| /* |
| * 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.transactions; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.processors.cache.store.CacheStoreManager; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public class IgniteTxRemoteSingleStateImpl extends IgniteTxRemoteStateAdapter { |
| /** */ |
| private IgniteTxEntry entry; |
| |
| /** {@inheritDoc} */ |
| @Override public void unwindEvicts(GridCacheSharedContext cctx) { |
| if (entry == null) |
| return; |
| |
| GridCacheContext ctx = cctx.cacheContext(entry.cacheId()); |
| |
| if (ctx != null) |
| CU.unwindEvicts(ctx); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void addWriteEntry(IgniteTxKey key, IgniteTxEntry e) { |
| entry = e; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void clearEntry(IgniteTxKey key) { |
| if (entry != null && entry.txKey().equals(key)) |
| entry = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteTxEntry entry(IgniteTxKey key) { |
| if (entry != null && entry.txKey().equals(key)) |
| return entry; |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasWriteKey(IgniteTxKey key) { |
| return entry != null && entry.txKey().equals(key); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Set<IgniteTxKey> readSet() { |
| return Collections.emptySet(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Set<IgniteTxKey> writeSet() { |
| return entry != null ? Collections.singleton(entry.txKey()) : Collections.<IgniteTxKey>emptySet(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<IgniteTxEntry> writeEntries() { |
| return entry != null ? Collections.singletonList(entry) : Collections.<IgniteTxEntry>emptyList(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<IgniteTxEntry> readEntries() { |
| return Collections.emptyList(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<IgniteTxKey, IgniteTxEntry> writeMap() { |
| return entry != null ? F.asMap(entry.txKey(), entry) : |
| Collections.<IgniteTxKey, IgniteTxEntry>emptyMap(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<IgniteTxKey, IgniteTxEntry> readMap() { |
| return Collections.emptyMap(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean empty() { |
| return entry == null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<IgniteTxEntry> allEntries() { |
| return entry != null ? Collections.singletonList(entry) : Collections.<IgniteTxEntry>emptyList(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public IgniteTxEntry singleWrite() { |
| return entry; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void invalidPartition(int part) { |
| if (entry != null && entry.context().affinity().partition(entry.key()) == part) |
| entry = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgniteTxRemoteSingleStateImpl.class, this); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<CacheStoreManager> stores(GridCacheSharedContext cctx) { |
| if (entry == null) |
| return null; |
| |
| CacheStoreManager store = entry.context().store(); |
| |
| if (store.configured() |
| && store.isLocal()) { // Only local stores take part at tx on backup node. |
| return Collections.singleton(store); |
| } |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean mvccEnabled() { |
| return entry != null && entry.context().mvccEnabled(); |
| } |
| } |