com.groupon.lex.metrics.history.xdr.support

Class MultiFileIterator

java.lang.Object

com.groupon.lex.metrics.history.xdr.support.MultiFileIterator

All Implemented Interfaces:

Iterator<TimeSeriesCollection>

public class MultiFileIterator
extends Object
implements Iterator<TimeSeriesCollection>

Iterator that traverses multiple TSData sources. The iterator will take care of emitting elements in order and merging duplicate entries together.

Author:

ariane

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MultiFileIterator.TSDataSupplier Interface to be implemented for files handled by this iterator.

Constructor Summary

Constructors

Constructor and Description
MultiFileIterator(Collection<? extends MultiFileIterator.TSDataSupplier> files, Comparator<org.joda.time.DateTime> cmp)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
TimeSeriesCollection	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

MultiFileIterator

public MultiFileIterator(@NonNull
                         Collection<? extends MultiFileIterator.TSDataSupplier> files,
                         @NonNull
                         Comparator<org.joda.time.DateTime> cmp)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<TimeSeriesCollection>

next

public TimeSeriesCollection next()

Specified by:

next in interface Iterator<TimeSeriesCollection>