BUG-509: create data tree SPI package

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / md / sal / dom / store / impl / tree / spi / AbstractTreeNode.java

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/spi/AbstractTreeNode.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/spi/AbstractTreeNode.java
new file mode 100644 (file)
index 0000000..1cf28a3
--- /dev/null
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/spi/AbstractTreeNode.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014 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.controller.md.sal.dom.store.impl.tree.spi;
+
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedLong;
+
+/*
+ * A very basic data tree node.
+ */
+abstract class AbstractTreeNode implements TreeNode {
+    private final NormalizedNode<?, ?> data;
+    private final UnsignedLong version;
+
+    protected AbstractTreeNode(final NormalizedNode<?, ?> data, final UnsignedLong version) {
+        this.data = Preconditions.checkNotNull(data);
+        this.version = Preconditions.checkNotNull(version);
+    }
+
+    @Override
+    public PathArgument getIdentifier() {
+        return data.getIdentifier();
+    }
+
+    @Override
+    public final UnsignedLong getVersion() {
+        return version;
+    }
+
+    @Override
+    public final NormalizedNode<?, ?> getData() {
+        return data;
+    }
+}