| /* |
| * 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.io.Externalizable; |
| import java.nio.ByteBuffer; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.KeyCacheObject; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| /** |
| * Cache transaction key. This wrapper is needed because same keys may be enlisted in the same transaction |
| * for multiple caches. |
| */ |
| public class IgniteTxKey implements Message { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Key. */ |
| @GridToStringInclude(sensitive = true) |
| private KeyCacheObject key; |
| |
| /** Cache ID. */ |
| private int cacheId; |
| |
| /** |
| * Empty constructor required for {@link Externalizable}. |
| */ |
| public IgniteTxKey() { |
| // No-op. |
| } |
| |
| /** |
| * @param key User key. |
| * @param cacheId Cache ID. |
| */ |
| public IgniteTxKey(KeyCacheObject key, int cacheId) { |
| this.key = key; |
| this.cacheId = cacheId; |
| } |
| |
| /** |
| * @return User key. |
| */ |
| public KeyCacheObject key() { |
| return key; |
| } |
| |
| /** |
| * @return Cache ID. |
| */ |
| public int cacheId() { |
| return cacheId; |
| } |
| |
| /** |
| * @param ctx Context. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public void prepareMarshal(GridCacheContext ctx) throws IgniteCheckedException { |
| key.prepareMarshal(ctx.cacheObjectContext()); |
| } |
| |
| /** |
| * @param ctx Context. |
| * @param ldr Class loader. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public void finishUnmarshal(GridCacheContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| assert key != null; |
| |
| key.finishUnmarshal(ctx.cacheObjectContext(), ldr); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| |
| if (!(o instanceof IgniteTxKey)) |
| return false; |
| |
| IgniteTxKey that = (IgniteTxKey)o; |
| |
| return cacheId == that.cacheId && key.equals(that.key); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| int res = key.hashCode(); |
| |
| res = 31 * res + cacheId; |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) { |
| writer.setBuffer(buf); |
| |
| if (!writer.isHeaderWritten()) { |
| if (!writer.writeHeader(directType(), fieldsCount())) |
| return false; |
| |
| writer.onHeaderWritten(); |
| } |
| |
| switch (writer.state()) { |
| case 0: |
| if (!writer.writeInt("cacheId", cacheId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 1: |
| if (!writer.writeMessage("key", key)) |
| return false; |
| |
| writer.incrementState(); |
| |
| } |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) { |
| reader.setBuffer(buf); |
| |
| if (!reader.beforeMessageRead()) |
| return false; |
| |
| switch (reader.state()) { |
| case 0: |
| cacheId = reader.readInt("cacheId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 1: |
| key = reader.readMessage("key"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(IgniteTxKey.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 94; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 2; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgniteTxKey.class, this); |
| } |
| } |