tsdb.iterator

Class BaseAggregationIterator

java.lang.Object

tsdb.util.iterator.TsIterator

tsdb.util.iterator.MoveIterator

tsdb.util.iterator.InputProcessingIterator

tsdb.iterator.BaseAggregationIterator

All Implemented Interfaces:

java.util.Iterator<TsEntry>, ProcessingChainEntry, ProcessingChainNode, ProcessingChainSupplier

public class BaseAggregationIterator
extends InputProcessingIterator

BaseAggregationIterator aggregates input elements to aggregated output elements with base aggregation time intervals

Field Summary

Fields inherited from class tsdb.util.iterator.InputProcessingIterator

input_iterator

Fields inherited from class tsdb.util.iterator.TsIterator

schema

Constructor Summary

Constructors

Constructor and Description
BaseAggregationIterator(TsDB timeSeriesDatabase, TsIterator input_iterator)

Method Summary

Modifier and Type	Method and Description
static TsSchema	createSchema(TsSchema schema, int timeStep)
protected TsEntry	getNext() Request next element.

Methods inherited from class tsdb.util.iterator.InputProcessingIterator

getProcessingChain

Methods inherited from class tsdb.util.iterator.MoveIterator

close, hasNext, next

Methods inherited from class tsdb.util.iterator.TsIterator

getNames, getSchema, isLive, isNotLive, toSchemas, toString, toTimeSeries, toTimestampSeries, writeConsole, writeConsole, writeCSV

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface tsdb.util.processingchain.ProcessingChainNode

getProcessingTitle

Methods inherited from interface tsdb.util.processingchain.ProcessingChainEntry

createUnknown, of

Methods inherited from interface tsdb.util.processingchain.ProcessingChainSupplier

createUnknown

Constructor Detail

BaseAggregationIterator

public BaseAggregationIterator(TsDB timeSeriesDatabase,
                               TsIterator input_iterator)

Method Detail

createSchema

public static TsSchema createSchema(TsSchema schema,
                                    int timeStep)

getNext

protected TsEntry getNext()

Description copied from class: MoveIterator

Request next element.

It's guaranteed to not be called again when it first returns null (no next element).
This method should be called by MoveIterator internal only.

Specified by:

getNext in class MoveIterator

Returns:

next element or null if there is no next element