| /* |
| * 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.distributed.dht; |
| |
| import java.nio.ByteBuffer; |
| import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion; |
| import org.apache.ignite.internal.processors.cache.GridCacheGroupIdMessage; |
| 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; |
| |
| /** |
| * Affinity assignment request. |
| */ |
| public class GridDhtAffinityAssignmentRequest extends GridCacheGroupIdMessage { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private static final int SND_PART_STATE_MASK = 0x01; |
| |
| /** */ |
| private byte flags; |
| |
| /** */ |
| private long futId; |
| |
| /** Topology version being queried. */ |
| private AffinityTopologyVersion topVer; |
| |
| /** |
| * Empty constructor. |
| */ |
| public GridDhtAffinityAssignmentRequest() { |
| // No-op. |
| } |
| |
| /** |
| * @param futId Future ID. |
| * @param grpId Cache group ID. |
| * @param topVer Topology version. |
| * @param sndPartMap {@code True} if need send in response cache partitions state. |
| */ |
| public GridDhtAffinityAssignmentRequest( |
| long futId, |
| int grpId, |
| AffinityTopologyVersion topVer, |
| boolean sndPartMap) { |
| assert topVer != null; |
| |
| this.futId = futId; |
| this.grpId = grpId; |
| this.topVer = topVer; |
| |
| if (sndPartMap) |
| flags |= SND_PART_STATE_MASK; |
| } |
| |
| /** |
| * @return {@code True} if need send in response cache partitions state. |
| */ |
| public boolean sendPartitionsState() { |
| return (flags & SND_PART_STATE_MASK) != 0; |
| } |
| |
| /** |
| * @return Future ID. |
| */ |
| public long futureId() { |
| return futId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean addDeploymentInfo() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean partitionExchangeMessage() { |
| return true; |
| } |
| |
| /** |
| * @return Requested topology version. |
| */ |
| @Override public AffinityTopologyVersion topologyVersion() { |
| return topVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 28; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 7; |
| } |
| |
| /** {@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 4: |
| if (!writer.writeByte("flags", flags)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 5: |
| if (!writer.writeLong("futId", futId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 6: |
| if (!writer.writeAffinityTopologyVersion("topVer", topVer)) |
| 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 4: |
| flags = reader.readByte("flags"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 5: |
| futId = reader.readLong("futId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 6: |
| topVer = reader.readAffinityTopologyVersion("topVer"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(GridDhtAffinityAssignmentRequest.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridDhtAffinityAssignmentRequest.class, this, super.toString()); |
| } |
| } |