Proxy MD-SAL interfaces in DOMMountPointServiceImpl

[controller.git] / opendaylight / md-sal / sal-dom-compat / src / main / java / org / opendaylight / controller / sal / core / compat / DOMDataTreeChangeServiceAdapter.java

diff --git a/opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/DOMDataTreeChangeServiceAdapter.java b/opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/DOMDataTreeChangeServiceAdapter.java
new file mode 100644 (file)
index 0000000..aa2011b
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+++ b/opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/DOMDataTreeChangeServiceAdapter.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2018 Pantheon Technologies, 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.controller.sal.core.compat;
+
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.collect.ForwardingObject;
+import org.opendaylight.controller.md.sal.dom.api.ClusteredDOMDataTreeChangeListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+
+@Deprecated
+public class DOMDataTreeChangeServiceAdapter extends ForwardingObject
+        implements org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService {
+
+    private final DOMDataTreeChangeService delegate;
+
+    DOMDataTreeChangeServiceAdapter(final DOMDataTreeChangeService delegate) {
+        this.delegate = requireNonNull(delegate);
+    }
+
+    @Override
+    public <L extends org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener> ListenerRegistration<L>
+            registerDataTreeChangeListener(final org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier treeId,
+                    final L listener) {
+        final DOMDataTreeChangeListener delegateListener;
+        if (listener instanceof org.opendaylight.mdsal.dom.api.ClusteredDOMDataTreeChangeListener) {
+            delegateListener = (ClusteredDOMDataTreeChangeListener) listener::onDataTreeChanged;
+        } else {
+            delegateListener = listener::onDataTreeChanged;
+        }
+        final ListenerRegistration<?> reg = delegate().registerDataTreeChangeListener(
+            DOMDataTreeIdentifier.fromMdsal(treeId), delegateListener);
+
+        return new AbstractListenerRegistration<L>(listener) {
+            @Override
+            protected void removeRegistration() {
+                reg.close();
+            }
+        };
+    }
+
+    @Override
+    protected DOMDataTreeChangeService delegate() {
+        return delegate;
+    }
+}