Package io.siddhi.core.aggregation

Class BaseIncrementalValueStore

java.lang.Object

io.siddhi.core.aggregation.BaseIncrementalValueStore

public class BaseIncrementalValueStore
extends Object

Store for maintaining the base values related to incremental aggregation. (e.g. for average, the base incremental values would be sum and count. The timestamp too is stored here.

Constructor Summary

Constructors

Constructor	Description
BaseIncrementalValueStore(String aggregatorName, long initialTimestamp, List<ExpressionExecutor> expressionExecutors, ExpressionExecutor shouldUpdateTimestamp, StreamEventFactory streamEventFactory, SiddhiQueryContext siddhiQueryContext, boolean groupBy, boolean local)

Method Summary

Modifier and Type	Method	Description
void	clearValues(long startTimeOfNewAggregates, StreamEvent resetEvent)
List<ExpressionExecutor>	getExpressionExecutors()
Map<String,StreamEvent>	getGroupedByEvents()
StateHolder<io.siddhi.core.aggregation.BaseIncrementalValueStore.StoreState>	getStoreStateHolder()
boolean	isProcessed()
void	process(StreamEvent streamEvent)
void	process(Map<String,StreamEvent> groupedByEvents)

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseIncrementalValueStore

public BaseIncrementalValueStore(String aggregatorName,
                                 long initialTimestamp,
                                 List<ExpressionExecutor> expressionExecutors,
                                 ExpressionExecutor shouldUpdateTimestamp,
                                 StreamEventFactory streamEventFactory,
                                 SiddhiQueryContext siddhiQueryContext,
                                 boolean groupBy,
                                 boolean local)

Method Detail

clearValues

public void clearValues(long startTimeOfNewAggregates,
                        StreamEvent resetEvent)

getExpressionExecutors

public List<ExpressionExecutor> getExpressionExecutors()

isProcessed

public boolean isProcessed()

getGroupedByEvents

public Map<String,StreamEvent> getGroupedByEvents()

process

public void process(StreamEvent streamEvent)

process

public void process(Map<String,StreamEvent> groupedByEvents)

getStoreStateHolder

public StateHolder<io.siddhi.core.aggregation.BaseIncrementalValueStore.StoreState> getStoreStateHolder()