1 files changed, 33 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/IRewriterTraceCollector.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/IRewriterTraceCollector.java
new file mode 100644
index 00000000..70771ea7
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/IRewriterTraceCollector.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2017, Grill Balázs, IncQueryLabs
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package tools.refinery.viatra.runtime.matchers.psystem.rewriters;
+
+import tools.refinery.viatra.runtime.matchers.psystem.PTraceable;
+
+/**
+ * This is the internal API of {@link IPTraceableTraceProvider} expected to be used by
+ * copier and rewriter implementations.
+ * 
+ * @since 1.6
+ * @noreference This interface is not intended to be referenced by clients.
+ */
+public interface IRewriterTraceCollector extends IPTraceableTraceProvider {
+
+    /**
+     * Mark the given derivative to be originated from the given original constraint.
+     */
+    public void addTrace(PTraceable origin, PTraceable derivative);
+    
+    /**
+     * Indicate that the given derivative is removed from the resulting query, thus its trace
+     * information should be removed also.
+     */
+    public void derivativeRemoved(PTraceable derivative, IDerivativeModificationReason reason);
+    
+}