Populate data/ hierarchy

[yangtools.git] / data / yang-data-api / src / main / java / org / opendaylight / yangtools / yang / data / api / schema / ValueNode.java

diff --git a/data/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/ValueNode.java b/data/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/ValueNode.java
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+++ b/data/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/ValueNode.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. 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.yangtools.yang.data.api.schema;
+
+/**
+ * Interface holding the common trait of {@link LeafSetEntryNode} and {@link LeafNode}, which both hold a value.
+ *
+ * @param <V> Value of node, which needs to be a well-published simple value type.
+ */
+public interface ValueNode<V> extends NormalizedNode {
+    /**
+     * {@inheritDoc}
+     *
+     * <p>
+     * <b>Implementation note</b>
+     * Invocation of {@code body()} must provide the same value as value in {@link #getIdentifier()}.
+     * {@code true == this.getIdentifier().getValue().equals(this.body())}.
+     */
+    @Override
+    V body();
+}