| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.internal.processors.cache.persistence.checkpoint; |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.internal.processors.cache.persistence.CheckpointState; |
| import org.apache.ignite.internal.util.future.GridFutureAdapter; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Represents information of a progress of a given checkpoint and |
| * allows to obtain future to wait for a particular checkpoint state. |
| */ |
| public interface CheckpointProgress { |
| /** */ |
| public boolean inProgress(); |
| |
| /** */ |
| public GridFutureAdapter futureFor(CheckpointState state); |
| |
| /** |
| * Mark this checkpoint execution as failed. |
| * |
| * @param error Causal error of fail. |
| */ |
| public void fail(Throwable error); |
| |
| /** |
| * Changing checkpoint state if order of state is correct. |
| * |
| * @param newState New checkpoint state. |
| */ |
| public void transitTo(@NotNull CheckpointState newState); |
| |
| /** |
| * @return PartitionDestroyQueue. |
| */ |
| public PartitionDestroyQueue getDestroyQueue(); |
| |
| /** |
| * @return Counter for written checkpoint pages. Not <code>null</code> only if checkpoint is running. |
| */ |
| public AtomicInteger writtenPagesCounter(); |
| |
| /** |
| * @return Counter for fsynced checkpoint pages. Not <code>null</code> only if checkpoint is running. |
| */ |
| public AtomicInteger syncedPagesCounter(); |
| |
| /** |
| * @return Counter for evicted pages during current checkpoint. Not <code>null</code> only if checkpoint is running. |
| */ |
| public AtomicInteger evictedPagesCounter(); |
| |
| /** |
| * @return Number of pages in current checkpoint. If checkpoint is not running, returns 0. |
| */ |
| public int currentCheckpointPagesCount(); |
| |
| /** |
| * Sets current checkpoint pages num to store. |
| * |
| * @param num Pages to store. |
| */ |
| public void currentCheckpointPagesCount(int num); |
| |
| /** Initialize all counters before checkpoint. */ |
| public void initCounters(int pagesSize); |
| |
| /** |
| * Update synced pages in checkpoint; |
| * |
| * @param deltha Pages num to update. |
| */ |
| public void updateSyncedPages(int deltha); |
| |
| /** |
| * Update written pages in checkpoint; |
| * |
| * @param deltha Pages num to update. |
| */ |
| public void updateWrittenPages(int deltha); |
| |
| /** |
| * Update evicted pages in checkpoint; |
| * |
| * @param deltha Pages num to update. |
| */ |
| public void updateEvictedPages(int deltha); |
| } |