Migrate users of Optional.get()
[openflowplugin.git] / applications / topology-manager / src / main / java / org / opendaylight / openflowplugin / applications / topology / manager / TopologyManagerUtil.java
index bc2fb8a994f9579c1611903f814ce00ef7a6402c..f99fb50c06050e915dd8bd23b526f810c541c9a2 100644 (file)
@@ -7,11 +7,9 @@
  */
 package org.opendaylight.openflowplugin.applications.topology.manager;
 
-import com.google.common.base.Optional;
-import java.util.Collections;
-import java.util.List;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.openflowplugin.common.txchain.TransactionChainManager;
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
@@ -22,75 +20,51 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 final class TopologyManagerUtil {
-
     private static final Logger LOG = LoggerFactory.getLogger(TopologyManagerUtil.class);
 
     private TopologyManagerUtil() {
+        // Hidden on purpose
     }
 
     static void removeAffectedLinks(final NodeId id, final TransactionChainManager manager,
-                                    InstanceIdentifier<Topology> topology) {
-        Optional<Topology> topologyOptional = Optional.absent();
+                                    final InstanceIdentifier<Topology> topology) {
+        final Optional<Topology> topologyOptional;
         try {
-            topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).checkedGet();
-        } catch (ReadFailedException e) {
+            topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
+        } catch (InterruptedException | ExecutionException e) {
             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
             LOG.debug("Error reading topology data for topology.. ", e);
-        }
-        if (topologyOptional.isPresent()) {
-            removeAffectedLinks(id, topologyOptional, manager, topology);
-        }
-    }
-
-    private static void removeAffectedLinks(final NodeId id, Optional<Topology> topologyOptional,
-                                            TransactionChainManager manager,
-                                            final InstanceIdentifier<Topology> topology) {
-        if (!topologyOptional.isPresent()) {
             return;
         }
-
-        List<Link> linkList =
-                topologyOptional.get().getLink() != null ? topologyOptional.get().getLink() : Collections.emptyList();
-        for (Link link : linkList) {
-            if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
-                manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
+        if (topologyOptional.isPresent()) {
+            for (Link link : topologyOptional.orElseThrow().nonnullLink().values()) {
+                if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
+                    manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
+                }
             }
         }
     }
 
     static void removeAffectedLinks(final TpId id, final TransactionChainManager manager,
                                     final InstanceIdentifier<Topology> topology) {
-        Optional<Topology> topologyOptional = Optional.absent();
+        final Optional<Topology> topologyOptional;
         try {
-            topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).checkedGet();
-        } catch (ReadFailedException e) {
+            topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
+        } catch (InterruptedException | ExecutionException e) {
             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
             LOG.debug("Error reading topology data for topology..", e);
-        }
-        if (topologyOptional.isPresent()) {
-            removeAffectedLinks(id, topologyOptional, manager, topology);
-        }
-    }
-
-    private static void removeAffectedLinks(final TpId id, Optional<Topology> topologyOptional,
-                                            TransactionChainManager manager,
-                                            final InstanceIdentifier<Topology> topology) {
-        if (!topologyOptional.isPresent()) {
             return;
         }
-
-        List<Link> linkList = topologyOptional.get().getLink() != null ? topologyOptional.get()
-                .getLink() : Collections.<Link>emptyList();
-        for (Link link : linkList) {
-            if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
-                manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
+        if (topologyOptional.isPresent()) {
+            for (Link link : topologyOptional.orElseThrow().nonnullLink().values()) {
+                if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
+                    manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
+                }
             }
         }
     }
 
     static InstanceIdentifier<Link> linkPath(final Link link, final InstanceIdentifier<Topology> topology) {
-        return topology.child(Link.class, link.getKey());
+        return topology.child(Link.class, link.key());
     }
-
-
 }