protected internal virtual void migrateProcessElementInstance(MigratingProcessElementInstance migratingInstance, MigratingScopeInstanceBranch migratingInstanceBranch)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final MigratingScopeInstance parentMigratingInstance = migratingInstance.getParent();
MigratingScopeInstance parentMigratingInstance = migratingInstance.Parent;
ScopeImpl sourceScope = migratingInstance.SourceScope;
ScopeImpl targetScope = migratingInstance.TargetScope;
ScopeImpl targetFlowScope = targetScope.FlowScope;
ScopeImpl parentActivityInstanceTargetScope = parentMigratingInstance != null ? parentMigratingInstance.TargetScope : null;
if (sourceScope != sourceScope.ProcessDefinition && targetFlowScope != parentActivityInstanceTargetScope)
{
// create intermediate scopes
// 1. manipulate execution tree
// determine the list of ancestor scopes (parent, grandparent, etc.) for which
// no executions exist yet
IList <ScopeImpl> nonExistingScopes = collectNonExistingFlowScopes(targetFlowScope, migratingInstanceBranch);
// get the closest ancestor scope that is instantiated already
ScopeImpl existingScope = nonExistingScopes.Count == 0 ? targetFlowScope : nonExistingScopes[0].FlowScope;
// and its scope instance
MigratingScopeInstance ancestorScopeInstance = migratingInstanceBranch.getInstance(existingScope);
// Instantiate the scopes as children of the scope execution
instantiateScopes(ancestorScopeInstance, migratingInstanceBranch, nonExistingScopes);
MigratingScopeInstance targetFlowScopeInstance = migratingInstanceBranch.getInstance(targetFlowScope);
// 2. detach instance
// The order of steps 1 and 2 avoids intermediate execution tree compaction
// which in turn could overwrite some dependent instances (e.g. variables)
migratingInstance.detachState();
// 3. attach to newly created activity instance
migratingInstance.attachState(targetFlowScopeInstance);
}
// 4. update state (e.g. activity id)
migratingInstance.migrateState();
// 5. migrate instance state other than execution-tree structure
migratingInstance.migrateDependentEntities();
}
protected internal override bool canMigrate(MigratingProcessElementInstance instance)
{
return(instance is MigratingEventScopeInstance || instance is MigratingCompensationEventSubscriptionInstance);
}
protected internal override bool canMigrate(MigratingProcessElementInstance instance)
{
return(instance is MigratingActivityInstance || instance is MigratingTransitionInstance);
}
protected internal abstract bool canMigrate(MigratingProcessElementInstance instance);
public MigrationContext(MigratingProcessElementInstance processElementInstance, MigratingScopeInstanceBranch scopeInstanceBranch)
{
this.processElementInstance = processElementInstance;
this.scopeInstanceBranch = scopeInstanceBranch;
}
