| /* |
| * 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.affinity; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.io.ObjectStreamException; |
| import java.util.Collection; |
| import java.util.Map; |
| import org.apache.ignite.cache.affinity.Affinity; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.internal.processors.cache.CacheOperationContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheGateway; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Affinity interface implementation. |
| */ |
| public class GridCacheAffinityProxy<K, V> implements Affinity<K>, Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Cache gateway. */ |
| private GridCacheGateway<K, V> gate; |
| |
| /** Affinity delegate. */ |
| private Affinity<K> delegate; |
| |
| /** Context. */ |
| private GridCacheContext<K, V> cctx; |
| |
| /** |
| * Required by {@link Externalizable}. |
| */ |
| public GridCacheAffinityProxy() { |
| // No-op. |
| } |
| |
| /** |
| * @param cctx Context. |
| * @param delegate Delegate object. |
| */ |
| public GridCacheAffinityProxy(GridCacheContext<K, V> cctx, Affinity<K> delegate) { |
| gate = cctx.gate(); |
| this.delegate = delegate; |
| this.cctx = cctx; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int partitions() { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.partitions(); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int partition(K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.partition(key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isPrimary(ClusterNode n, K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.isPrimary(n, key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isBackup(ClusterNode n, K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.isBackup(n, key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isPrimaryOrBackup(ClusterNode n, K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.isPrimaryOrBackup(n, key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int[] primaryPartitions(ClusterNode n) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.primaryPartitions(n); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int[] backupPartitions(ClusterNode n) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.backupPartitions(n); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int[] allPartitions(ClusterNode n) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.allPartitions(n); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ClusterNode mapPartitionToNode(int part) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapPartitionToNode(part); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<Integer, ClusterNode> mapPartitionsToNodes(Collection<Integer> parts) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapPartitionsToNodes(parts); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object affinityKey(K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.affinityKey(key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| |
| /** {@inheritDoc} */ |
| @Override @Nullable public ClusterNode mapKeyToNode(K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapKeyToNode(key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<ClusterNode, Collection<K>> mapKeysToNodes(@Nullable Collection<? extends K> keys) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapKeysToNodes(keys); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<ClusterNode> mapKeyToPrimaryAndBackups(K key) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapKeyToPrimaryAndBackups(key); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<ClusterNode> mapPartitionToPrimaryAndBackups(int part) { |
| CacheOperationContext old = gate.enter(null); |
| |
| try { |
| return delegate.mapPartitionToPrimaryAndBackups(part); |
| } |
| finally { |
| gate.leave(old); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| out.writeObject(cctx); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| cctx = (GridCacheContext<K, V>)in.readObject(); |
| } |
| |
| /** |
| * Reconstructs object on unmarshalling. |
| * |
| * @return Reconstructed object. |
| * @throws ObjectStreamException Thrown in case of unmarshalling error. |
| */ |
| private Object readResolve() throws ObjectStreamException { |
| return cctx.grid().affinity(cctx.cache().name()); |
| } |
| } |