```
public class CancellableQueryTracker
extends Object
```
Tracks metadata for active queries and provides methods for access

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addShardLevelActiveQuery(String queryID, CancellableCollector collector)`
`String`	`generateQueryID(SolrQueryRequest req)`	Generates a UUID for the given query or if the user provided a UUID for this query, uses that.
`Iterator<Map.Entry<String,String>>`	`getActiveQueriesGenerated()`
`CancellableCollector`	`getCancellableTask(String queryID)`
`boolean`	`isQueryIdActive(String queryID)`
`void`	`releaseQueryID(String inputQueryID)`
`void`	`removeCancellableQuery(String queryID)`

Constructor Detail
- CancellableQueryTracker
```
public CancellableQueryTracker()
```

generateQueryID
```
public String generateQueryID(SolrQueryRequest req)
```
Generates a UUID for the given query or if the user provided a UUID for this query, uses that.

public void releaseQueryID(String inputQueryID)

public boolean isQueryIdActive(String queryID)

public void addShardLevelActiveQuery(String queryID,
                                     CancellableCollector collector)

public CancellableCollector getCancellableTask(String queryID)

public void removeCancellableQuery(String queryID)

public Iterator<Map.Entry<String,String>> getActiveQueriesGenerated()

Class CancellableQueryTracker