OpenDaylight Controller functional modules.

[controller.git] / opendaylight / protocol_plugins / openflow / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / internal / ReadService.java

diff --git a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/ReadService.java b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/ReadService.java
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+
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.protocol_plugin.openflow.internal;
+
+import java.util.Dictionary;
+import java.util.List;
+
+import org.apache.felix.dm.Component;
+import org.opendaylight.controller.protocol_plugin.openflow.IPluginReadServiceFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.core.Node.NodeIDType;
+import org.opendaylight.controller.sal.core.NodeConnector;
+import org.opendaylight.controller.sal.flowprogrammer.Flow;
+import org.opendaylight.controller.sal.reader.FlowOnNode;
+import org.opendaylight.controller.sal.reader.IPluginInReadService;
+import org.opendaylight.controller.sal.reader.NodeConnectorStatistics;
+import org.opendaylight.controller.sal.reader.NodeDescription;
+
+/**
+ * Container Instance of IPluginInReadService implementation class
+ *
+ *
+ *
+ */
+public class ReadService implements IPluginInReadService {
+    private static final Logger logger = LoggerFactory
+            .getLogger(ReadService.class);
+    private IPluginReadServiceFilter filter;
+    private String containerName;
+
+    /**
+     * Function called by the dependency manager when all the required
+     * dependencies are satisfied
+     *
+     */
+    @SuppressWarnings("unchecked")
+    void init(Component c) {
+        Dictionary<Object, Object> props = c.getServiceProperties();
+        containerName = (props != null) ? (String) props.get("containerName")
+                : null;
+    }
+
+    /**
+     * Function called by the dependency manager when at least one
+     * dependency become unsatisfied or when the component is shutting
+     * down because for example bundle is being stopped.
+     *
+     */
+    void destroy() {
+    }
+
+    /**
+     * Function called by dependency manager after "init ()" is called
+     * and after the services provided by the class are registered in
+     * the service registry
+     *
+     */
+    void start() {
+    }
+
+    /**
+     * Function called by the dependency manager before the services
+     * exported by the component are unregistered, this will be
+     * followed by a "destroy ()" calls
+     *
+     */
+    void stop() {
+    }
+
+    public void setService(IPluginReadServiceFilter filter) {
+        this.filter = filter;
+    }
+
+    public void unsetService(IPluginReadServiceFilter filter) {
+        this.filter = null;
+    }
+
+    @Override
+    public FlowOnNode readFlow(Node node, Flow flow, boolean cached) {
+        if (!node.getType().equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return null;
+        }
+
+        return filter.readFlow(containerName, node, flow, cached);
+    }
+
+    @Override
+    public List<FlowOnNode> readAllFlow(Node node, boolean cached) {
+        if (!node.getType().equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return null;
+        }
+
+        return filter.readAllFlow(containerName, node, cached);
+    }
+
+    @Override
+    public NodeDescription readDescription(Node node, boolean cached) {
+        if (!node.getType().equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return null;
+        }
+
+        return filter.readDescription(node, cached);
+    }
+
+    @Override
+    public NodeConnectorStatistics readNodeConnector(NodeConnector connector,
+            boolean cached) {
+        if (!connector.getNode().getType()
+            .equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return null;
+        }
+        return filter.readNodeConnector(containerName, connector, cached);
+    }
+
+    @Override
+    public List<NodeConnectorStatistics> readAllNodeConnector(Node node,
+            boolean cached) {
+        if (!node.getType().equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return null;
+        }
+
+        return filter.readAllNodeConnector(containerName, node, cached);
+    }
+
+    @Override
+    public long getTransmitRate(NodeConnector connector) {
+        if (!connector.getNode().getType()
+            .equals(NodeIDType.OPENFLOW)) {
+            logger.error("Invalid node type");
+            return 0;
+        }
+        return filter.getTransmitRate(containerName, connector);
+    }
+}