tsdb.streamdb

Class RelationalIterator

java.lang.Object

tsdb.util.iterator.TsIterator

tsdb.streamdb.RelationalIterator

All Implemented Interfaces:

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

public class RelationalIterator
extends TsIterator

Joins a collection of StreamIterators to TsIterator with outputSchema. Fills not existing source rows with NaN-values.

Field Summary

Fields inherited from class tsdb.util.iterator.TsIterator

schema

Constructor Summary

Constructors

Constructor and Description
RelationalIterator(java.util.Collection<StreamIterator> iterators, java.lang.String[] outputSchema)
RelationalIterator(StreamIterator[] iterators, java.lang.String[] outputSchema)

Method Summary

Modifier and Type	Method and Description
ProcessingChain	getProcessingChain() Default implementation: Get processing chain with this as source entry.
boolean	hasNext()
TsEntry	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

RelationalIterator

public RelationalIterator(java.util.Collection<StreamIterator> iterators,
                          java.lang.String[] outputSchema)

RelationalIterator

public RelationalIterator(StreamIterator[] iterators,
                          java.lang.String[] outputSchema)

Method Detail

hasNext

public boolean hasNext()

next

public TsEntry next()

getProcessingChain

public ProcessingChain getProcessingChain()

Description copied from interface: ProcessingChainNode

Default implementation: Get processing chain with this as source entry.

Returns: