1 files changed, 46 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/core/impl/StoreBasedIdBlockAllocator.java b/framework/src/onos/core/net/src/main/java/org/onosproject/core/impl/StoreBasedIdBlockAllocator.java
new file mode 100644
index 00000000..c28de73d
--- /dev/null
+++ b/framework/src/onos/core/net/src/main/java/org/onosproject/core/impl/StoreBasedIdBlockAllocator.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2014 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.core.impl;
+
+import org.onosproject.core.IdBlock;
+import org.onosproject.core.IdBlockStore;
+
+public class StoreBasedIdBlockAllocator implements IdBlockAllocator {
+    private final IdBlockStore store;
+    private final String topic;
+
+    public StoreBasedIdBlockAllocator(String topic, IdBlockStore store) {
+        this.topic = topic;
+        this.store = store;
+    }
+
+    /**
+     * Returns a block of IDs which are unique and unused.
+     * Range of IDs is fixed size and is assigned incrementally as this method
+     * called.
+     *
+     * @return an IdBlock containing a set of unique IDs
+     */
+    @Override
+    public synchronized IdBlock allocateUniqueIdBlock() {
+        return store.getIdBlock(topic);
+    }
+
+    @Override
+    public IdBlock allocateUniqueIdBlock(long range) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+}