MergeTip (Gerrit Review Plugin API Documentation)

java.lang.Object
- com.google.gerrit.server.git.MergeTip

```
public class MergeTip
extends Object
```
Class describing a merge tip during merge operation.
The current tip of a MergeTip may be null if the merge operation is against an unborn branch, and has not yet been attempted. This is distinct from a null MergeTip instance, which may be used to indicate that a merge failed or another error state.

Constructor Summary

Constructors
Constructor Description

MergeTip(CodeReviewCommit initialTip, Collection<CodeReviewCommit> toMerge)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`CodeReviewCommit`	`getCurrentTip()`	Returns The current tip of the current merge operation; may be null, indicating an unborn branch.
`CodeReviewCommit`	`getInitialTip()`	Returns the initial tip of the branch before the merge operation started; may be null, indicating a previously unborn branch.
`Map<org.eclipse.jgit.lib.ObjectId,org.eclipse.jgit.lib.ObjectId>`	`getMergeResults()`	The merge results of all the merges of this merge operation.
`void`	`moveTipTo(CodeReviewCommit newTip, org.eclipse.jgit.lib.ObjectId mergedFrom)`	Moves this MergeTip to newTip and appends mergeResult.

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

- Constructor Detail
  - MergeTip
```
public MergeTip(CodeReviewCommit initialTip,
                Collection<CodeReviewCommit> toMerge)
```
    Parameters:
    
    initialTip - tip before the merge operation; may be null, indicating an unborn branch.
    
    toMerge - list of commits to be merged in merge operation; may not be null or empty.
- Method Detail
  - getInitialTip
```
public CodeReviewCommit getInitialTip()
```
    Returns the initial tip of the branch before the merge operation started; may be null, indicating a previously unborn branch.
  - moveTipTo
```
public void moveTipTo(CodeReviewCommit newTip,
                      org.eclipse.jgit.lib.ObjectId mergedFrom)
```
    Moves this MergeTip to newTip and appends mergeResult.
    
    Parameters:
    
    newTip - The new tip; may not be null.
    
    mergedFrom - The result of the merge of newTip.
  - getMergeResults
```
public Map<org.eclipse.jgit.lib.ObjectId,org.eclipse.jgit.lib.ObjectId> getMergeResults()
```
    The merge results of all the merges of this merge operation.
    
    Returns:
    
    The merge results of the merge operation as a map of SHA-1 to be merged to SHA-1 of the merge result.
  - getCurrentTip
```
public CodeReviewCommit getCurrentTip()
```
    Returns The current tip of the current merge operation; may be null, indicating an unborn branch.