Add blueprint wiring to sal-binding-broker-impl

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

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodecFactory.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodecFactory.java
new file mode 100644 (file)
index 0000000..a68ace7
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodecFactory.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2015 Brocade Communications 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.concurrent.atomic.AtomicBoolean;
+import org.opendaylight.controller.sal.binding.codegen.impl.SingletonHolder;
+import org.opendaylight.controller.sal.core.api.model.SchemaService;
+import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.sal.binding.generator.api.ClassLoadingStrategy;
+
+/**
+ * Factory class for creating and initializing the global BindingToNormalizedNodeCodec instance.
+ *
+ * @author Thomas Pantelis
+ */
+public class BindingToNormalizedNodeCodecFactory {
+    private static final AtomicBoolean INSTANCE_CREATED = new AtomicBoolean();
+    private static volatile BindingToNormalizedNodeCodec instance;
+
+    /**
+     * Returns the global BindingToNormalizedNodeCodec instance, creating if necessary. The returned instance
+     * is registered with tthe SchemaService as a SchemaContextListener.
+     *
+     * @param classLoadingStrategy
+     * @param schemaService
+     * @return the BindingToNormalizedNodeCodec instance
+     */
+    public static BindingToNormalizedNodeCodec getOrCreateInstance(ClassLoadingStrategy classLoadingStrategy,
+            SchemaService schemaService) {
+        if(!INSTANCE_CREATED.compareAndSet(false, true)) {
+            return instance;
+        }
+
+        BindingNormalizedNodeCodecRegistry codecRegistry = new BindingNormalizedNodeCodecRegistry(
+                StreamWriterGenerator.create(SingletonHolder.JAVASSIST));
+        instance = new BindingToNormalizedNodeCodec(classLoadingStrategy, codecRegistry, true);
+
+        schemaService.registerSchemaContextListener(instance);
+
+        return instance;
+    }
+
+    public static BindingToNormalizedNodeCodec getInstance() {
+        return instance;
+    }
+}