groupbasedpolicy/src/main/java/org/opendaylight/groupbasedpolicy/util/EndpointUtils.java

   1 /*
   2  * Copyright (c) 2016 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.util;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import java.util.concurrent.ExecutionException;
  15
  16 import javax.annotation.Nonnull;
  17 import javax.annotation.Nullable;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.endpoints.address.endpoints.AddressEndpoint;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.endpoints.address.endpoints.AddressEndpointKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.absolute.location.absolute.location.location.type.ExternalLocationCase;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.child.endpoints.ChildEndpoint;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.ParentEndpointChoice;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.ParentContainmentEndpointCase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.ParentEndpointCase;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.parent.containment.endpoint._case.ParentContainmentEndpoint;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.parent.endpoint._case.ParentEndpoint;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.policy.ExternalImplicitGroup;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.endpoints.AddressEndpointWithLocation;
  34
  35 import com.google.common.base.Function;
  36 import com.google.common.base.Optional;
  37 import com.google.common.util.concurrent.Futures;
  38 import com.google.common.util.concurrent.ListenableFuture;
  39
  40 public class EndpointUtils {
  41
  42     public static AddressEndpointKey createAddressEndpointKey(ChildEndpoint child) {
  43         return new AddressEndpointKey(child.getAddress(), child.getAddressType(), child.getContextId(),
  44                 child.getContextType());
  45     }
  46
  47     public static AddressEndpointKey createAddressEndpointKey(ParentEndpoint parent) {
  48         return new AddressEndpointKey(parent.getAddress(), parent.getAddressType(), parent.getContextId(),
  49                 parent.getContextType());
  50     }
  51
  52     public static @Nonnull List<ParentContainmentEndpoint> getParentContainmentEndpoints(
  53             @Nullable ParentEndpointChoice parentEndpointChoice) {
  54         if (parentEndpointChoice instanceof ParentContainmentEndpointCase) {
  55             ParentContainmentEndpointCase parentCeCase = (ParentContainmentEndpointCase) parentEndpointChoice;
  56             List<ParentContainmentEndpoint> parentContainmentEndpoints = parentCeCase.getParentContainmentEndpoint();
  57             if (parentContainmentEndpoints != null) {
  58                 return parentContainmentEndpoints;
  59             }
  60         }
  61         return Collections.emptyList();
  62     }
  63
  64     public static @Nonnull List<ParentEndpoint> getParentEndpoints(
  65             @Nullable ParentEndpointChoice parentEndpointChoice) {
  66         if (parentEndpointChoice instanceof ParentEndpointCase) {
  67             ParentEndpointCase parentEpCase = (ParentEndpointCase) parentEndpointChoice;
  68             List<ParentEndpoint> parentEndpoints = parentEpCase.getParentEndpoint();
  69             if (parentEndpoints != null) {
  70                 return parentEndpoints;
  71             }
  72         }
  73         return Collections.emptyList();
  74     }
  75
  76     public static boolean isExternalEndpoint(@Nonnull DataBroker dataBroker, @Nonnull AddressEndpoint addrEp) {
  77         ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();
  78         List<ListenableFuture<Boolean>> results = new ArrayList<>();
  79         for (EndpointGroupId epgId : addrEp.getEndpointGroup()) {
  80             results.add(Futures.transform(
  81                     rTx.read(LogicalDatastoreType.CONFIGURATION,
  82                             IidFactory.externalImplicitGroupIid(addrEp.getTenant(), epgId)),
  83                     new Function<Optional<ExternalImplicitGroup>, Boolean>() {
  84
  85                         @Override
  86                         public Boolean apply(Optional<ExternalImplicitGroup> input) {
  87                             return input.isPresent();
  88                         }
  89                     }));
  90         }
  91         rTx.close();
  92         try {
  93             List<Boolean> list = Futures.allAsList(results).get();
  94             return list.stream().anyMatch(Boolean::booleanValue);
  95         } catch (InterruptedException | ExecutionException e) {
  96             return false;
  97         }
  98     }
  99
 100     public static Optional<ExternalLocationCase> getExternalLocationFrom(AddressEndpointWithLocation input) {
 101         if (input.getAbsoluteLocation() != null && input.getAbsoluteLocation().getLocationType() != null
 102                 && input.getAbsoluteLocation().getLocationType() instanceof ExternalLocationCase) {
 103             return Optional.of((ExternalLocationCase) input.getAbsoluteLocation().getLocationType());
 104         }
 105         return Optional.absent();
 106     }
 107 }