org.gridgain.grid.kernal.processors.version

Interface GridVersionProcessor

All Superinterfaces:

GridComponent, GridProcessor

All Known Implementing Classes:

GridOsVersionProcessor

public interface GridVersionProcessor
extends GridProcessor

Version converter processor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addConvertersToAttributes(Map<String,Object> attrs) Adds all registered local converters to node attributes.
void	onNodeJoined(GridNode node) Handles node joined event.
void	onNodeLeft(GridNode node) Handles node left event.
void	onStart(Collection<GridNode> remoteNodes) Handles node start.
boolean	readDelta(UUID nodeId, Class<?> msgCls, ByteBuffer buf) Reads delta for provided node and message type.
void	registerLocal(Class<?> cls, Class<? extends GridVersionConverter> converterCls, GridProductVersion fromVer) Locally registers converter for a class.
boolean	writeDelta(UUID nodeId, Class<?> msgCls, ByteBuffer buf) Writes delta for provided node and message type.

Methods inherited from interface org.gridgain.grid.kernal.processors.GridProcessor

addAttributes

Methods inherited from interface org.gridgain.grid.kernal.GridComponent

collectDiscoveryData, onDiscoveryDataReceived, onKernalStart, onKernalStop, printMemoryStats, start, stop, validateNode

Method Detail

onStart

void onStart(Collection<GridNode> remoteNodes)

Handles node start.

Parameters:

remoteNodes - Remote grid nodes.

onNodeJoined

void onNodeJoined(GridNode node)

Handles node joined event.

Parameters:

node - Joined node.

onNodeLeft

void onNodeLeft(GridNode node)

Handles node left event.

Parameters:

node - Left node.

writeDelta

boolean writeDelta(UUID nodeId,
                 Class<?> msgCls,
                 ByteBuffer buf)

Writes delta for provided node and message type.

Parameters:

nodeId - Node ID.

msgCls - Message type.

buf - Buffer to write to.

Returns:

Whether delta was fully written.

readDelta

boolean readDelta(UUID nodeId,
                Class<?> msgCls,
                ByteBuffer buf)

Reads delta for provided node and message type.

Parameters:

nodeId - Node ID.

msgCls - Message type.

buf - Buffer to read from.

Returns:

Whether delta was fully read.

registerLocal

void registerLocal(Class<?> cls,
                 Class<? extends GridVersionConverter> converterCls,
                 GridProductVersion fromVer)
                   throws GridException

Locally registers converter for a class.

Parameters:

cls - Class.

converterCls - Converter class.

fromVer - Version to convert from.

Throws:

GridException - In case of error.

addConvertersToAttributes

void addConvertersToAttributes(Map<String,Object> attrs)

Adds all registered local converters to node attributes.

Parameters:

attrs - Node attributes.