org.jgroups.protocols.FragHeader Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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package org.jgroups.protocols;

import org.jgroups.Header;
import org.jgroups.util.Bits;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.function.Supplier;


/**
 * @author Bela Ban
 */
public class FragHeader extends Header {
    public long id;
    public int  frag_id;
    public int  num_frags;


    public FragHeader() {
    } // used for externalization

    public FragHeader(long id, int frag_id, int num_frags) {
        this.id=id;
        this.frag_id=frag_id;
        this.num_frags=num_frags;
    }

    public short getMagicId() {return 52;}

    public Supplier create() {
        return FragHeader::new;
    }

    public String toString() {
        return "[id=" + id + ", frag_id=" + frag_id + ", num_frags=" + num_frags + ']';
    }

    @Override
    public void writeTo(DataOutput out) throws IOException {
        Bits.writeLong(id,out);
        Bits.writeInt(frag_id, out);
        Bits.writeInt(num_frags, out);
    }

    @Override
    public int serializedSize() {
        return Bits.size(id) + Bits.size(frag_id) + Bits.size(num_frags);
    }

    @Override
    public void readFrom(DataInput in) throws IOException {
        id=Bits.readLong(in);
        frag_id=Bits.readInt(in);
        num_frags=Bits.readInt(in);
    }

}