IContributionService (Eclipse Platform API Specification)

```
public interface IContributionService
```
Instances of this service are capable of providing standard mechanisms that clients may use to order, display, and generally work with contributions to the Workbench.

Since:

3.4

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`TYPE_PREFERENCE`	contributionType value for Preferences
`static java.lang.String`	`TYPE_PROPERTY`	contributionType value for the PropertyDialog

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ContributionComparator`	`getComparatorFor(java.lang.String contributionType)`	Return a comparator for ordering contributions within the user interface.

- Field Detail
  - TYPE_PROPERTY
```
static final java.lang.String TYPE_PROPERTY
```
    contributionType value for the PropertyDialog
    
    See Also:
    
    Constant Field Values
  - TYPE_PREFERENCE
```
static final java.lang.String TYPE_PREFERENCE
```
    contributionType value for Preferences
    
    See Also:
    
    Constant Field Values
- Method Detail
  - getComparatorFor
```
ContributionComparator getComparatorFor(java.lang.String contributionType)
```
    Return a comparator for ordering contributions within the user interface.
    
    Parameters:
    
    contributionType - the type of contribution, must not be null.
    
    Returns:
    
    the comparator
    
    See Also:
    
    TYPE_PREFERENCE, TYPE_PROPERTY