private bool resolveDep( OperationState dependentState, OperationState potentialDependency, bool satisfyDependency )
{
if( potentialDependency.Operation == operation && potentialDependency.State == operationState )
{
//we are a match. Next we want to ensure that any given dependency is only associated to one other operation state
//of a given operation, that is to say an operation can be a dependent to more than one KIND of operation, but only
//fulfill a dependency ONCE for a specific operation.
//first assume we have a valid slot.
bool hasValidSlot = true;
//loop through all the prexisting dependents of this potential dependency to make sure there is a valid slot.
foreach( OperationState stateSlot in potentialDependency.DependentStates )
{
//if this dependent's operation equals our target op, and the state slot is NOT the target opstate, this dependency
//has already been consumed by a different dependent of the same operation.
if( stateSlot.Operation == dependentState.Operation && stateSlot.Id != dependentState.Id )
{
log.Debug("DEPEDENDANT SLOT CONSUMED ", stateSlot.Operation.Name );
hasValidSlot = false;
return false;
}
}
if( hasValidSlot )
{
log.Debug("DEPENDENCY ", operation.Name, " RESOLVED FOR ", dependentState.Id, " BY ", potentialDependency.Id );
//we have found a valid operationstate to satisfy this dependency.
if( satisfyDependency )
{
potentialDependency.DependentStates.Add( dependentState );
potentialDependency.SaveRelations("DependentStates");
}
return true;
}
}
return false;
}