Exemple #1
0
void Dispatcher::batchTasksWalk( Dispatcher::TaskBatchPtr parent, const ExecutableNode::Task &task, BatchMap &currentBatches, TaskToBatchMap &tasksToBatches, std::set<const TaskBatch *> &ancestors )
{
	TaskBatchPtr batch = acquireBatch( task, currentBatches, tasksToBatches );

	TaskBatches &parentRequirements = parent->requirements();
	if ( std::find( parentRequirements.begin(), parentRequirements.end(), batch ) == parentRequirements.end() )
	{
		if ( ancestors.find( batch.get() ) != ancestors.end() )
		{
			throw IECore::Exception( ( boost::format( "Dispatched nodes cannot have cyclic dependencies. %s and %s are involved in a cycle." ) % batch->node()->relativeName( batch->node()->scriptNode() ) % parent->node()->relativeName( parent->node()->scriptNode() ) ).str() );
		}

		parentRequirements.push_back( batch );
	}

	ExecutableNode::Tasks taskRequirements;
	task.node()->requirements( task.context(), taskRequirements );

	ancestors.insert( parent.get() );

	for ( ExecutableNode::Tasks::const_iterator it = taskRequirements.begin(); it != taskRequirements.end(); ++it )
	{
		batchTasksWalk( batch, *it, currentBatches, tasksToBatches, ancestors );
	}

	ancestors.erase( parent.get() );
}
Exemple #2
0
Dispatcher::TaskBatchPtr Dispatcher::batchTasks( const ExecutableNode::Tasks &tasks )
{
	TaskBatchPtr root = new TaskBatch;

	BatchMap currentBatches;
	TaskToBatchMap tasksToBatches;

	for ( ExecutableNode::Tasks::const_iterator it = tasks.begin(); it != tasks.end(); ++it )
	{
		batchTasksWalk( root, *it, currentBatches, tasksToBatches );
	}

	return root;
}
Exemple #3
0
void Dispatcher::batchTasksWalk( Dispatcher::TaskBatchPtr parent, const ExecutableNode::Task &task, BatchMap &currentBatches, TaskToBatchMap &tasksToBatches )
{
	TaskBatchPtr batch = acquireBatch( task, currentBatches, tasksToBatches );

	TaskBatches &parentRequirements = parent->requirements();
	if ( ( batch != parent ) && std::find( parentRequirements.begin(), parentRequirements.end(), batch ) == parentRequirements.end() )
	{
		parentRequirements.push_back( batch );
	}

	ExecutableNode::Tasks taskRequirements;
	task.node()->requirements( task.context(), taskRequirements );

	for ( ExecutableNode::Tasks::const_iterator it = taskRequirements.begin(); it != taskRequirements.end(); ++it )
	{
		batchTasksWalk( batch, *it, currentBatches, tasksToBatches );
	}
}