1 files changed, 99 insertions, 0 deletions
diff --git a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java
new file mode 100644
index 000000000..e7a654c7d
--- /dev/null
+++ b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.infra.distro.data;
+
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.data.impl.PersistingDataTreeAdapter;
+import io.fd.honeycomb.infra.distro.ProviderTrait;
+import io.fd.honeycomb.infra.distro.cfgattrs.HoneycombConfiguration;
+import io.fd.honeycomb.infra.distro.data.context.ContextPipelineModule;
+import java.nio.file.Paths;
+import org.opendaylight.controller.sal.core.api.model.SchemaService;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
+
+public abstract class PersistingDataTreeProvider extends ProviderTrait<DataTree> {
+
+    @Inject
+    private SchemaService schemaService;
+    @Inject
+    protected HoneycombConfiguration config;
+
+    public DataTree create() {
+        return isEnabled()
+                ? new PersistingDataTreeAdapter(getDelegate(), schemaService, Paths.get(getPath()))
+                : getDelegate();
+    }
+
+    public abstract String getPath();
+
+    public abstract TreeType getType();
+
+    public abstract DataTree getDelegate();
+
+    protected abstract boolean isEnabled();
+
+    public static final class ConfigPersistingDataTreeProvider extends PersistingDataTreeProvider {
+
+        @Inject
+        @Named(ConfigAndOperationalPipelineModule.HONEYCOMB_CONFIG_NONPERSIST)
+        private DataTree delegate;
+
+        public String getPath() {
+            return config.peristConfigPath;
+        }
+
+        public TreeType getType() {
+            return TreeType.CONFIGURATION;
+        }
+
+        public DataTree getDelegate() {
+            return delegate;
+        }
+
+        @Override
+        protected boolean isEnabled() {
+            return config.isConfigPersistenceEnabled();
+        }
+    }
+
+    public static final class ContextPersistingDataTreeProvider extends PersistingDataTreeProvider {
+
+        @Inject
+        @Named(ContextPipelineModule.HONEYCOMB_CONTEXT_NOPERSIST)
+        private DataTree delegate;
+
+        public String getPath() {
+            return config.peristContextPath;
+        }
+
+        public TreeType getType() {
+            return TreeType.OPERATIONAL;
+        }
+
+        public DataTree getDelegate() {
+            return delegate;
+        }
+
+        @Override
+        protected boolean isEnabled() {
+            return config.isContextPersistenceEnabled();
+        }
+
+    }
+}