Implement equals/hashCode for PropertyInfo

Take immutability into account.

gitlab #442

Change-Id: I0c2fe55c691537e91af6449ec544a4eec824092f

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PropertyInfo.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PropertyInfo.java
index 6ecfb8eadf126834b958fefe5f2b850ea05d3ee3..0baa5046293de0c7805a05e10b990e9ceba03313 100644 (file)
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PropertyInfo.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PropertyInfo.java
@@ -30,6 +30,7 @@ import org.simantics.utils.datastructures.Pair;
 public class PropertyInfo {
     public final Resource predicate;
     public final String name;
+    public final boolean isImmutable;
     public final boolean isHasProperty;
     public final boolean isFunctional;
     public final Set<String> classifications;
@@ -42,9 +43,10 @@ public class PropertyInfo {
     public final Map<String,Pair<Resource, ChildReference>> subliteralPredicates;
     public final ValueAccessor valueAccessor;
     public final boolean hasEnumerationRange;
-    public PropertyInfo(Resource predicate, String name, boolean isFunctional, boolean isHasProperty, Set<String> classifications, VariableBuilder builder, Resource literalRange, Datatype requiredDatatype, String definedUnit, String requiredValueType, Binding defaultBinding, Map<String,Pair<Resource, ChildReference>> subliteralPredicates, ValueAccessor valueAccessor, boolean hasEnumerationRange) {
+    public PropertyInfo(Resource predicate, String name, boolean isImmutable, boolean isFunctional, boolean isHasProperty, Set<String> classifications, VariableBuilder builder, Resource literalRange, Datatype requiredDatatype, String definedUnit, String requiredValueType, Binding defaultBinding, Map<String,Pair<Resource, ChildReference>> subliteralPredicates, ValueAccessor valueAccessor, boolean hasEnumerationRange) {
         this.predicate = predicate;
         this.name = name;
+        this.isImmutable = isImmutable;
         this.isFunctional = isFunctional;
         this.isHasProperty = isHasProperty;
         this.classifications = classifications;
@@ -59,7 +61,6 @@ public class PropertyInfo {
         this.hasEnumerationRange = hasEnumerationRange;
     }
     public static PropertyInfo make(ReadGraph graph, Resource predicate, String name, boolean isFunctional, boolean isHasProperty, Set<String> classifications, VariableBuilder builder, Resource literalRange, Datatype requiredDatatype, String definedUnit, String requiredValueType, Map<String,Pair<Resource, ChildReference>> subliteralPredicates, ValueAccessor valueAccessor, boolean hasEnumerationRange) throws DatabaseException {
-
         Layer0 L0 = Layer0.getInstance(graph);
         if(literalRange != null) {
             Collection<Resource> dts = graph.getAssertedObjects(literalRange, L0.HasDataType);
@@ -68,11 +69,8 @@ public class PropertyInfo {
                 if(requiredDatatype == null) requiredDatatype = dt;
             }
         }
-        
         Binding defaultBinding = requiredDatatype != null ? Bindings.getBinding(requiredDatatype) : null;
-        
-        return new PropertyInfo(predicate, name, isFunctional, isHasProperty, classifications, builder, literalRange, requiredDatatype, definedUnit, requiredValueType, defaultBinding, subliteralPredicates, valueAccessor, hasEnumerationRange);
-
+        return new PropertyInfo(predicate, name, graph.isImmutable(predicate), isFunctional, isHasProperty, classifications, builder, literalRange, requiredDatatype, definedUnit, requiredValueType, defaultBinding, subliteralPredicates, valueAccessor, hasEnumerationRange);
     }
     public boolean hasClassification(String classification) {
         return classifications.contains(classification);
@@ -107,20 +105,22 @@ public class PropertyInfo {
     public int hashCode() {
         final int prime = 31;
         int result = 1;
-        result = prime * result + ((builder == null) ? 0 : builder.hashCode());
-        result = prime * result + ((classifications == null) ? 0 : classifications.hashCode());
-        result = prime * result + ((defaultBinding == null) ? 0 : defaultBinding.hashCode());
-        result = prime * result + ((definedUnit == null) ? 0 : definedUnit.hashCode());
-        result = prime * result + (hasEnumerationRange ? 1231 : 1237);
-        result = prime * result + (isFunctional ? 1231 : 1237);
-        result = prime * result + (isHasProperty ? 1231 : 1237);
-        result = prime * result + ((literalRange == null) ? 0 : literalRange.hashCode());
-        result = prime * result + ((name == null) ? 0 : name.hashCode());
         result = prime * result + ((predicate == null) ? 0 : predicate.hashCode());
-        result = prime * result + ((requiredDatatype == null) ? 0 : requiredDatatype.hashCode());
-        result = prime * result + ((requiredValueType == null) ? 0 : requiredValueType.hashCode());
-        result = prime * result + ((subliteralPredicates == null) ? 0 : subliteralPredicates.hashCode());
-        result = prime * result + ((valueAccessor == null) ? 0 : valueAccessor.hashCode());
+        if (!isImmutable) {
+            result = prime * result + ((builder == null) ? 0 : builder.hashCode());
+            result = prime * result + ((classifications == null) ? 0 : classifications.hashCode());
+            result = prime * result + ((defaultBinding == null) ? 0 : defaultBinding.hashCode());
+            result = prime * result + ((definedUnit == null) ? 0 : definedUnit.hashCode());
+            result = prime * result + (hasEnumerationRange ? 1231 : 1237);
+            result = prime * result + (isFunctional ? 1231 : 1237);
+            result = prime * result + (isHasProperty ? 1231 : 1237);
+            result = prime * result + ((literalRange == null) ? 0 : literalRange.hashCode());
+            result = prime * result + ((name == null) ? 0 : name.hashCode());
+            result = prime * result + ((requiredDatatype == null) ? 0 : requiredDatatype.hashCode());
+            result = prime * result + ((requiredValueType == null) ? 0 : requiredValueType.hashCode());
+            result = prime * result + ((subliteralPredicates == null) ? 0 : subliteralPredicates.hashCode());
+            result = prime * result + ((valueAccessor == null) ? 0 : valueAccessor.hashCode());
+        }
         return result;
     }
     @Override
@@ -132,6 +132,13 @@ public class PropertyInfo {
         if (getClass() != obj.getClass())
             return false;
         PropertyInfo other = (PropertyInfo) obj;
+        if (predicate == null) {
+            if (other.predicate != null)
+                return false;
+        } else if (!predicate.equals(other.predicate))
+            return false;
+        if(isImmutable)
+            return true;
         if (builder == null) {
             if (other.builder != null)
                 return false;
@@ -168,11 +175,6 @@ public class PropertyInfo {
                 return false;
         } else if (!name.equals(other.name))
             return false;
-        if (predicate == null) {
-            if (other.predicate != null)
-                return false;
-        } else if (!predicate.equals(other.predicate))
-            return false;
         if (requiredDatatype == null) {
             if (other.requiredDatatype != null)
                 return false;

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphPropertyVariable.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphPropertyVariable.java
index 7927614cd37f9779292ee4ace98e5fd4ba7f00f0..b7eaf075edea1c1e051981662954629f70673cf1 100644 (file)
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphPropertyVariable.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphPropertyVariable.java
@@ -35,12 +35,13 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class StandardGraphPropertyVariable extends AbstractPropertyVariable {
+
     private static final Logger LOGGER = LoggerFactory.getLogger(StandardGraphPropertyVariable.class);
-    
-       protected static final PropertyInfo NO_PROPERTY = new PropertyInfo(null, null,
-                       false, false, Collections.<String> emptySet(), null, null, null, null, null, null,
-                       Collections.<String, Pair<Resource, ChildReference>> emptyMap(),
-                       null, false);
+
+    protected static final PropertyInfo NO_PROPERTY = new PropertyInfo(null, null, true,
+            false, false, Collections.<String> emptySet(), null, null, null, null, null, null,
+            Collections.<String, Pair<Resource, ChildReference>> emptyMap(),
+            null, false);
 
        final public Variable parent;
        final public Resource parentResource;
@@ -170,13 +171,10 @@ public class StandardGraphPropertyVariable extends AbstractPropertyVariable {
                if(represents == null)
                        throw new InvalidVariableException("Variable is not represented by any resource (URI=" + getPossibleURI(graph) + ").");
                return represents;
-//             return graph.getSingleObject(parentResource, property.predicate);
        }
 
        @Override
        public Resource getPossibleRepresents(ReadGraph graph) throws DatabaseException {
-//        if(parentResource == null) return null;
-//             return graph.getPossibleObject(parentResource, property.predicate);
                return represents;
        }
 
@@ -226,16 +224,6 @@ public class StandardGraphPropertyVariable extends AbstractPropertyVariable {
 
        @Override
        public Datatype getDatatype(ReadGraph graph) throws DatabaseException {
-//<<<<<<< .mine
-//             
-//     Binding binding = getPossibleDefaultBinding(graph);
-//        if(binding != null) return binding.type();
-//
-//             Variant vt = getVariantValue(graph);
-//             binding = vt.getBinding();
-//             if(binding == null) throw new DatabaseException("No binding in Variant with value " + vt.getValue());
-//             return binding.type();
-//=======
                Datatype type;
                try {                   
                        type = getValueAccessor(graph).getDatatype(graph, this);
@@ -252,7 +240,6 @@ public class StandardGraphPropertyVariable extends AbstractPropertyVariable {
                }
                
                return type;
-//>>>>>>> .r30794
                
        }