Bug 740: Forwardingrules-Manager support for DataChangeListeners

[controller.git] / opendaylight / md-sal / forwardingrules-manager / src / main / java / org / opendaylight / controller / frm / meter / MeterChangeListener.java

diff --git a/opendaylight/md-sal/forwardingrules-manager/src/main/java/org/opendaylight/controller/frm/meter/MeterChangeListener.java b/opendaylight/md-sal/forwardingrules-manager/src/main/java/org/opendaylight/controller/frm/meter/MeterChangeListener.java
new file mode 100644 (file)
index 0000000..839e556
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+++ b/opendaylight/md-sal/forwardingrules-manager/src/main/java/org/opendaylight/controller/frm/meter/MeterChangeListener.java
@@ -0,0 +1,114 @@
+/**
+ * Copyright (c) 2014 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.frm.meter;
+
+import org.opendaylight.controller.frm.AbstractChangeListener;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.SalMeterService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.OriginalMeter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.OriginalMeterBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.UpdatedMeter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.UpdatedMeterBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterRef;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 
+ * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
+ *
+ */
+public class MeterChangeListener extends AbstractChangeListener {
+
+    private final static Logger LOG = LoggerFactory.getLogger(MeterChangeListener.class);
+
+    private final SalMeterService salMeterService;
+
+    public SalMeterService getSalMeterService() {
+        return this.salMeterService;
+    }
+    
+    public MeterChangeListener(final SalMeterService manager) {
+        this.salMeterService = manager;
+    }
+
+    @Override
+    protected void validate() throws IllegalStateException {
+        MeterTransactionValidator.validate(this);
+    }
+
+    @Override
+    protected void remove(InstanceIdentifier<? extends DataObject> identifier, DataObject removeDataObj) {
+        if ((removeDataObj instanceof Meter)) {
+            
+            final Meter meter = ((Meter) removeDataObj);
+            final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node> firstIdentifierOf(Node.class);
+            final RemoveMeterInputBuilder builder = new RemoveMeterInputBuilder(meter);
+            
+            builder.setNode(new NodeRef(nodeInstanceId));
+            builder.setMeterRef(new MeterRef(identifier));
+            
+            Uri uri = new Uri(this.getTransactionId());
+            builder.setTransactionUri(uri);
+            this.salMeterService.removeMeter((RemoveMeterInput) builder.build());
+            LOG.debug("Transaction {} - Remove Meter has removed meter: {}", new Object[]{uri, removeDataObj});
+        }
+    }
+
+    @Override
+    protected void update(InstanceIdentifier<? extends DataObject> identifier, DataObject original, DataObject update) {
+        if (original instanceof Meter && update instanceof Meter) {
+            
+            final Meter originalMeter = ((Meter) original);
+            final Meter updatedMeter = ((Meter) update);
+            final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node> firstIdentifierOf(Node.class);
+            final UpdateMeterInputBuilder builder = new UpdateMeterInputBuilder();
+            
+            builder.setNode(new NodeRef(nodeInstanceId));
+            builder.setMeterRef(new MeterRef(identifier));
+            
+            Uri uri = new Uri(this.getTransactionId());
+            builder.setTransactionUri(uri);
+            
+            builder.setUpdatedMeter((UpdatedMeter) (new UpdatedMeterBuilder(updatedMeter)).build());
+            builder.setOriginalMeter((OriginalMeter) (new OriginalMeterBuilder(originalMeter)).build());
+            
+            this.salMeterService.updateMeter((UpdateMeterInput) builder.build());
+            LOG.debug("Transaction {} - Update Meter has updated meter {} with {}", new Object[]{uri, original, update});
+        }
+    }
+
+    @Override
+    protected void add(InstanceIdentifier<? extends DataObject> identifier, DataObject addDataObj) {
+        if ((addDataObj instanceof Meter)) {
+            
+            final Meter meter = ((Meter) addDataObj);
+            final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node> firstIdentifierOf(Node.class);
+            final AddMeterInputBuilder builder = new AddMeterInputBuilder(meter);
+            
+            builder.setNode(new NodeRef(nodeInstanceId));
+            builder.setMeterRef(new MeterRef(identifier));
+            
+            Uri uri = new Uri(this.getTransactionId());
+            builder.setTransactionUri(uri);
+            this.salMeterService.addMeter((AddMeterInput) builder.build());
+            LOG.debug("Transaction {} - Add Meter has added meter: {}", new Object[]{uri, addDataObj});
+        }
+    }
+}
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