1 files changed, 63 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/persistence/src/main/java/org/onosproject/persistence/impl/DefaultPersistentMapBuilder.java b/framework/src/onos/core/store/persistence/src/main/java/org/onosproject/persistence/impl/DefaultPersistentMapBuilder.java
new file mode 100644
index 00000000..88c7d148
--- /dev/null
+++ b/framework/src/onos/core/store/persistence/src/main/java/org/onosproject/persistence/impl/DefaultPersistentMapBuilder.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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 org.onosproject.persistence.impl;
+
+import org.mapdb.DB;
+import org.onosproject.persistence.PersistentMapBuilder;
+import org.onosproject.store.service.Serializer;
+
+import java.util.Map;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default builder for persistent maps stored in the mapDB local database via the persistence service.
+ */
+public class DefaultPersistentMapBuilder<K, V> implements PersistentMapBuilder<K, V> {
+
+    private final DB localDB;
+
+    private String name = null;
+
+    private Serializer serializer = null;
+
+
+    public DefaultPersistentMapBuilder(DB localDB) {
+        checkNotNull(localDB, "The local database cannot be null.");
+        this.localDB = localDB;
+    }
+
+    public PersistentMapBuilder<K, V> withName(String name) {
+        this.name = PersistenceManager.MAP_PREFIX + checkNotNull(name);
+        return this;
+    }
+
+    public PersistentMapBuilder<K, V> withSerializer(Serializer serializer) {
+        checkArgument(this.serializer == null);
+        checkNotNull(serializer);
+        this.serializer = serializer;
+        return this;
+    }
+
+    public Map<K, V> build() {
+        checkNotNull(name, "The name must be assigned.");
+        checkNotNull(serializer, "The key serializer must be assigned.");
+
+        return new PersistentMap<K, V>(serializer, localDB, name);
+    }
+}
+\ No newline at end of file