// Copyright (C) 2019 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.googlesource.gerrit.plugins.multisite.validation;

import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;

public class RefPair {
  public final Ref compareRef;
  public final ObjectId putValue;
  public final Exception exception;

  RefPair(Ref oldRef, ObjectId newRefValue) {
    if (oldRef == null) {
      throw new IllegalArgumentException("Required not-null ref in RefPair");
    }
    this.compareRef = oldRef;
    this.putValue = newRefValue;
    this.exception = null;
  }

  RefPair(Ref newRef, Exception e) {
    this.compareRef = newRef;
    this.exception = e;
    this.putValue = ObjectId.zeroId();
  }

  public String getName() {
    return compareRef.getName();
  }

  public boolean hasFailed() {
    return exception != null;
  }
}