renderers/iovisor/src/main/java/org/opendaylight/groupbasedpolicy/renderer/iovisor/sf/ActionDefinitionListener.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.renderer.iovisor.sf;
  10
  11 import static com.google.common.base.Preconditions.checkNotNull;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.groupbasedpolicy.renderer.iovisor.IovisorRenderer;
  19 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.SubjectFeatureDefinitions;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ActionDefinition;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.Renderers;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.Renderer;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.RendererKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.Capabilities;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedActionDefinition;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedActionDefinitionBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedActionDefinitionKey;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import com.google.common.util.concurrent.FutureCallback;
  34 import com.google.common.util.concurrent.Futures;
  35
  36 public class ActionDefinitionListener extends DataTreeChangeHandler<ActionDefinition> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ActionDefinitionListener.class);
  39     private static final InstanceIdentifier<Capabilities> CAPABILITIES_IID = InstanceIdentifier.builder(Renderers.class)
  40         .child(Renderer.class, new RendererKey(IovisorRenderer.RENDERER_NAME))
  41         .child(Capabilities.class)
  42         .build();
  43     private static String PUT = "stored";
  44     private static String DELETED = "removed";
  45
  46     public ActionDefinitionListener(DataBroker dataBroker) {
  47         super(dataBroker, new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
  48                 InstanceIdentifier.builder(SubjectFeatureDefinitions.class).child(ActionDefinition.class).build()));
  49     }
  50
  51     private SupportedActionDefinition createSupportedActionDefinition(Action action) {
  52         return new SupportedActionDefinitionBuilder().setActionDefinitionId(action.getId())
  53             .setSupportedParameterValues(action.getSupportedParameterValues())
  54             .build();
  55     }
  56
  57     private FutureCallback<Void> logDebugResult(final SupportedActionDefinitionKey supportedActionDefinitionKey,
  58             final String putOrDeleted) {
  59         return new FutureCallback<Void>() {
  60
  61             @Override
  62             public void onSuccess(Void result) {
  63                 LOG.debug("Capability of renerer {} was {}: {}", IovisorRenderer.RENDERER_NAME.getValue(), putOrDeleted,
  64                         supportedActionDefinitionKey.getActionDefinitionId().getValue());
  65             }
  66
  67             @Override
  68             public void onFailure(Throwable t) {
  69                 LOG.error("Capability of renderer {} was NOT {}: {}", IovisorRenderer.RENDERER_NAME.getValue(),
  70                         putOrDeleted, supportedActionDefinitionKey.getActionDefinitionId().getValue(), t);
  71             }
  72         };
  73     }
  74
  75     @Override
  76     protected void onWrite(DataObjectModification<ActionDefinition> rootNode,
  77             InstanceIdentifier<ActionDefinition> rootIdentifier) {
  78         onSubtreeModified(rootNode, rootIdentifier);
  79     }
  80
  81     @Override
  82     protected void onDelete(DataObjectModification<ActionDefinition> rootNode,
  83             InstanceIdentifier<ActionDefinition> rootIdentifier) {
  84         ActionDefinition actionDefinitionBefore = checkNotNull(rootNode.getDataBefore());
  85         Action ourAction = SubjectFeatures.getAction(actionDefinitionBefore.getId());
  86         if (ourAction != null) {
  87             SupportedActionDefinitionKey supportedActionDefinitionKey =
  88                     new SupportedActionDefinitionKey(ourAction.getId());
  89             WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
  90             wTx.delete(LogicalDatastoreType.OPERATIONAL,
  91                     CAPABILITIES_IID.child(SupportedActionDefinition.class, supportedActionDefinitionKey));
  92             Futures.addCallback(wTx.submit(), logDebugResult(supportedActionDefinitionKey, DELETED));
  93         }
  94     }
  95
  96     @Override
  97     protected void onSubtreeModified(DataObjectModification<ActionDefinition> rootNode,
  98             InstanceIdentifier<ActionDefinition> rootIdentifier) {
  99         ActionDefinition actionDefinitionAfter = checkNotNull(rootNode.getDataAfter());
 100         Action ourAction = SubjectFeatures.getAction(actionDefinitionAfter.getId());
 101         if (ourAction != null) {
 102             SupportedActionDefinition supportedActionDefinition = createSupportedActionDefinition(ourAction);
 103             WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
 104             wTx.put(LogicalDatastoreType.OPERATIONAL,
 105                     CAPABILITIES_IID.child(SupportedActionDefinition.class, supportedActionDefinition.getKey()),
 106                     supportedActionDefinition, true);
 107             Futures.addCallback(wTx.submit(), logDebugResult(supportedActionDefinition.getKey(), PUT));
 108         }
 109     }
 110 }