Bug 2364: Migrated Binding MD-SAL to not use composites nodes

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / md / sal / binding / impl / LazySerializedDOMRpcResult.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/LazySerializedDOMRpcResult.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/LazySerializedDOMRpcResult.java
new file mode 100644 (file)
index 0000000..ab368d7
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/LazySerializedDOMRpcResult.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2015 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.binding.impl;
+
+import java.util.Collection;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.yang.binding.DataContainer;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+abstract class LazySerializedDOMRpcResult implements DOMRpcResult {
+
+    private final RpcResult<?> bindingResult;
+
+    LazySerializedDOMRpcResult(final RpcResult<?> bindingResult) {
+        this.bindingResult = bindingResult;
+    }
+
+    static final LazySerializedDOMRpcResult create(final RpcResult<?> bindingResult, final BindingNormalizedNodeCodecRegistry codec) {
+        final Object resultData = bindingResult.getResult();
+
+        if(resultData instanceof DataObject) {
+            return new DataResult(bindingResult,codec);
+
+
+        }
+        return new EmptyDataResult(bindingResult);
+    }
+
+    RpcResult<?> bidningRpcResult() {
+        return bindingResult;
+    }
+
+    @Override
+    public Collection<RpcError> getErrors() {
+        return bindingResult.getErrors();
+    }
+
+
+    private static final class DataResult extends LazySerializedDOMRpcResult {
+
+        private final BindingNormalizedNodeCodecRegistry codec;
+        private NormalizedNode<?, ?> domData;
+
+        public DataResult(final RpcResult<?> bindingResult, final BindingNormalizedNodeCodecRegistry codec) {
+            super(bindingResult);
+            this.codec = codec;
+        }
+
+        @Override
+        public NormalizedNode<?, ?> getResult() {
+            if(domData == null) {
+                domData = codec.toNormalizedNodeRpcData((DataContainer) bidningRpcResult().getResult());
+            }
+            return domData;
+        }
+    }
+
+
+    private static final class EmptyDataResult extends LazySerializedDOMRpcResult {
+
+        public EmptyDataResult(final RpcResult<?> bindingResult) {
+            super(bindingResult);
+        }
+
+        @Override
+        public NormalizedNode<?, ?> getResult() {
+            // FIXME: Should we return something else?
+            return null;
+        }
+
+    }
+
+
+
+}