Add forwarding transactions to binding v2

[mdsal.git] / binding2 / mdsal-binding2-spi / src / main / java / org / opendaylight / mdsal / binding / javav2 / spi / ForwardingReadTransaction.java

diff --git a/binding2/mdsal-binding2-spi/src/main/java/org/opendaylight/mdsal/binding/javav2/spi/ForwardingReadTransaction.java b/binding2/mdsal-binding2-spi/src/main/java/org/opendaylight/mdsal/binding/javav2/spi/ForwardingReadTransaction.java
new file mode 100644 (file)
index 0000000..7c17bb8
--- /dev/null
+++ b/binding2/mdsal-binding2-spi/src/main/java/org/opendaylight/mdsal/binding/javav2/spi/ForwardingReadTransaction.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2017, 2018 Red Hat, Inc. and others.
+ *
+ * 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.javav2.spi;
+
+import com.google.common.collect.ForwardingObject;
+import java.util.function.BiConsumer;
+import org.opendaylight.mdsal.binding.javav2.api.ReadTransaction;
+import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.ReadFailedException;
+
+/**
+ * Utility {@link ReadTransaction} implementation which forwards all interface method
+ * invocation to a delegate instance.
+ */
+public class ForwardingReadTransaction extends ForwardingObject implements ReadTransaction {
+
+    private final ReadTransaction delegate;
+
+    protected ForwardingReadTransaction(ReadTransaction delegate) {
+        this.delegate = delegate;
+    }
+
+    @Override
+    protected ReadTransaction delegate() {
+        return delegate;
+    }
+
+    @Override
+    public <T extends TreeNode> void read(LogicalDatastoreType store,
+            org.opendaylight.mdsal.binding.javav2.spec.base.InstanceIdentifier<T> path,
+            BiConsumer<ReadFailedException, T> callback) {
+        delegate.read(store, path, callback);
+    }
+
+    @Override
+    public Object getIdentifier() {
+        return delegate.getIdentifier();
+    }
+
+    @Override
+    public void close() {
+        delegate.close();
+    }
+}