CheckConditionsContext (Eclipse Platform API Specification)

java.lang.Object
- org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext

```
public class CheckConditionsContext
extends Object
```
A context that is shared between the refactoring processor and all its associated participants during condition checking.
The context manages a set of IConditionCheckerobjects to collect condition checks that should be perform across all participants and the processor. For example validating if a file can be changed (see IWorkspace.validateEdit(org.eclipse.core.resources.IFile[], java.lang.Object) should only be called once for all files modified by the processor and all participants.

Note: this class is not intended to be extended by clients.

Since:

3.0

Restriction:

This class is not intended to be subclassed by clients.

Constructor Summary

Constructors
Constructor Description

CheckConditionsContext()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(IConditionChecker checker)`	Adds the given condition checker.
`RefactoringStatus`	`check(IProgressMonitor pm)`	Checks the condition of all registered condition checkers and returns a merge status result.
`<T extends IConditionChecker> T`	`getChecker(Class<T> clazz)`	Returns the condition checker of the given type.

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

- Constructor Detail
  - CheckConditionsContext
```
public CheckConditionsContext()
```
- Method Detail
  - getChecker
```
public <T extends IConditionChecker> T getChecker(Class<T> clazz)
```
    Returns the condition checker of the given type.
    
    Parameters:
    
    clazz - the type of the condition checker
    
    Returns:
    
    the condition checker or null if no checker is registered for the given type
  - add
```
public void add(IConditionChecker checker)
         throws CoreException
```
    Adds the given condition checker. An exception will be thrown if a checker of the same type already exists in this context.
    
    Parameters:
    
    checker - the checker to add
    
    Throws:
    
    CoreException - if a checker of the same type already exists
  - check
```
public RefactoringStatus check(IProgressMonitor pm)
                        throws CoreException
```
    Checks the condition of all registered condition checkers and returns a merge status result.
    
    Parameters:
    
    pm - a progress monitor or null if no progress reporting is desired
    
    Returns:
    
    the combined status result
    
    Throws:
    
    CoreException - if an error occurs during condition checking