bees.core
Class DataRequestCapsule

java.lang.Object
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  +--bees.core.Packet
        |
        +--bees.core.ANEPPacket
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              +--bees.core.Capsule
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                    +--bees.core.DataRequestCapsule

Direct Known Subclasses:

ReliableDataRequestCapsule

public abstract class DataRequestCapsule

extends Capsule

A DataRequestCapsule is base class used for capsules that wish to request some "large" data from a peer node.

Constructor Summary

protected	DataRequestCapsule() Construct an empty DataRequestCapsule.
protected	DataRequestCapsule(DataAggregator da) Construct and initialize DataRequestCapsule from the given DataAggregator.

Method Summary

void	decode(Xdr xdr) Decode this Capsule's state from the given Xdr.
void	encode(Xdr xdr) Encode this Capsule's state into the given Xdr.
protected int	getCurrentWindow()
protected long	getWindowChunks()
java.lang.String	toString()

Methods inherited from class bees.core.Capsule

addToPool, checkPermission, clone, decodingException, equals, evaluate, evaluate, fromCapsule, fromExternal, getCapsuleID, getFlowDesc, getSession, getSession, getSource, internalDecode, internalEncode, internalReset, reset, skipOptions, specializeCapsule

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DataRequestCapsule

protected DataRequestCapsule()

Construct an empty DataRequestCapsule.

DataRequestCapsule

protected DataRequestCapsule(DataAggregator da)

Construct and initialize DataRequestCapsule from the given DataAggregator.

Parameters:

da - The DataAggregator object that should be used in determining the needed window and chunk set. If NULL, the current window is assumed to be zero and the needed chunks set is all one's.

Method Detail

decode

public void decode(Xdr xdr)

Description copied from class: Capsule

Decode this Capsule's state from the given Xdr.

Overrides:

decode in class Capsule

See Also:

Capsule.decode(Xdr)

encode

public void encode(Xdr xdr)

Description copied from class: Capsule

Encode this Capsule's state into the given Xdr.

Overrides:

encode in class Capsule

See Also:

Capsule.encode(Xdr)

getCurrentWindow

protected int getCurrentWindow()

Returns:

The DataAggregator window that is being requested.

getWindowChunks

protected long getWindowChunks()

Returns:

The set of DataAggregator chunks that is being requested.

toString

public java.lang.String toString()

Overrides:

toString in class Capsule

See Also:

Object.toString()