| /* |
| * Copyright (C) 2016, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.internal.ketch; |
| |
| import java.util.Date; |
| |
| import org.eclipse.jgit.annotations.Nullable; |
| import org.eclipse.jgit.lib.ObjectId; |
| |
| /** |
| * A snapshot of a replica. |
| * |
| * @see LeaderSnapshot |
| */ |
| public class ReplicaSnapshot { |
| final KetchReplica replica; |
| ObjectId accepted; |
| ObjectId committed; |
| KetchReplica.State state; |
| String error; |
| long retryAtMillis; |
| |
| ReplicaSnapshot(KetchReplica replica) { |
| this.replica = replica; |
| } |
| |
| /** |
| * Get the replica this snapshot describes the state of |
| * |
| * @return the replica this snapshot describes the state of |
| */ |
| public KetchReplica getReplica() { |
| return replica; |
| } |
| |
| /** |
| * Get current state of the replica |
| * |
| * @return current state of the replica |
| */ |
| public KetchReplica.State getState() { |
| return state; |
| } |
| |
| /** |
| * Get last known Git commit at {@code refs/txn/accepted} |
| * |
| * @return last known Git commit at {@code refs/txn/accepted} |
| */ |
| @Nullable |
| public ObjectId getAccepted() { |
| return accepted; |
| } |
| |
| /** |
| * Get last known Git commit at {@code refs/txn/committed} |
| * |
| * @return last known Git commit at {@code refs/txn/committed} |
| */ |
| @Nullable |
| public ObjectId getCommitted() { |
| return committed; |
| } |
| |
| /** |
| * Get error message |
| * |
| * @return if {@link #getState()} == |
| * {@link org.eclipse.jgit.internal.ketch.KetchReplica.State#OFFLINE} |
| * an optional human-readable message from the transport system |
| * explaining the failure. |
| */ |
| @Nullable |
| public String getErrorMessage() { |
| return error; |
| } |
| |
| /** |
| * Get when the leader will retry communication with the offline or lagging |
| * replica |
| * |
| * @return time (usually in the future) when the leader will retry |
| * communication with the offline or lagging replica; null if no |
| * retry is scheduled or necessary. |
| */ |
| @Nullable |
| public Date getRetryAt() { |
| return retryAtMillis > 0 ? new Date(retryAtMillis) : null; |
| } |
| } |