sli/provider/src/main/java/org/onap/ccsdk/sli/core/sli/provider/DeleteNodeExecutor.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : CCSDK
   4  * ================================================================================
   5  * Copyright (C) 2017 ONAP
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.ccsdk.sli.core.sli.provider;
  22
  23 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  24 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  25 import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
  26 import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class DeleteNodeExecutor extends SvcLogicNodeExecutor {
  31
  32         private static final Logger LOG = LoggerFactory
  33                         .getLogger(DeleteNodeExecutor.class);
  34         @Override
  35         public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
  36                         SvcLogicContext ctx) throws SvcLogicException {
  37
  38                 String plugin = SvcLogicExpressionResolver.evaluate(
  39                                 node.getAttribute("plugin"), node, ctx);
  40                 String resourceType = SvcLogicExpressionResolver.evaluate(
  41                                 node.getAttribute("resource"), node, ctx);
  42                 String key = SvcLogicExpressionResolver.evaluateAsKey(
  43                                 node.getAttribute("key"), node, ctx);
  44
  45                 String outValue = "failure";
  46
  47                 if (LOG.isDebugEnabled()) {
  48                         LOG.debug("delete node encountered - looking for resource class "
  49                                         + plugin);
  50                 }
  51
  52
  53                 SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
  54                         if (resourcePlugin != null) {
  55
  56                                 try {
  57
  58                                         switch (resourcePlugin.delete(resourceType, key, ctx)) {
  59                                         case SUCCESS:
  60                                                 outValue = "success";
  61                                                 break;
  62                                         case NOT_FOUND:
  63                                                 outValue = "not-found";
  64                                                 break;
  65                                         case FAILURE:
  66                                         default:
  67                                                 outValue = "failure";
  68                                         }
  69                                 } catch (SvcLogicException e) {
  70                                         LOG.error("Caught exception from resource plugin", e);
  71                                         outValue = "failure";
  72                                 }
  73                         } else {
  74                                 LOG.warn("Could not find SvcLogicResource object for plugin "
  75                                                 + plugin);
  76                         }
  77
  78
  79                 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
  80                 if (nextNode != null) {
  81                         if (LOG.isDebugEnabled()) {
  82                                 LOG.debug("about to execute " + outValue + " branch");
  83                         }
  84                         return (nextNode);
  85                 }
  86
  87                 nextNode = node.getOutcomeValue("Other");
  88                 if (nextNode != null) {
  89                         if (LOG.isDebugEnabled()) {
  90                                 LOG.debug("about to execute Other branch");
  91                         }
  92                 } else {
  93                         if (LOG.isDebugEnabled()) {
  94                                 LOG.debug("no "+outValue+" or Other branch found");
  95                         }
  96                 }
  97                 return (nextNode);
  98         }
  99
 100 }