JdbcQueryDescriptor (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.processors.odbc.jdbc.JdbcQueryDescriptor

```
public class JdbcQueryDescriptor
extends Object
```
JDBC query descriptor used for appropriate query cancellation.

Constructor Summary

Constructors
Constructor Description

JdbcQueryDescriptor()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`GridQueryCancel`	`cancelHook()`
`void`	`decrementUsageCount()`	Descrements usage count.
`void`	`incrementUsageCount()`	Increments usage count.
`boolean`	`isCanceled()`
`boolean`	`isExecutionStarted()`
`void`	`markCancelled()`	Marks descriptor as canceled.
`int`	`usageCount()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - JdbcQueryDescriptor
```
public JdbcQueryDescriptor()
```
    Constructor.
- Method Detail
  - cancelHook
```
public GridQueryCancel cancelHook()
```
    Returns:
    
    Hook for cancellation.
  - isCanceled
```
public boolean isCanceled()
```
    Returns:
    
    True if descriptor was marked as canceled.
  - markCancelled
```
public void markCancelled()
```
    Marks descriptor as canceled.
  - incrementUsageCount
```
public void incrementUsageCount()
```
    Increments usage count.
  - decrementUsageCount
```
public void decrementUsageCount()
```
    Descrements usage count.
  - usageCount
```
public int usageCount()
```
    Returns:
    
    Usage count.
  - isExecutionStarted
```
public boolean isExecutionStarted()
```
    Returns:
    
    True if execution was started, false otherwise.