Add CodecDataObjectAnalysis

[mdsal.git] / binding / mdsal-binding-dom-codec / src / main / java / org / opendaylight / mdsal / binding / dom / codec / impl / CodecItemFactory.java

diff --git a/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CodecItemFactory.java b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CodecItemFactory.java
new file mode 100644 (file)
index 0000000..10a3248
--- /dev/null
+++ b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CodecItemFactory.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.mdsal.binding.dom.codec.impl;
+
+import static java.util.Objects.requireNonNull;
+
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
+import org.opendaylight.yangtools.yang.model.api.AddedByUsesAware;
+import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+
+sealed class CodecItemFactory {
+    private static final class Case extends CodecItemFactory {
+        private final Class<?> bindingClass;
+
+        Case(final Class<?> bindingClass) {
+            this.bindingClass = requireNonNull(bindingClass);
+        }
+
+        @Override
+        @SuppressWarnings({ "rawtypes", "unchecked" })
+        Item<?> createItem(final Class<?> childClass, final EffectiveStatement<?, ?> childSchema) {
+            // FIXME: MDSAL-697: see overridden method for further guidance
+            return childSchema instanceof AddedByUsesAware aware && aware.isAddedByUses()
+                ? Item.of((Class) bindingClass, (Class) childClass) : super.createItem(childClass, childSchema);
+        }
+    }
+
+    private static final @NonNull CodecItemFactory DEFAULT = new CodecItemFactory();
+
+    private CodecItemFactory() {
+        // Hidden on purpose
+    }
+
+    // FIXME: MDSAL-697: move this method into BindingRuntimeContext
+    //        This method is only called from loadChildPrototype() and exists only to be overridden by
+    //        CaseNodeCodecContext. Since we are providing childClass and our schema to BindingRuntimeContext and
+    //        receiving childSchema from it via findChildSchemaDefinition, we should be able to receive the equivalent
+    //        of Map.Entry<Item, DataSchemaNode>, along with the override we create here. One more input we may need to
+    //        provide is our bindingClass().
+    @SuppressWarnings("unchecked")
+    Item<?> createItem(final Class<?> childClass, final EffectiveStatement<?, ?> childSchema) {
+        return Item.of((Class<? extends DataObject>) childClass);
+    }
+
+    static @NonNull CodecItemFactory of() {
+        return DEFAULT;
+    }
+
+    static @NonNull CodecItemFactory of(final Class<?> bindingClass) {
+        return new Case(bindingClass);
+    }
+}