TimeWindow (Pravega API)

```
public class TimeWindow
extends java.lang.Object
```
Represents a time window for the events which are currently being read by a reader. The lower time bound is a timestamp which is less than or equal to the most recent value provided via the EventStreamWriter.noteTime(long) API for by any writer using that API at the current location in the stream. If the reader is near the beginning (or the truncation point) of the stream, there may be no timestamps to compare against and no lower bound can be established. Similarly the upper time bound is a timestamp which is greater than or equal to any that were provided by any writer via the EventStreamWriter.noteTime(long) API prior to the current location in the stream. If a reader is near the end (tail) of the stream there may be no writer timestamps to compare against and no upper bound can be established. upperTimeBound will always be greater than or equal to lowerTimeBound.

Constructors
Constructor and Description
`TimeWindow()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`isNearHeadOfStream()` Returns true if the reader is currently near the head of the stream and therefore no lower time bound can be obtained.
`boolean`	`isNearTailOfStream()` Returns true if the reader is currently near the tail of the stream and therefore no upper time bound can be obtained.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Class TimeWindow