/**
* Unmarshalls transfer object from remote node within a given context.
*
* @param ctx Grid kernal context that provides deployment and marshalling services.
* @param sndNodeId {@link UUID} of the sender node.
* @param msg Transfer object that contains original serialized object and deployment information.
* @return Unmarshalled object.
* @throws IgniteCheckedException If node cannot obtain deployment.
*/
static Object unmarshall(GridKernalContext ctx, UUID sndNodeId, GridAffinityMessage msg)
throws IgniteCheckedException {
GridDeployment dep =
ctx.deploy()
.getGlobalDeployment(
msg.deploymentMode(),
msg.sourceClassName(),
msg.sourceClassName(),
msg.userVersion(),
sndNodeId,
msg.classLoaderId(),
msg.loaderParticipants(),
null);
if (dep == null)
throw new IgniteDeploymentCheckedException(
"Failed to obtain affinity object (is peer class loading turned on?): " + msg);
Object src =
U.unmarshal(ctx, msg.source(), U.resolveClassLoader(dep.classLoader(), ctx.config()));
// Resource injection.
ctx.resource().inject(dep, dep.deployedClass(msg.sourceClassName()), src);
return src;
}
/**
* @param ctx {@code GridKernalContext} instance which provides deployment manager
* @param o Object for which deployment should be obtained.
* @return Deployment object for given instance,
* @throws IgniteCheckedException If node cannot create deployment for given object.
*/
private static GridAffinityMessage affinityMessage(GridKernalContext ctx, Object o)
throws IgniteCheckedException {
Class cls = o.getClass();
GridDeployment dep = ctx.deploy().deploy(cls, cls.getClassLoader());
if (dep == null)
throw new IgniteDeploymentCheckedException(
"Failed to deploy affinity object with class: " + cls.getName());
return new GridAffinityMessage(
U.marshal(ctx, o),
cls.getName(),
dep.classLoaderId(),
dep.deployMode(),
dep.userVersion(),
dep.participants());
}
/**
* @param nodeId Node ID.
* @param ctx Kernal context.
* @return Deserialized object.
* @throws IgniteCheckedException In case of error.
*/
<T> T unmarshal(UUID nodeId, GridKernalContext ctx) throws IgniteCheckedException {
assert ctx != null;
GridDeployment dep =
ctx.deploy()
.getGlobalDeployment(
depInfo.deployMode(),
clsName,
clsName,
depInfo.userVersion(),
nodeId,
depInfo.classLoaderId(),
depInfo.participants(),
null);
if (dep == null)
throw new IgniteDeploymentCheckedException(
"Failed to obtain deployment for class: " + clsName);
return ctx.config().getMarshaller().unmarshal(bytes, dep.classLoader());
}
