From 1f7b0edd896d1a274f1cd7d545d4360993c26c7c Mon Sep 17 00:00:00 2001
From: Reino Ruusu <reino.ruusu@semantum.fi>
Date: Tue, 25 Feb 2020 16:09:27 +0200
Subject: [PATCH] Block parallel execution of position updates and validation.

gitlab #92

Change-Id: I591afd4ee115a322e4edd6ad87aa3da89c453f9a
---
 .../scenegraph/controlpoint/PipingRules.java  | 93 ++++++++++---------
 1 file changed, 48 insertions(+), 45 deletions(-)

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipingRules.java b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipingRules.java
index b2376341..8864ffd8 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipingRules.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipingRules.java
@@ -68,11 +68,12 @@ public class PipingRules {
 	    if (!PipingRules.enabled)
 	        return false;
 	    
-		if (requestUpdates.size() == 0)
-			return false;
-		
-		List<PipeControlPoint> temp = new ArrayList<PipeControlPoint>(requestUpdates.size());
-		synchronized(updateMutex) {
+	    List<PipeControlPoint> temp;
+	    synchronized(updateMutex) {
+			if (requestUpdates.size() == 0)
+				return false;
+			
+			temp = new ArrayList<PipeControlPoint>(requestUpdates.size());
 			temp.addAll(requestUpdates);
 			requestUpdates.clear();
 		}
@@ -2075,50 +2076,52 @@ public class PipingRules {
 	public static void validate(PipeRun pipeRun) {
 		if (pipeRun == null)
 			return;
-		Collection<PipeControlPoint> pcps = pipeRun.getControlPoints();
-		int count = 0;
-		//System.out.println("Validate " + pipeRun.getName());
-		for (PipeControlPoint pcp : pcps) {
-			if (pcp.getParentPoint() == null || pcp.getParentPoint().getPipeRun() != pipeRun)
-				count++;
-		}
-		List<PipeControlPoint> runPcps = getControlPoints(pipeRun);
-		if (runPcps.size() != count) {
-			System.out.println("Run " + pipeRun.getName() + " contains unconnected control points, found " + runPcps.size() + " connected, " + pcps.size() + " total.");
+		synchronized (ruleMutex) {
+			Collection<PipeControlPoint> pcps = pipeRun.getControlPoints();
+			int count = 0;
+			//System.out.println("Validate " + pipeRun.getName());
 			for (PipeControlPoint pcp : pcps) {
-			    if (!runPcps.contains(pcp)) {
-			        System.out.println("Unconnected " + pcp + " " + pcp.getPipelineComponent());
-			    }
+				if (pcp.getParentPoint() == null || pcp.getParentPoint().getPipeRun() != pipeRun)
+					count++;
 			}
-		}
-		for (PipeControlPoint pcp : pcps) {
-		    if (pcp.getPipeRun() == null) {
-		        System.out.println("PipeRun ref missing " + pcp + " " + pcp.getPipelineComponent());
-		    }
-			if (!pcp.isDirected() && pcp.getNext() == null && pcp.getPrevious() == null)
-				System.out.println("Orphan undirected " + pcp + " " + pcp.getPipelineComponent());
-		}
-		for (PipeControlPoint pcp : pcps) {
-			if (pcp.getParentPoint() == null) {
-				PipeControlPoint sub = null;
-				if (pcp.isDualInline())
-					sub = pcp.getDualSub();
-				PipeControlPoint next = pcp.getNext();
-				PipeControlPoint prev = pcp.getPrevious();
-				if (next != null) {
-					if (!(next.getPrevious() == pcp || next.getPrevious() == sub)) {
-						System.out.println("Inconsistency between " + pcp + " -> " +next );
-					}
+			List<PipeControlPoint> runPcps = getControlPoints(pipeRun);
+			if (runPcps.size() != count) {
+				System.out.println("Run " + pipeRun.getName() + " contains unconnected control points, found " + runPcps.size() + " connected, " + pcps.size() + " total.");
+				for (PipeControlPoint pcp : pcps) {
+				    if (!runPcps.contains(pcp)) {
+				        System.out.println("Unconnected " + pcp + " " + pcp.getPipelineComponent());
+				    }
 				}
-				if (prev != null) {
-					PipeControlPoint prevParent = null;
-					if (prev.isDualSub()) {
-						prevParent = prev.getParentPoint();
-					} else if (prev.isDualInline()) {
-						System.out.println("Inconsistency between " + pcp + " <-- " +prev );
+			}
+			for (PipeControlPoint pcp : pcps) {
+			    if (pcp.getPipeRun() == null) {
+			        System.out.println("PipeRun ref missing " + pcp + " " + pcp.getPipelineComponent());
+			    }
+				if (!pcp.isDirected() && pcp.getNext() == null && pcp.getPrevious() == null)
+					System.out.println("Orphan undirected " + pcp + " " + pcp.getPipelineComponent());
+			}
+			for (PipeControlPoint pcp : pcps) {
+				if (pcp.getParentPoint() == null) {
+					PipeControlPoint sub = null;
+					if (pcp.isDualInline())
+						sub = pcp.getDualSub();
+					PipeControlPoint next = pcp.getNext();
+					PipeControlPoint prev = pcp.getPrevious();
+					if (next != null) {
+						if (!(next.getPrevious() == pcp || next.getPrevious() == sub)) {
+							System.out.println("Inconsistency between " + pcp + " -> " +next );
+						}
 					}
-					if (!(prev.getNext() == pcp && (prevParent == null || prevParent.getNext() == pcp))) {
-						System.out.println("Inconsistency between " + pcp + " <-- " +prev );
+					if (prev != null) {
+						PipeControlPoint prevParent = null;
+						if (prev.isDualSub()) {
+							prevParent = prev.getParentPoint();
+						} else if (prev.isDualInline()) {
+							System.out.println("Inconsistency between " + pcp + " <-- " +prev );
+						}
+						if (!(prev.getNext() == pcp && (prevParent == null || prevParent.getNext() == pcp))) {
+							System.out.println("Inconsistency between " + pcp + " <-- " +prev );
+						}
 					}
 				}
 			}
-- 
2.47.1