3 files changed, 14 insertions, 0 deletions
diff --git a/src/server/BlockImpl.hpp b/src/server/BlockImpl.hpp
index 701e2188..a1ca11b7 100644
--- a/src/server/BlockImpl.hpp
+++ b/src/server/BlockImpl.hpp
@@ -182,6 +182,8 @@ public:
 	uint32_t         num_ports() const { return _ports ? _ports->size() : 0; }
 	virtual uint32_t polyphony() const { return _polyphony; }
 
+	virtual LilvInstance* instance() { return nullptr; }
+
 	/** Mark used during graph compilation */
 	enum class Mark { UNVISITED, VISITING, VISITED };
 	Mark get_mark() const { return _mark; }
diff --git a/src/server/Engine.cpp b/src/server/Engine.cpp
index 5f5c53d0..e2fb08af 100644
--- a/src/server/Engine.cpp
+++ b/src/server/Engine.cpp
@@ -399,6 +399,17 @@ Engine::init(double sample_rate, uint32_t block_length, size_t seq_size)
 	set_driver(SPtr<Driver>(new DirectDriver(*this, sample_rate, block_length, seq_size)));
 }
 
+LilvInstance*
+Engine::block_instance(Node* node)
+{
+	BlockImpl* const block = dynamic_cast<BlockImpl*>(node);
+	if (!block) {
+		return nullptr;
+	}
+
+	return block->instance();
+}
+
 bool
 Engine::activate()
 {
diff --git a/src/server/Engine.hpp b/src/server/Engine.hpp
index ab69586c..f735aedd 100644
--- a/src/server/Engine.hpp
+++ b/src/server/Engine.hpp
@@ -77,6 +77,7 @@ public:
 
 	// EngineBase methods
 	virtual void init(double sample_rate, uint32_t block_length, size_t seq_size);
+	virtual LilvInstance* block_instance(Node* node);
 	virtual bool activate();
 	virtual void deactivate();
 	virtual bool pending_events();