RelationUploadOrderHook (JOSM)

java.lang.Object
- org.openstreetmap.josm.actions.upload.RelationUploadOrderHook

All Implemented Interfaces:

UploadHook
```
public class RelationUploadOrderHook
extends java.lang.Object
implements UploadHook
```
This upload hook reorders the list of new relations to upload such that child relations are uploaded before parent relations. It also checks for cyclic dependencies in the list of new relations.

Constructor Summary

Constructors
Constructor Description

RelationUploadOrderHook()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected javax.swing.JPanel`	`buildWarningPanel(java.util.List<Relation> dep)`	builds the panel which warns users about a cyclic dependency
`boolean`	`checkUpload(APIDataSet apiDataSet)`	Check and/or change the data to be uploaded.
`protected void`	`warnCyclicUploadDependency(CyclicUploadDependencyException e)`	Warns the user if a cyclic dependency is detected

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

Methods inherited from interface org.openstreetmap.josm.actions.upload.UploadHook
modifyChangesetTags

- Constructor Detail
  - RelationUploadOrderHook
```
public RelationUploadOrderHook()
```
- Method Detail
  - buildWarningPanel
```
protected javax.swing.JPanel buildWarningPanel(java.util.List<Relation> dep)
```
    builds the panel which warns users about a cyclic dependency
    
    Parameters:
    
    dep - the list of relations with a cyclic dependency
    
    Returns:
    
    the panel
  - warnCyclicUploadDependency
```
protected void warnCyclicUploadDependency(CyclicUploadDependencyException e)
```
    Warns the user if a cyclic dependency is detected
    
    Parameters:
    
    e - the cyclic dependency exception
  - checkUpload
```
public boolean checkUpload(APIDataSet apiDataSet)
```
    Description copied from interface: UploadHook
    
    Check and/or change the data to be uploaded. Default implementation is to approve the upload.
    
    Specified by:
    
    checkUpload in interface UploadHook
    
    Parameters:
    
    apiDataSet - the data to upload, modify this to change the data.
    
    Returns:
    
    true if upload is possible, false to block the upload.