org.mbari.siam.distributed
Class PacketSubsampler

java.lang.Object
  org.mbari.siam.distributed.PacketFilter
      org.mbari.siam.distributed.PacketSubsampler

All Implemented Interfaces:

java.io.Serializable

public class PacketSubsampler
extends PacketFilter
implements java.io.Serializable

PacketSubsampler filters every nth packet of specified types.

See Also:

Serialized Form

Field Summary

protected int	_currentCount Number of packets that have been read.
protected int	_skipInterval Number of packets to skip between subsamples.

Fields inherited from class org.mbari.siam.distributed.PacketFilter

_log4j

Constructor Summary

PacketSubsampler(int skipInterval, int packetTypeFlags)
Specify subsample skip interval for specified packet types; interval of 0 means don't skip any packets, interval of -1 means never sample any packets.

Method Summary

boolean	pass(DevicePacket packet) If filter is not applicable to specified packet's type, or specified packet passes filter criteria, return true; else return false.
void	reset() Reset filter in preparation for starting on an input data set.
java.lang.String	toString() Print string representation

Methods inherited from class org.mbari.siam.distributed.PacketFilter

filteredType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_skipInterval

protected int _skipInterval

Number of packets to skip between subsamples. _skipInterval of 0 means to sample every packet. _skipInterval of -1 means to never sample.

_currentCount

protected int _currentCount

Number of packets that have been read.

Constructor Detail

PacketSubsampler

public PacketSubsampler(int skipInterval,
                        int packetTypeFlags)

Specify subsample skip interval for specified packet types; interval of 0 means don't skip any packets, interval of -1 means never sample any packets.

Method Detail

reset

public void reset()

Reset filter in preparation for starting on an input data set.

Specified by:

reset in class PacketFilter

pass

public boolean pass(DevicePacket packet)

If filter is not applicable to specified packet's type, or specified packet passes filter criteria, return true; else return false.

Specified by:

pass in class PacketFilter

toString

public java.lang.String toString()

Print string representation

Overrides:

toString in class PacketFilter