| /* |
| * Copyright (C) 2016, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| 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; |
| } |
| } |