Rework BindingRuntimeTypes

[mdsal.git] / binding / mdsal-binding-generator / src / main / java / org / opendaylight / mdsal / binding / generator / impl / reactor / ChoiceGenerator.java

diff --git a/binding/mdsal-binding-generator/src/main/java/org/opendaylight/mdsal/binding/generator/impl/reactor/ChoiceGenerator.java b/binding/mdsal-binding-generator/src/main/java/org/opendaylight/mdsal/binding/generator/impl/reactor/ChoiceGenerator.java
index c45a09985725ff61e8ca9da4f20ac7adc09e4e44..1a6ac7fe5bc4146853c54ec5b0d8bebdf0e0b55f 100644 (file)
--- a/binding/mdsal-binding-generator/src/main/java/org/opendaylight/mdsal/binding/generator/impl/reactor/ChoiceGenerator.java
+++ b/binding/mdsal-binding-generator/src/main/java/org/opendaylight/mdsal/binding/generator/impl/reactor/ChoiceGenerator.java
@@ -7,18 +7,27 @@
  */
 package org.opendaylight.mdsal.binding.generator.impl.reactor;
 
+import com.google.common.collect.Iterables;
+import java.util.ArrayList;
+import java.util.List;
+import org.opendaylight.mdsal.binding.generator.impl.rt.DerivedChoiceRuntimeType;
+import org.opendaylight.mdsal.binding.generator.impl.rt.OriginalChoiceRuntimeType;
 import org.opendaylight.mdsal.binding.model.api.GeneratedType;
 import org.opendaylight.mdsal.binding.model.api.Type;
 import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedTypeBuilder;
 import org.opendaylight.mdsal.binding.model.ri.BindingTypes;
+import org.opendaylight.mdsal.binding.runtime.api.AugmentRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.CaseRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.ChoiceRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.RuntimeType;
 import org.opendaylight.yangtools.yang.model.api.stmt.ChoiceEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
 
 /**
  * Generator corresponding to a {@code choice} statement.
  */
-final class ChoiceGenerator extends CompositeSchemaTreeGenerator<ChoiceEffectiveStatement, ChoiceGenerator> {
-    ChoiceGenerator(final ChoiceEffectiveStatement statement, final AbstractCompositeGenerator<?> parent) {
+final class ChoiceGenerator extends CompositeSchemaTreeGenerator<ChoiceEffectiveStatement, ChoiceRuntimeType> {
+    ChoiceGenerator(final ChoiceEffectiveStatement statement, final AbstractCompositeGenerator<?, ?> parent) {
         super(statement, parent);
     }
 
@@ -42,4 +51,40 @@ final class ChoiceGenerator extends CompositeSchemaTreeGenerator<ChoiceEffective
 
         return builder.build();
     }
+
+    @Override
+    ChoiceRuntimeType createRuntimeType(final GeneratedType type, final ChoiceEffectiveStatement statement,
+            final List<RuntimeType> children, final List<AugmentRuntimeType> augments) {
+        final var original = getOriginal();
+        if (!statement.equals(original.statement())) {
+            return new DerivedChoiceRuntimeType(type, statement, children, augments,
+                original.runtimeType().orElseThrow());
+        }
+
+        // Pick up any case statements added by augments which are not reflected in our children. This can happen when
+        // a choice is added via uses into two different places and then augmented. Since groupings are reused, validity
+        // of such use is not guarded by compile-time checks.
+        //
+        // Furthermore such case statements can be freely propagated via copy builders and thus can occur in unexpected
+        // places. If that happens, though, the two case statements can be equivalent, e.g. by having the exact same
+        // shape -- in which case Binding -> DOM translation needs to correct this mishap and play pretend the correct
+        // case was used.
+        final var augmentedCases = new ArrayList<CaseRuntimeType>();
+        for (var augment : original.augments()) {
+            for (var gen : augment) {
+                if (gen instanceof CaseGenerator) {
+                    ((CaseGenerator) gen).runtimeType().ifPresent(augmented -> {
+                        for (var child : Iterables.concat(children, augmentedCases)) {
+                            if (child instanceof CaseRuntimeType && child.javaType().equals(augmented.javaType())) {
+                                return;
+                            }
+                        }
+                        augmentedCases.add(augmented);
+                    });
+                }
+            }
+        }
+
+        return new OriginalChoiceRuntimeType(type, statement, children, augments, augmentedCases);
+    }
 }