package net.i2p.data.i2cp;
/*
* free (adj.): unencumbered; not under the control of others
* Written by jrandom in 2003 and released into the public domain
* with no warranty of any kind, either expressed or implied.
* It probably won't make your computer catch on fire, or eat
* your children, but it might. Use at your own risk.
*
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import net.i2p.data.DataFormatException;
import net.i2p.data.DataHelper;
import net.i2p.data.DataStructureImpl;
/**
* Defines the message ID of a message delivered between a router and a client
* in a particular session. These IDs are not globally unique.
*
* @author jrandom
*/
public class MessageId extends DataStructureImpl {
private long _messageId;
public MessageId() {
_messageId = -1;
}
public MessageId(long id) {
_messageId = id;
}
public long getMessageId() {
return _messageId;
}
public void setMessageId(long id) {
_messageId = id;
}
public void readBytes(InputStream in) throws DataFormatException, IOException {
_messageId = DataHelper.readLong(in, 4);
}
public void writeBytes(OutputStream out) throws DataFormatException, IOException {
if (_messageId < 0) throw new DataFormatException("Invalid message ID: " + _messageId);
DataHelper.writeLong(out, 4, _messageId);
}
@Override
public boolean equals(Object object) {
if ((object == null) || !(object instanceof MessageId)) return false;
return _messageId == ((MessageId) object).getMessageId();
}
@Override
public int hashCode() {
return (int)_messageId;
}
@Override
public String toString() {
return "[MessageId: " + _messageId + "]";
}
}