String,AggregationRuntime> aggregationMap,
                                       String timeZone,
                                       boolean isReadOnly,
                                       boolean isPersistedAggregation)

Method Detail

initialiseExecutors

public void initialiseExecutors()