/*
* 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.preloader;
import java.io.Externalizable;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.Map;
import org.apache.ignite.internal.util.typedef.T2;
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;
/**
* Request for single partition info.
*/
public class GridDhtPartitionsSingleRequest extends GridDhtPartitionsAbstractMessage {
/** */
private static final long serialVersionUID = 0L;
/**
* Required by {@link Externalizable}.
*/
public GridDhtPartitionsSingleRequest() {
// No-op.
}
/**
* @param id Exchange ID.
*/
GridDhtPartitionsSingleRequest(GridDhtPartitionExchangeId id) {
super(id, null);
}
/** {@inheritDoc} */
@Override public Map<Integer, T2<Long, Long>> partitionUpdateCounters(int cacheId) {
return Collections.emptyMap();
}
/** {@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();
}
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;
return reader.afterMessageRead(GridDhtPartitionsSingleRequest.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return 48;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 6;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridDhtPartitionsSingleRequest.class, this, super.toString());
}
}