| /* |
| * 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.igfs; |
| |
| import java.io.Externalizable; |
| import java.nio.ByteBuffer; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.GridDirectTransient; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.apache.ignite.marshaller.Marshaller; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Block write request acknowledgement message. |
| */ |
| public class IgfsAckMessage extends IgfsCommunicationMessage { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** File id. */ |
| private IgniteUuid fileId; |
| |
| /** Request ID to ack. */ |
| private long id; |
| |
| /** Write exception. */ |
| @GridDirectTransient |
| private IgniteCheckedException err; |
| |
| /** */ |
| private byte[] errBytes; |
| |
| /** |
| * Empty constructor required by {@link Externalizable}. |
| */ |
| public IgfsAckMessage() { |
| // No-op. |
| } |
| |
| /** |
| * @param fileId File ID. |
| * @param id Request ID. |
| * @param err Error. |
| */ |
| public IgfsAckMessage(IgniteUuid fileId, long id, @Nullable IgniteCheckedException err) { |
| this.fileId = fileId; |
| this.id = id; |
| this.err = err; |
| } |
| |
| /** |
| * @return File ID. |
| */ |
| public IgniteUuid fileId() { |
| return fileId; |
| } |
| |
| /** |
| * @return Batch ID. |
| */ |
| public long id() { |
| return id; |
| } |
| |
| /** |
| * @return Error occurred when writing this batch, if any. |
| */ |
| public IgniteCheckedException error() { |
| return err; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void prepareMarshal(Marshaller marsh) throws IgniteCheckedException { |
| super.prepareMarshal(marsh); |
| |
| if (err != null && errBytes == null) |
| errBytes = U.marshal(marsh, err); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void finishUnmarshal(Marshaller marsh, @Nullable ClassLoader ldr) throws IgniteCheckedException { |
| super.finishUnmarshal(marsh, ldr); |
| |
| if (errBytes != null && err == null) |
| err = U.unmarshal(marsh, errBytes, ldr); |
| } |
| |
| /** {@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 0: |
| if (!writer.writeByteArray("errBytes", errBytes)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 1: |
| if (!writer.writeIgniteUuid("fileId", fileId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 2: |
| if (!writer.writeLong("id", id)) |
| 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 0: |
| errBytes = reader.readByteArray("errBytes"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 1: |
| fileId = reader.readIgniteUuid("fileId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 2: |
| id = reader.readLong("id"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(IgfsAckMessage.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 64; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 3; |
| } |
| } |