AbstractFailureHandler (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.failure.AbstractFailureHandler

All Implemented Interfaces:

FailureHandler

Direct Known Subclasses:

NoOpFailureHandler, RestartProcessFailureHandler, StopNodeFailureHandler, StopNodeOrHaltFailureHandler
```
public abstract class AbstractFailureHandler
extends Object
implements FailureHandler
```
Abstract superclass for FailureHandler implementations. Maintains a set of ignored failure types. Failure handler will not invalidate kernal context for this failures and will not handle it.

Constructor Summary

Constructors
Constructor Description

AbstractFailureHandler()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`Set<FailureType>`	`getIgnoredFailureTypes()`
`protected abstract boolean`	`handle(Ignite ignite, FailureContext failureCtx)`	Actual failure handling.
`boolean`	`onFailure(Ignite ignite, FailureContext failureCtx)`	Handles failure occurred on `ignite` instance.
`void`	`setIgnoredFailureTypes(Set<FailureType> failureTypes)`	Sets failure types that must be ignored by failure handler.
`String`	`toString()`

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

- Constructor Detail
  - AbstractFailureHandler
```
public AbstractFailureHandler()
```
- Method Detail
  - setIgnoredFailureTypes
```
public void setIgnoredFailureTypes(Set<FailureType> failureTypes)
```
    Sets failure types that must be ignored by failure handler.
    
    Parameters:
    
    failureTypes - Set of failure type that must be ignored.
    
    See Also:
    
    FailureType
  - getIgnoredFailureTypes
```
public Set<FailureType> getIgnoredFailureTypes()
```
    Returns:
    
    Unmodifiable set of ignored failure types.
  - onFailure
```
public boolean onFailure(Ignite ignite,
                         FailureContext failureCtx)
```
    Handles failure occurred on ignite instance. Failure details is contained in failureCtx. Returns true if kernal context must be invalidated by FailureProcessor after calling this method.
    
    Specified by:
    
    onFailure in interface FailureHandler
    
    Parameters:
    
    ignite - Ignite instance.
    
    failureCtx - Failure context.
    
    Returns:
    
    Whether kernal context must be invalidated or not.
  - handle
```
protected abstract boolean handle(Ignite ignite,
                                  FailureContext failureCtx)
```
    Actual failure handling. This method is not called for ignored failure types.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object