com.google.gerrit.extensions.client.ChangeKind Maven / Gradle / Ivy
// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.extensions.client;
/** Operation performed by a change relative to its parent. */
public enum ChangeKind {
/** Nontrivial content changes. */
REWORK,
/** Conflict-free merge between the new parent and the prior patch set. */
TRIVIAL_REBASE,
/** Conflict-free change of first (left) parent of a merge commit. */
MERGE_FIRST_PARENT_UPDATE,
/** Same tree and same parent tree. */
NO_CODE_CHANGE,
/** Same tree, parent tree, same commit message. */
NO_CHANGE;
public boolean matches(ChangeKind changeKind, boolean isMerge) {
switch (changeKind) {
case REWORK:
// REWORK inlcudes all other change kinds, since those are just more trivial cases of a
// rework
return true;
case TRIVIAL_REBASE:
return isTrivialRebase();
case MERGE_FIRST_PARENT_UPDATE:
return isMergeFirstParentUpdate(isMerge);
case NO_CHANGE:
return this == NO_CHANGE;
case NO_CODE_CHANGE:
return isNoCodeChange();
}
throw new IllegalStateException("unexpected change kind: " + changeKind);
}
public boolean isNoCodeChange() {
// NO_CHANGE is a more trivial case of NO_CODE_CHANGE and hence matched as well
return this == NO_CHANGE || this == NO_CODE_CHANGE;
}
public boolean isTrivialRebase() {
// NO_CHANGE is a more trivial case of TRIVIAL_REBASE and hence matched as well
return this == NO_CHANGE || this == TRIVIAL_REBASE;
}
public boolean isMergeFirstParentUpdate(boolean isMerge) {
if (!isMerge) {
return false;
}
// NO_CHANGE is a more trivial case of MERGE_FIRST_PARENT_UPDATE and hence matched as well
return this == NO_CHANGE || this == MERGE_FIRST_PARENT_UPDATE;
}
}