tsdb.iterator

Class MinDiffIterator

java.lang.Object

tsdb.util.iterator.TsIterator

tsdb.util.iterator.MoveIterator

tsdb.iterator.MinDiffIterator

All Implemented Interfaces:

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

public class MinDiffIterator
extends MoveIterator

This iterator outputs minimum difference elements of input_iterators to one target_iterator. input_iterators and target_iterator need to be in same timestamp per element order.

Field Summary

Fields inherited from class tsdb.util.iterator.TsIterator

schema

Constructor Summary

Constructors

Constructor and Description
MinDiffIterator(java.lang.String[] schema, TsIterator target_iterator, TsIterator[] source_iterators, int minSources)

Method Summary

Modifier and Type	Method and Description
protected TsEntry	getNext() Request next element.

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

getProcessingChain, getProcessingTitle

Methods inherited from interface tsdb.util.processingchain.ProcessingChainEntry

createUnknown, of

Methods inherited from interface tsdb.util.processingchain.ProcessingChainSupplier

createUnknown

Constructor Detail

MinDiffIterator

public MinDiffIterator(java.lang.String[] schema,
                       TsIterator target_iterator,
                       TsIterator[] source_iterators,
                       int minSources)

Method Detail

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