QuerySource (Terrier Information Retrieval Platform 5.5 API)

All Superinterfaces:

java.util.Iterator<java.lang.String>

All Known Implementing Classes:

SingleLineTRECQuery, TRECQuery
```
public interface QuerySource
extends java.util.Iterator<java.lang.String>
```
This interface denotes a source of queries for batch evaluation

Since:

3.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String[]`	`getInfo()`	Return information about the query source
`java.lang.String`	`getQueryId()`	Returns the query identifier of the last query fetched, or the first one, if none has been fetched yet.
`void`	`reset()`	Resets the query source back to the first query.

Methods inherited from interface java.util.Iterator
forEachRemaining, hasNext, next, remove

- Method Detail
  - getQueryId
```
java.lang.String getQueryId()
```
    Returns the query identifier of the last query fetched, or the first one, if none has been fetched yet.
    
    Returns:
    
    String the query number of a query.
  - reset
```
void reset()
```
    Resets the query source back to the first query.
  - getInfo
```
java.lang.String[] getInfo()
```
    Return information about the query source