public void ContextPartitionNavigate(ContextControllerInstanceHandle existingHandle, ContextController originator, ContextControllerState controllerState, int exportedCPOrPathId, ContextInternalFilterAddendum filterAddendum, AgentInstanceSelector agentInstanceSelector, byte[] payload, bool isRecoveringResilient)
{
var entry = _agentInstances.Get(existingHandle.ContextPartitionOrPathId);
if (entry == null)
{
return;
}
if (entry.State == ContextPartitionState.STOPPED)
{
entry.State = ContextPartitionState.STARTED;
entry.AgentInstances.Clear();
foreach (var statement in _statements)
{
var instance = StartStatement(existingHandle.ContextPartitionOrPathId, statement.Value, originator, entry.InitPartitionKey, entry.InitContextProperties, false);
entry.AgentInstances.Add(instance);
}
var key = new ContextStatePathKey(1, 0, existingHandle.SubPathId);
var value = new ContextStatePathValue(existingHandle.ContextPartitionOrPathId, payload, ContextPartitionState.STARTED);
_rootContext.Factory.FactoryContext.StateCache.UpdateContextPath(_contextName, key, value);
}
else
{
IList <AgentInstance> removed = new List <AgentInstance>(2);
IList <AgentInstance> added = new List <AgentInstance>(2);
foreach (var agentInstance in entry.AgentInstances)
{
if (!agentInstanceSelector.Select(agentInstance))
{
continue;
}
// remove
StatementAgentInstanceUtil.StopAgentInstanceRemoveResources(agentInstance, null, _servicesContext, false, false);
removed.Add(agentInstance);
// start
var statementDesc = _statements.Get(agentInstance.AgentInstanceContext.StatementId);
var instance = StartStatement(existingHandle.ContextPartitionOrPathId, statementDesc, originator, entry.InitPartitionKey, entry.InitContextProperties, isRecoveringResilient);
added.Add(instance);
if (controllerState.PartitionImportCallback != null)
{
controllerState.PartitionImportCallback.Existing(existingHandle.ContextPartitionOrPathId, exportedCPOrPathId);
}
}
entry.AgentInstances.RemoveAll(removed);
entry.AgentInstances.AddAll(added);
}
}
public void ContextPartitionNavigate(
ContextControllerInstanceHandle existingHandle,
ContextController originator,
ContextControllerState controllerState,
int exportedCPOrPathId,
ContextInternalFilterAddendum filterAddendum,
AgentInstanceSelector agentInstanceSelector,
byte[] payload,
bool isRecoveringResilient)
{
var nestedHandle = (ContextManagerNestedInstanceHandle)existingHandle;
// detect non-leaf
var nestingLevel = originator.Factory.FactoryContext.NestingLevel; // starts at 1 for root
if (nestingLevel < _nestedContextFactories.Length)
{
nestedHandle.Controller.ImportContextPartitions(
controllerState, exportedCPOrPathId, filterAddendum, agentInstanceSelector);
return;
}
var entry = _subcontexts.Get(originator);
if (entry == null)
{
return;
}
foreach (var cpEntry in entry.AgentInstances.ToArray())
{
if (cpEntry.Value.State == ContextPartitionState.STOPPED)
{
cpEntry.Value.State = ContextPartitionState.STARTED;
entry.AgentInstances.Clear();
foreach (var statement in _statements)
{
var instance = StartStatement(
existingHandle.ContextPartitionOrPathId, statement.Value, originator,
cpEntry.Value.InitPartitionKey, entry.InitContextProperties, false);
cpEntry.Value.AgentInstances.Add(instance);
}
var key = new ContextStatePathKey(
_nestedContextFactories.Length, originator.PathId, existingHandle.SubPathId);
var value = new ContextStatePathValue(
existingHandle.ContextPartitionOrPathId, payload, ContextPartitionState.STARTED);
originator.Factory.FactoryContext.StateCache.UpdateContextPath(_contextName, key, value);
}
else
{
IList <AgentInstance> removed = new List <AgentInstance>(2);
IList <AgentInstance> added = new List <AgentInstance>(2);
var current = cpEntry.Value.AgentInstances;
foreach (var agentInstance in current)
{
if (!agentInstanceSelector.Select(agentInstance))
{
continue;
}
// remove
StatementAgentInstanceUtil.StopAgentInstanceRemoveResources(
agentInstance, null, _servicesContext, false, false);
removed.Add(agentInstance);
// start
var statementDesc = _statements.Get(agentInstance.AgentInstanceContext.StatementId);
var instance = StartStatement(
cpEntry.Key, statementDesc, originator, cpEntry.Value.InitPartitionKey,
entry.InitContextProperties, false);
added.Add(instance);
if (controllerState.PartitionImportCallback != null)
{
controllerState.PartitionImportCallback.Existing(
existingHandle.ContextPartitionOrPathId, exportedCPOrPathId);
}
}
current.RemoveAll(removed);
current.AddAll(added);
}
}
}