com.google.code.or.net.impl.packet.ResultSetHeaderPacket.java Source code

Java tutorial

Introduction

Here is the source code for com.google.code.or.net.impl.packet.ResultSetHeaderPacket.java

Source

/**
 * 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;
    }
}