KeyedQuerySource (TIBCO Patterns - Search Deduplication Library)

All Known Implementing Classes:

CursorQuerySource, JoinsetQuerySource, NetricsRecQuerySource, TableQuerySource
```
public interface KeyedQuerySource
```
Interface to scan a source of NetricsQuerys.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getPosition()`	Get the position in the scan.
`boolean`	`isEOS()`	Check if the scan is complete.
`KeyedQuery`	`next()`	Gets the next query from the source.

- Method Detail
  - getPosition
```
java.lang.String getPosition()
```
    Get the position in the scan.
    
    Returns:
    
    an opaque string indicating the scan position. This string can be stored and later passed into setPosition on another KeyedQuerySource instance of the same type.
  - isEOS
```
boolean isEOS()
       throws java.lang.Exception
```
    Check if the scan is complete.
    
    Returns:
    
    true if there are no more queries available.
    
    Throws:
    
    java.lang.Exception - on any error.
  - next
```
KeyedQuery next()
         throws java.lang.Exception
```
    Gets the next query from the source.
    
    Returns:
    
    The query. Returns null if no query is desired for the particular source entry. (This allows for consistent batch sizing.)
    
    Throws:
    
    java.lang.Exception - on any error.