1 files changed, 77 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultAtomicCounterBuilder.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultAtomicCounterBuilder.java
new file mode 100644
index 00000000..dba4443b
--- /dev/null
+++ b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultAtomicCounterBuilder.java
@@ -0,0 +1,77 @@
+/*
+ * 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.store.consistent.impl;
+
+import org.onosproject.store.service.AsyncAtomicCounter;
+import org.onosproject.store.service.AtomicCounter;
+import org.onosproject.store.service.AtomicCounterBuilder;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+
+/**
+ * Default implementation of AtomicCounterBuilder.
+ */
+public class DefaultAtomicCounterBuilder implements AtomicCounterBuilder {
+
+    private String name;
+    private boolean partitionsEnabled = true;
+    private final Database partitionedDatabase;
+    private final Database inMemoryDatabase;
+    private boolean metering = true;
+
+    public DefaultAtomicCounterBuilder(Database inMemoryDatabase, Database partitionedDatabase) {
+        this.inMemoryDatabase = inMemoryDatabase;
+        this.partitionedDatabase = partitionedDatabase;
+    }
+
+    @Override
+    public AtomicCounterBuilder withName(String name) {
+        checkArgument(name != null && !name.isEmpty());
+        this.name = name;
+        return this;
+    }
+
+    @Override
+    public AtomicCounterBuilder withPartitionsDisabled() {
+        partitionsEnabled = false;
+        return this;
+    }
+
+    @Override
+    public AtomicCounter build() {
+        validateInputs();
+        Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase;
+        return new DefaultAtomicCounter(name, database, metering);
+    }
+
+    @Override
+    public AsyncAtomicCounter buildAsyncCounter() {
+        validateInputs();
+        Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase;
+        return new DefaultAsyncAtomicCounter(name, database, metering);
+    }
+
+    @Override
+    public AtomicCounterBuilder withMeteringDisabled() {
+        metering = false;
+        return this;
+    }
+
+    private void validateInputs() {
+        checkState(name != null, "name must be specified");
+    }
+}