| /* |
| * 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 org.apache.ignite.internal.GridDirectTransient; |
| import org.apache.ignite.internal.processors.query.schema.message.SchemaOperationStatusMessage; |
| 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; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.nio.ByteBuffer; |
| import java.util.UUID; |
| |
| /** |
| * WAL state ack message (sent from participant node to coordinator). |
| */ |
| public class WalStateAckMessage implements Message { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Operation ID. */ |
| private UUID opId; |
| |
| /** Affinity node flag. */ |
| private boolean affNode; |
| |
| /** Operation result. */ |
| private boolean changed; |
| |
| /** Error message. */ |
| private String errMsg; |
| |
| /** Sender node ID. */ |
| @GridDirectTransient |
| private UUID sndNodeId; |
| |
| /** |
| * Default constructor. |
| */ |
| public WalStateAckMessage() { |
| // No-op. |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param opId Operation ID. |
| * @param affNode Affinity node. |
| * @param changed Operation result. |
| * @param errMsg Error message. |
| */ |
| public WalStateAckMessage(UUID opId, boolean affNode, boolean changed, @Nullable String errMsg) { |
| this.opId = opId; |
| this.affNode = affNode; |
| this.changed = changed; |
| this.errMsg = errMsg; |
| } |
| |
| /** |
| * @return Operation ID. |
| */ |
| public UUID operationId() { |
| return opId; |
| } |
| |
| /** |
| * @return Affinity node flag. |
| */ |
| public boolean affNode() { |
| return affNode; |
| } |
| |
| /** |
| * @return Result. |
| */ |
| public boolean changed() { |
| return changed; |
| } |
| |
| /** |
| * @return Error message. |
| */ |
| @Nullable public String errorMessage() { |
| return errMsg; |
| } |
| |
| /** |
| * @return Sender node ID. |
| */ |
| public UUID senderNodeId() { |
| return sndNodeId; |
| } |
| |
| /** |
| * @param sndNodeId Sender node ID. |
| */ |
| public void senderNodeId(UUID sndNodeId) { |
| this.sndNodeId = sndNodeId; |
| } |
| |
| /** {@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.writeUuid("opId", opId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 1: |
| if (!writer.writeBoolean("affNode", affNode)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 2: |
| if (!writer.writeBoolean("changed", changed)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 3: |
| if (!writer.writeString("errMsg", errMsg)) |
| 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: |
| opId = reader.readUuid("opId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 1: |
| affNode = reader.readBoolean("affNode"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 2: |
| changed = reader.readBoolean("changed"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 3: |
| errMsg = reader.readString("errMsg"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| } |
| |
| return reader.afterMessageRead(SchemaOperationStatusMessage.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 129; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 4; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(WalStateAckMessage.class, this); |
| } |
| } |