Support for a distributed queue primitive.
Change-Id: I13abb93ec1703105ff0137e137738483a5b6a143
diff --git a/core/api/src/main/java/org/onosproject/store/service/DistributedQueueBuilder.java b/core/api/src/main/java/org/onosproject/store/service/DistributedQueueBuilder.java
new file mode 100644
index 0000000..f938b64
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+++ b/core/api/src/main/java/org/onosproject/store/service/DistributedQueueBuilder.java
@@ -0,0 +1,71 @@
+/*
+ * 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.service;
+
+/**
+ * Builder for distributed queue.
+ *
+ * @param <E> type queue elements.
+ */
+public interface DistributedQueueBuilder<E> {
+
+ /**
+ * Sets the name of the queue.
+ * <p>
+ * Each queue is identified by a unique name.
+ * </p>
+ * <p>
+ * Note: This is a mandatory parameter.
+ * </p>
+ *
+ * @param name name of the queue
+ * @return this DistributedQueueBuilder for method chaining
+ */
+ DistributedQueueBuilder<E> withName(String name);
+
+ /**
+ * Sets a serializer that can be used to serialize
+ * the elements pushed into the queue. The serializer
+ * builder should be pre-populated with any classes that will be
+ * put into the queue.
+ * <p>
+ * Note: This is a mandatory parameter.
+ * </p>
+ *
+ * @param serializer serializer
+ * @return this DistributedQueueBuilder for method chaining
+ */
+ DistributedQueueBuilder<E> withSerializer(Serializer serializer);
+
+ /**
+ * Disables persistence of queues entries.
+ * <p>
+ * When persistence is disabled, a full cluster restart will wipe out all
+ * queue entries.
+ * </p>
+ * @return this DistributedQueueBuilder for method chaining
+ */
+ DistributedQueueBuilder<E> withPersistenceDisabled();
+
+ /**
+ * Builds a queue based on the configuration options
+ * supplied to this builder.
+ *
+ * @return new distributed queue
+ * @throws java.lang.RuntimeException if a mandatory parameter is missing
+ */
+ DistributedQueue<E> build();
+}