| /* |
| * 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; |
| |
| import java.nio.ByteBuffer; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.processors.cache.mvcc.MvccUpdateVersionAware; |
| import org.apache.ignite.internal.processors.cache.mvcc.MvccVersionAware; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| import static org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.MVCC_HINTS_BIT_OFF; |
| import static org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.MVCC_HINTS_MASK; |
| import static org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.MVCC_OP_COUNTER_MASK; |
| |
| /** |
| * |
| */ |
| public class GridCacheMvccEntryInfo extends GridCacheEntryInfo implements MvccVersionAware, MvccUpdateVersionAware { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private static final int SIZE_OVERHEAD = 4 * 8 /* long */ + 2 * 4 /* int */; |
| |
| /** */ |
| private long mvccCrdVer; |
| |
| /** */ |
| private long mvccCntr; |
| |
| /** */ |
| private int mvccOpCntr; |
| |
| /** */ |
| private long newMvccCrdVer; |
| |
| /** */ |
| private long newMvccCntr; |
| |
| /** */ |
| private int newMvccOpCntr; |
| |
| /** {@inheritDoc} */ |
| @Override public long newMvccCoordinatorVersion() { |
| return newMvccCrdVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long newMvccCounter() { |
| return newMvccCntr; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int newMvccOperationCounter() { |
| return newMvccOpCntr & MVCC_OP_COUNTER_MASK; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte newMvccTxState() { |
| return (byte)(newMvccOpCntr >>> MVCC_HINTS_BIT_OFF); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long mvccCoordinatorVersion() { |
| return mvccCrdVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long mvccCounter() { |
| return mvccCntr; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int mvccOperationCounter() { |
| return mvccOpCntr & MVCC_OP_COUNTER_MASK; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte mvccTxState() { |
| return (byte)(mvccOpCntr >>> MVCC_HINTS_BIT_OFF); |
| } |
| |
| /** |
| * @param mvccTxState Mvcc version Tx state hint. |
| */ |
| public void mvccTxState(byte mvccTxState) { |
| mvccOpCntr = (mvccOpCntr & ~MVCC_HINTS_MASK) | ((int)mvccTxState << MVCC_HINTS_BIT_OFF); |
| } |
| |
| /** |
| * @param newMvccTxState New mvcc version Tx state hint. |
| */ |
| public void newMvccTxState(byte newMvccTxState) { |
| newMvccOpCntr = (newMvccOpCntr & ~MVCC_HINTS_MASK) | ((int)newMvccTxState << MVCC_HINTS_BIT_OFF); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void newMvccVersion(long crd, long cntr, int opCntr) { |
| newMvccCrdVer = crd; |
| newMvccCntr = cntr; |
| newMvccOpCntr = opCntr; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void mvccVersion(long crd, long cntr, int opCntr) { |
| mvccCrdVer = crd; |
| mvccCntr = cntr; |
| mvccOpCntr = opCntr; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int marshalledSize(CacheObjectContext ctx) throws IgniteCheckedException { |
| return SIZE_OVERHEAD + super.marshalledSize(ctx); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) { |
| writer.setBuffer(buf); |
| |
| if (!super.writeTo(buf, writer)) |
| return false; |
| |
| if (!writer.isHeaderWritten()) { |
| if (!writer.writeHeader(directType(), fieldsCount())) |
| return false; |
| |
| writer.onHeaderWritten(); |
| } |
| |
| switch (writer.state()) { |
| case 6: |
| if (!writer.writeLong("mvccCntr", mvccCntr)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 7: |
| if (!writer.writeLong("mvccCrdVer", mvccCrdVer)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 8: |
| if (!writer.writeInt("mvccOpCntr", mvccOpCntr)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 9: |
| if (!writer.writeLong("newMvccCntr", newMvccCntr)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 10: |
| if (!writer.writeLong("newMvccCrdVer", newMvccCrdVer)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 11: |
| if (!writer.writeInt("newMvccOpCntr", newMvccOpCntr)) |
| return false; |
| |
| writer.incrementState(); |
| |
| } |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) { |
| reader.setBuffer(buf); |
| |
| if (!reader.beforeMessageRead()) |
| return false; |
| |
| if (!super.readFrom(buf, reader)) |
| return false; |
| |
| switch (reader.state()) { |
| case 6: |
| mvccCntr = reader.readLong("mvccCntr"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 7: |
| mvccCrdVer = reader.readLong("mvccCrdVer"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 8: |
| mvccOpCntr = reader.readInt("mvccOpCntr"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 9: |
| newMvccCntr = reader.readLong("newMvccCntr"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 10: |
| newMvccCrdVer = reader.readLong("newMvccCrdVer"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 11: |
| newMvccOpCntr = reader.readInt("newMvccOpCntr"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(GridCacheMvccEntryInfo.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 12; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 143; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridCacheMvccEntryInfo.class, this); |
| } |
| } |