| /* |
| * 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.pagemem; |
| |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.GridKernalContext; |
| import org.apache.ignite.internal.pagemem.wal.IgniteWriteAheadLogManager; |
| import org.apache.ignite.internal.pagemem.wal.WALIterator; |
| import org.apache.ignite.internal.pagemem.wal.record.RolloverType; |
| import org.apache.ignite.internal.pagemem.wal.record.WALRecord; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.processors.cache.persistence.StorageException; |
| import org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer; |
| import org.apache.ignite.lang.IgniteBiPredicate; |
| import org.apache.ignite.lang.IgniteFuture; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public class NoOpWALManager implements IgniteWriteAheadLogManager { |
| /** {@inheritDoc} */ |
| @Override public boolean isAlwaysWriteFullPages() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isFullSync() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int serializerVersion() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void resumeLogging(WALPointer ptr) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALPointer log(WALRecord entry) throws IgniteCheckedException, StorageException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALPointer log(WALRecord entry, RolloverType rollOverType) { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALPointer flush(WALPointer ptr, boolean explicitFsync) throws IgniteCheckedException, StorageException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALRecord read(WALPointer ptr) throws IgniteCheckedException, StorageException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALIterator replay(WALPointer start) throws IgniteCheckedException, StorageException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALIterator replay( |
| WALPointer start, |
| @Nullable IgniteBiPredicate<WALRecord.RecordType, WALPointer> recordDeserializeFilter |
| ) throws IgniteCheckedException, StorageException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean reserve(WALPointer start) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void release(WALPointer start) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int truncate(@Nullable WALPointer high) { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void notchLastCheckpointPtr(WALPointer ptr) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean reserved(WALPointer ptr) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int reserved(WALPointer low, WALPointer high) { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean disabled(int grpId) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void start(GridCacheSharedContext cctx) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onKernalStart(boolean active) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void stop(boolean cancel) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onKernalStop(boolean cancel) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onDisconnected(IgniteFuture reconnectFut) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onReconnected(boolean active) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void printMemoryStats() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onActivate(GridKernalContext kctx) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onDeActivate(GridKernalContext kctx) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long currentSegment() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int walArchiveSegments() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long lastArchivedSegment() { |
| return -1L; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long lastCompactedSegment() { |
| return -1L; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long segmentSize(long idx) { |
| return -1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public WALPointer lastWritePointer() { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void startAutoReleaseSegments() { |
| // No-op. |
| } |
| } |