| /* |
| * 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; |
| |
| import java.io.Externalizable; |
| import java.nio.ByteBuffer; |
| import java.util.Collection; |
| import java.util.Collections; |
| import org.apache.ignite.internal.GridDirectCollection; |
| import org.apache.ignite.internal.GridDirectTransient; |
| import org.apache.ignite.internal.processors.cache.GridCacheDeployable; |
| import org.apache.ignite.internal.processors.cache.GridCacheIdMessage; |
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersion; |
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersionable; |
| import org.apache.ignite.internal.util.tostring.GridToStringExclude; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| /** |
| * Base for all messages in replicated cache. |
| */ |
| public abstract class GridDistributedBaseMessage extends GridCacheIdMessage implements GridCacheDeployable, |
| GridCacheVersionable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Lock or transaction version. */ |
| @GridToStringInclude |
| protected GridCacheVersion ver; |
| |
| /** */ |
| @GridToStringExclude |
| private byte[] candsByIdxBytes; |
| |
| /** Committed versions with order higher than one for this message (needed for commit ordering). */ |
| @GridToStringInclude |
| @GridDirectCollection(GridCacheVersion.class) |
| private Collection<GridCacheVersion> committedVers; |
| |
| /** Rolled back versions with order higher than one for this message (needed for commit ordering). */ |
| @GridToStringInclude |
| @GridDirectCollection(GridCacheVersion.class) |
| private Collection<GridCacheVersion> rolledbackVers; |
| |
| /** Count of keys referenced in candidates array (needed only locally for optimization). */ |
| @GridToStringInclude |
| @GridDirectTransient |
| private int cnt; |
| |
| /** |
| * Empty constructor required by {@link Externalizable} |
| */ |
| protected GridDistributedBaseMessage() { |
| /* No-op. */ |
| } |
| |
| /** |
| * @param cnt Count of keys references in list of candidates. |
| * @param addDepInfo Deployment info flag. |
| */ |
| protected GridDistributedBaseMessage(int cnt, boolean addDepInfo) { |
| assert cnt >= 0; |
| |
| this.cnt = cnt; |
| this.addDepInfo = addDepInfo; |
| } |
| |
| /** |
| * @param ver Either lock or transaction version. |
| * @param cnt Key count. |
| * @param addDepInfo Deployment info flag. |
| */ |
| protected GridDistributedBaseMessage(GridCacheVersion ver, int cnt, boolean addDepInfo) { |
| this(cnt, addDepInfo); |
| |
| assert ver != null; |
| |
| this.ver = ver; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean addDeploymentInfo() { |
| return addDepInfo; |
| } |
| |
| /** |
| * @return Version. |
| */ |
| @Override public GridCacheVersion version() { |
| return ver; |
| } |
| |
| /** |
| * @param ver Version. |
| */ |
| public void version(GridCacheVersion ver) { |
| this.ver = ver; |
| } |
| |
| /** |
| * @param committedVers Committed versions. |
| * @param rolledbackVers Rolled back versions. |
| */ |
| public void completedVersions(Collection<GridCacheVersion> committedVers, |
| Collection<GridCacheVersion> rolledbackVers) { |
| this.committedVers = committedVers; |
| this.rolledbackVers = rolledbackVers; |
| } |
| |
| /** |
| * @return Committed versions. |
| */ |
| public Collection<GridCacheVersion> committedVersions() { |
| return committedVers == null ? Collections.<GridCacheVersion>emptyList() : committedVers; |
| } |
| |
| /** |
| * @return Rolled back versions. |
| */ |
| public Collection<GridCacheVersion> rolledbackVersions() { |
| return rolledbackVers == null ? Collections.<GridCacheVersion>emptyList() : rolledbackVers; |
| } |
| |
| /** |
| * @return Count of keys referenced in candidates array (needed only locally for optimization). |
| */ |
| int keysCount() { |
| return cnt; |
| } |
| |
| /** {@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.writeByteArray("candsByIdxBytes", candsByIdxBytes)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 5: |
| if (!writer.writeCollection("committedVers", committedVers, MessageCollectionItemType.MSG)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 6: |
| if (!writer.writeCollection("rolledbackVers", rolledbackVers, MessageCollectionItemType.MSG)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 7: |
| if (!writer.writeMessage("ver", ver)) |
| 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: |
| candsByIdxBytes = reader.readByteArray("candsByIdxBytes"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 5: |
| committedVers = reader.readCollection("committedVers", MessageCollectionItemType.MSG); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 6: |
| rolledbackVers = reader.readCollection("rolledbackVers", MessageCollectionItemType.MSG); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 7: |
| ver = reader.readMessage("ver"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(GridDistributedBaseMessage.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridDistributedBaseMessage.class, this, "super", super.toString()); |
| } |
| } |