vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/util/MDSALUtil.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                             reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.sdnc.vnfapi.util;
  23
  24 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.VnfTopologyOperationInputBuilder;
  25 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.VnfTopologyOperationOutputBuilder;
  26 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.sdnc.request.header.SdncRequestHeaderBuilder;
  27 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.service.data.ServiceDataBuilder;
  28 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.service.information.ServiceInformationBuilder;
  29 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.information.VnfInformationBuilder;
  30 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.model.infrastructure.VnfListBuilder;
  31 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.request.information.VnfRequestInformationBuilder;
  32 import org.opendaylight.yangtools.concepts.Builder;
  33 import org.opendaylight.yangtools.yang.common.RpcResult;
  34
  35 import java.util.concurrent.Future;
  36 import java.util.function.Consumer;
  37 import java.util.function.Function;
  38
  39
  40 /**
  41  * This uill class provides utility to build yang objects using a recursive syntax that resembles the tree structure
  42  * when defining the same yang object in json format.
  43  *
  44  * For Example
  45  * <pre>
  46  * {@code
  47  * import static org.onap.sdnc.northbound.util.MDSALUtil.*;
  48  * VnfTopologyOperationInput input = build(vnfTopologyOperationInput()
  49  *                .setServiceInformation(
  50  *                        build(serviceInformation()
  51  *                                .setServiceId("serviceId: xyz")
  52  *                                .setServiceInstanceId("serviceInstanceId: xyz")
  53  *                                .setServiceType("serviceType: xyz")
  54  *                                .setSubscriberName("subscriberName: xyz")
  55  *                        )
  56  *                )
  57  *                .setVnfRequestInformation(
  58  *                        build(vnfRequestInformation()
  59  *                                .setVnfId("vnfId: xyz")
  60  *                                .setVnfName("vnfName: xyz")//defect if missing
  61  *                                .setVnfType("vnfType: xyz")//defect if missing
  62  *                        )
  63  *                )
  64  *                .setSdncRequestHeader(
  65  *                        build(sdncRequestHeader()
  66  *                          .setSvcAction(SvcAction.Delete)
  67  *                        )
  68  *                )
  69  *        );
  70  * );
  71  * }
  72  * </pre>
  73  */
  74 public class MDSALUtil {
  75
  76     public static VnfTopologyOperationInputBuilder vnfTopologyOperationInput(){return new VnfTopologyOperationInputBuilder();}
  77     public static VnfTopologyOperationOutputBuilder vnfTopologyOperationOutput(){return new VnfTopologyOperationOutputBuilder();}
  78
  79     public static ServiceInformationBuilder serviceInformation(){return new ServiceInformationBuilder();}
  80     public static VnfRequestInformationBuilder vnfRequestInformation(){return new VnfRequestInformationBuilder();}
  81     public static VnfListBuilder vnfList(){return new VnfListBuilder();}
  82     public static ServiceDataBuilder serviceData() { return new ServiceDataBuilder();}
  83     public static SdncRequestHeaderBuilder sdncRequestHeader(){return new SdncRequestHeaderBuilder();}
  84     public static VnfInformationBuilder vnfInformation(){return new VnfInformationBuilder();}
  85
  86
  87     public static <P> P build(Builder<P> b) {
  88         return b == null? null :b.build();
  89     }
  90
  91     public static <P,B extends Builder<P>> P build(Function<P,B> builderConstructor,P sourceDataObject){
  92         if(sourceDataObject == null){
  93             return null;
  94         }
  95         B bp = builderConstructor.apply(sourceDataObject);
  96         return bp.build();
  97     }
  98
  99     public static <P,B extends Builder<P>> P build(Function<P,B> builderConstructor,P sourceDataObject,Consumer<B> builder){
 100         if(sourceDataObject == null){
 101             return null;
 102         }
 103         B bp = builderConstructor.apply(sourceDataObject);
 104         builder.accept(bp);
 105         return bp.build();
 106     }
 107
 108     public static <I,O> O exec(Function<I,Future<RpcResult<O>>> rpc,I rpcParameter,Function<RpcResult<O>,O> rpcResult)  throws Exception {
 109         Future<RpcResult<O>> future = rpc.apply(rpcParameter);
 110         return rpcResult.apply(future.get());
 111     }
 112
 113 }