Package uk.ac.starlink.util
Interface Sequence
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public interface Sequence
Utility sub-interface of Splittable suitable for use with splittable data that can be iterated over.The main purpose of this interface is to act as standard documentation for a
next
method where it is provided.- Since:
- 13 Sep 2019
- Author:
- Mark Taylor
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description boolean
next()
Move to the next item in the sequence.
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Method Detail
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next
boolean next() throws java.lang.Exception
Move to the next item in the sequence. Must be called before accessing each item, including the first one. Returns false when there are no items left.This method is declared to throw an untyped exception. Subinterfaces are encouraged to override this method restricting the exception type or throwing no exception.
- Returns:
- true iff the current sequence element has data
- Throws:
java.lang.Exception
- if there is some failure
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