/**
* 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 com.google.code.or.net.impl.packet;
import java.io.IOException;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import com.google.code.or.common.glossary.UnsignedLong;
import com.google.code.or.io.util.XDeserializer;
import com.google.code.or.io.util.XSerializer;
import com.google.code.or.net.Packet;
/**
*
* @author Jingqi Xu
*/
public class ResultSetHeaderPacket extends AbstractPacket {
//
private static final long serialVersionUID = -5491186291875548645L;
//
private UnsignedLong fieldCount;
private UnsignedLong extra;
/**
*
*/
@Override
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append("fieldCount", fieldCount)
.append("extra", extra).toString();
}
/**
*
*/
public byte[] getPacketBody() {
final XSerializer s = new XSerializer(32);
s.writeUnsignedLong(this.fieldCount);
if(this.extra != null) s.writeUnsignedLong(this.extra);
return s.toByteArray();
}
/**
*
*/
public UnsignedLong getFieldCount() {
return fieldCount;
}
public void setFieldCount(UnsignedLong fieldCount) {
this.fieldCount = fieldCount;
}
public UnsignedLong getExtra() {
return extra;
}
public void setExtra(UnsignedLong extra) {
this.extra = extra;
}
/**
*
*/
public static ResultSetHeaderPacket valueOf(Packet packet) throws IOException {
final XDeserializer d = new XDeserializer(packet.getPacketBody());
final ResultSetHeaderPacket r = new ResultSetHeaderPacket();
r.length = packet.getLength();
r.sequence = packet.getSequence();
r.fieldCount = d.readUnsignedLong();
if(d.available() > 0) r.extra = d.readUnsignedLong();
return r;
}
}