| /* |
| * 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.util; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.UUID; |
| import org.apache.ignite.internal.GridDirectCollection; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| /** |
| * Collection of UUIDs. |
| */ |
| public class UUIDCollectionMessage implements Message { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| @GridDirectCollection(UUID.class) |
| private Collection<UUID> uuids; |
| |
| /** |
| * Empty constructor required for direct marshalling. |
| */ |
| public UUIDCollectionMessage() { |
| // No-op. |
| } |
| |
| /** |
| * @param uuids UUIDs to wrap. |
| */ |
| public UUIDCollectionMessage(Collection<UUID> uuids) { |
| this.uuids = uuids; |
| } |
| |
| /** |
| * @param uuids UUIDs. |
| * @return Message. |
| */ |
| public static UUIDCollectionMessage of(UUID... uuids) { |
| if (uuids == null || uuids.length == 0) |
| return null; |
| |
| List<UUID> list = uuids.length == 1 ? Collections.singletonList(uuids[0]) : Arrays.asList(uuids); |
| |
| return new UUIDCollectionMessage(list); |
| } |
| |
| /** |
| * @return The collection of UUIDs that was wrapped. |
| */ |
| public Collection<UUID> uuids() { |
| return uuids; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@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.writeCollection("uuids", uuids, MessageCollectionItemType.UUID)) |
| 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: |
| uuids = reader.readCollection("uuids", MessageCollectionItemType.UUID); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(UUIDCollectionMessage.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 115; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| |
| if (o == null || getClass() != o.getClass()) |
| return false; |
| |
| UUIDCollectionMessage that = (UUIDCollectionMessage)o; |
| |
| return uuids == that.uuids || (uuids != null && uuids.equals(that.uuids)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| return uuids != null ? uuids.hashCode() : 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(UUIDCollectionMessage.class, this, "uuidsSize", uuids == null ? null : uuids.size()); |
| } |
| } |