public abstract class TupleBrowser<K,V> extends Object
Constructor and Description |
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TupleBrowser() |
Modifier and Type | Method and Description |
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abstract boolean |
getNext(Tuple<K,V> tuple)
Get the next tuple.
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abstract boolean |
getPrevious(Tuple<K,V> tuple)
Get the previous tuple.
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public abstract boolean getNext(Tuple<K,V> tuple) throws IOException
tuple
- Tuple into which values are copied.IOException
public abstract boolean getPrevious(Tuple<K,V> tuple) throws IOException
tuple
- Tuple into which values are copied.IOException
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