Move deprecated flow batch APIs to a less obvious place

Change-Id: I8078aadbafad1e5a339d74859bed94e25c9c6e8c
diff --git a/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEntry.java b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEntry.java
new file mode 100644
index 0000000..905af60
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEntry.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * 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.net.flow.oldbatch;
+
+import org.onosproject.net.flow.BatchOperationEntry;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.oldbatch.FlowRuleBatchEntry.FlowRuleOperation;
+
+@Deprecated
+/**
+ * @deprecated in Drake release - no longer a public API
+ */
+public class FlowRuleBatchEntry
+        extends BatchOperationEntry<FlowRuleOperation, FlowRule> {
+
+    private final Long id; // FIXME: consider using Optional<Long>
+
+    public FlowRuleBatchEntry(FlowRuleOperation operator, FlowRule target) {
+        super(operator, target);
+        this.id = null;
+    }
+
+    public FlowRuleBatchEntry(FlowRuleOperation operator, FlowRule target, Long id) {
+        super(operator, target);
+        this.id = id;
+    }
+
+    public Long id() {
+        return id;
+    }
+
+    public enum FlowRuleOperation {
+        ADD,
+        REMOVE,
+        MODIFY
+    }
+
+}
diff --git a/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEvent.java b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEvent.java
new file mode 100644
index 0000000..ab41753
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchEvent.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * 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.net.flow.oldbatch;
+
+import org.onosproject.event.AbstractEvent;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flow.CompletedBatchOperation;
+
+@Deprecated
+/**
+ * Describes flow rule batch event.
+ *
+ * @deprecated in Drake release - no longer a public API
+ */
+public final class FlowRuleBatchEvent extends AbstractEvent<FlowRuleBatchEvent.Type, FlowRuleBatchRequest> {
+
+
+    /**
+     * Type of flow rule events.
+     */
+    public enum Type {
+
+        // Request has been forwarded to MASTER Node
+        /**
+         * Signifies that a batch operation has been initiated.
+         */
+        BATCH_OPERATION_REQUESTED,
+
+        // MASTER Node has pushed the batch down to the Device
+        // (e.g., Received barrier reply)
+        /**
+         * Signifies that a batch operation has completed.
+         */
+        BATCH_OPERATION_COMPLETED,
+    }
+
+    private final CompletedBatchOperation result;
+    private final DeviceId deviceId;
+
+    /**
+     * Constructs a new FlowRuleBatchEvent.
+     *
+     * @param request batch operation request
+     * @param deviceId the device this batch will be processed on
+     * @return event.
+     */
+    public static FlowRuleBatchEvent requested(FlowRuleBatchRequest request, DeviceId deviceId) {
+        FlowRuleBatchEvent event = new FlowRuleBatchEvent(Type.BATCH_OPERATION_REQUESTED, request, deviceId);
+        return event;
+    }
+
+    /**
+     * Constructs a new FlowRuleBatchEvent.
+     * @param request batch operation request.
+     * @param result completed batch operation result.
+     * @return event.
+     */
+    public static FlowRuleBatchEvent completed(FlowRuleBatchRequest request, CompletedBatchOperation result) {
+        FlowRuleBatchEvent event = new FlowRuleBatchEvent(Type.BATCH_OPERATION_COMPLETED, request, result);
+        return event;
+    }
+
+    /**
+     * Returns the result of this batch operation.
+     * @return batch operation result.
+     */
+    public CompletedBatchOperation result() {
+        return result;
+    }
+
+    /**
+     * Returns the deviceId for this batch.
+     * @return device id
+     */
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    /**
+     * Creates an event of a given type and for the specified flow rule batch.
+     *
+     * @param type    flow rule batch event type
+     * @param request event flow rule batch subject
+     * @param result  the result of the batch operation
+     */
+    private FlowRuleBatchEvent(Type type, FlowRuleBatchRequest request, CompletedBatchOperation result) {
+        super(type, request);
+        this.result = result;
+        this.deviceId = result.deviceId();
+    }
+
+    /**
+     * Creates an event of a given type and for the specified flow rule batch.
+     *
+     * @param type      flow rule batch event type
+     * @param request   event flow rule batch subject
+     * @param deviceId  the device id for this batch
+     */
+    private FlowRuleBatchEvent(Type type, FlowRuleBatchRequest request, DeviceId deviceId) {
+        super(type, request);
+        this.result = null;
+        this.deviceId = deviceId;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchOperation.java b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchOperation.java
new file mode 100644
index 0000000..d252e6a
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchOperation.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * 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.net.flow.oldbatch;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flow.BatchOperation;
+
+import java.util.Collection;
+
+@Deprecated
+/**
+ * Class used with the flow subsystem to process per device
+ * batches.
+ *
+ * @deprecated in Drake release - no longer a public API
+ */
+public class FlowRuleBatchOperation
+    extends BatchOperation<FlowRuleBatchEntry> {
+
+    /**
+     * This id is used to cary to id of the original
+     * FlowOperations and track where this batch operation
+     * came from. The id is unique cluster wide.
+     */
+    private final long id;
+    private final DeviceId deviceId;
+
+    public FlowRuleBatchOperation(Collection<FlowRuleBatchEntry> operations,
+                                  DeviceId deviceId, long flowOperationId) {
+        super(operations);
+        this.id = flowOperationId;
+        this.deviceId = deviceId;
+    }
+
+    public DeviceId deviceId() {
+        return this.deviceId;
+    }
+
+    public long id() {
+        return id;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchRequest.java b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchRequest.java
new file mode 100644
index 0000000..33539e4
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/FlowRuleBatchRequest.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * 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.net.flow.oldbatch;
+
+import java.util.List;
+import java.util.Set;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+import org.onosproject.net.DeviceId;
+
+@Deprecated
+/**
+ * @deprecated in Drake release - no longer a public API
+ */
+public class FlowRuleBatchRequest {
+
+    /**
+     * This id is used to carry to id of the original
+     * FlowOperations and track where this batch operation
+     * came from. The id is unique cluster wide.
+     */
+    private final long batchId;
+
+    private final Set<FlowRuleBatchEntry> ops;
+
+    public FlowRuleBatchRequest(long batchId, Set<FlowRuleBatchEntry> ops) {
+        this.batchId = batchId;
+        this.ops = ImmutableSet.copyOf(ops);
+    }
+
+    public Set<FlowRuleBatchEntry> ops() {
+        return ops;
+    }
+
+    public FlowRuleBatchOperation asBatchOperation(DeviceId deviceId) {
+        List<FlowRuleBatchEntry> entries = Lists.newArrayList();
+        entries.addAll(ops);
+        return new FlowRuleBatchOperation(entries, deviceId, batchId);
+    }
+
+    public long batchId() {
+        return batchId;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/flow/oldbatch/package-info.java b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/package-info.java
new file mode 100644
index 0000000..20cb7a3
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/oldbatch/package-info.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+/**
+ * Flow rule model &amp; related services API definitions.
+ *
+ * <p>
+ * The figure below depicts the general interactions between different
+ * components of the intent subsystem.<br>
+ * <img src="doc-files/flow-design.png" alt="ONOS flow rule subsystem design">
+ * </p>
+ */
+package org.onosproject.net.flow.oldbatch;