Race condition fix caused deadlock, allow parallel recomputation

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / module / LazyModule.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/module/LazyModule.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/module/LazyModule.java
index 00871dcdf377aebd7b1d77051d70182033906841..41aff8d3122813cf153cdd43e36e5dea197ccd36 100644 (file)
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/module/LazyModule.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/module/LazyModule.java
@@ -2,10 +2,13 @@ package org.simantics.scl.compiler.module;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
 
+import org.simantics.scl.compiler.constants.Constant;
+import org.simantics.scl.compiler.elaboration.chr.CHRRuleset;
 import org.simantics.scl.compiler.elaboration.modules.Documentation;
 import org.simantics.scl.compiler.elaboration.modules.SCLValue;
-import org.simantics.scl.compiler.elaboration.modules.TypeAlias;
 import org.simantics.scl.compiler.elaboration.modules.TypeClass;
 import org.simantics.scl.compiler.elaboration.modules.TypeClassInstance;
 import org.simantics.scl.compiler.elaboration.modules.TypeDescriptor;
@@ -13,6 +16,7 @@ import org.simantics.scl.compiler.elaboration.relations.SCLEntityType;
 import org.simantics.scl.compiler.elaboration.relations.SCLRelation;
 import org.simantics.scl.compiler.elaboration.rules.MappingRelation;
 import org.simantics.scl.compiler.elaboration.rules.TransformationRule;
+import org.simantics.scl.compiler.errors.CompilationError;
 import org.simantics.scl.compiler.internal.codegen.effects.EffectConstructor;
 import org.simantics.scl.compiler.top.ModuleInitializer;
 import org.simantics.scl.compiler.types.TCon;
@@ -22,10 +26,10 @@ import gnu.trove.map.hash.THashMap;
 
 public abstract class LazyModule implements Module {
 
-    String moduleName;
-    private THashMap<String, SCLValue> values = new THashMap<String, SCLValue>();
-    private THashMap<String, SCLRelation> relations = new THashMap<String, SCLRelation>();
-    private THashMap<String, SCLEntityType> entityTypes = new THashMap<String, SCLEntityType>();
+    private final String moduleName;
+    private final ConcurrentHashMap<String, SCLValue> values = new ConcurrentHashMap<String, SCLValue>();
+    private final ConcurrentHashMap<String, SCLRelation> relations = new ConcurrentHashMap<String, SCLRelation>();
+    private final ConcurrentHashMap<String, SCLEntityType> entityTypes = new ConcurrentHashMap<String, SCLEntityType>();
     
     protected abstract SCLValue createValue(String name);
     
@@ -70,6 +74,11 @@ public abstract class LazyModule implements Module {
         }
     }
     
+    @Override
+    public List<Constant> getFieldAccessors(String name) {
+        return null;
+    }
+    
     public SCLRelation getRelation(String name) {
         if(relations.containsKey(name))
             return relations.get(name);
@@ -134,4 +143,19 @@ public abstract class LazyModule implements Module {
     public THashMap<String, BranchPoint[]> getBranchPoints() {
         return null;
     }
+    
+    @Override
+    public CompilationError[] getWarnings() {
+        return CompilationError.EMPTY_ARRAY;
+    }
+    
+    @Override
+    public CHRRuleset getRuleset(String name) {
+        return null;
+    }
+    
+    @Override
+    public String getDeprecation() {
+        return null;
+    }
 }