/*
* 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.pagemem.snapshot;
import java.nio.ByteBuffer;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
/**
* Message for exchange of snapshot creation/restoration progress between nodes.
*/
public class SnapshotProgressMessage implements Message {
/** */
private static final long serialVersionUID = 0L;
/** */
private long snapshotId;
/** */
private double progress;
/** */
public SnapshotProgressMessage() {
}
/** */
public SnapshotProgressMessage(long snapshotId, double progress) {
this.snapshotId = snapshotId;
this.progress = progress;
}
/**
* @return Snapshot ID.
*/
public long snapshotId() {
return snapshotId;
}
/**
* @return Snapshot creation/restoration progress.
*/
public double progress() {
return progress;
}
/** {@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.writeDouble("progress", progress))
return false;
writer.incrementState();
case 1:
if (!writer.writeLong("snapshotId", snapshotId))
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:
progress = reader.readDouble("progress");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 1:
snapshotId = reader.readLong("snapshotId");
if (!reader.isLastRead())
return false;
reader.incrementState();
}
return reader.afterMessageRead(SnapshotProgressMessage.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return -47;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 2;
}
/** {@inheritDoc} */
@Override public void onAckReceived() {
// No-op
}
}