sli/provider/src/main/java/org/onap/ccsdk/sli/core/sli/provider/SaveNodeExecutor.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 java.util.HashMap;
  24 import java.util.Iterator;
  25 import java.util.Map;
  26 import java.util.Set;
  27
  28 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  29 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  30 import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
  31 import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
  32 import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class SaveNodeExecutor extends SvcLogicNodeExecutor {
  37
  38         private static final Logger LOG = LoggerFactory
  39                         .getLogger(SaveNodeExecutor.class);
  40
  41         @Override
  42         public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
  43                         SvcLogicContext ctx) throws SvcLogicException {
  44
  45                 String plugin = SvcLogicExpressionResolver.evaluate(
  46                                 node.getAttribute("plugin"), node, ctx);
  47                 String resourceType = SvcLogicExpressionResolver.evaluate(
  48                                 node.getAttribute("resource"), node, ctx);
  49                 String key = SvcLogicExpressionResolver.evaluateAsKey(
  50                                 node.getAttribute("key"), node, ctx);
  51                 String forceStr = SvcLogicExpressionResolver.evaluate(
  52                                 node.getAttribute("force"), node, ctx);
  53                 String localOnlyStr = SvcLogicExpressionResolver.evaluate(
  54                                 node.getAttribute("local-only"), node, ctx);
  55                 String pfx = SvcLogicExpressionResolver.evaluate(
  56                                 node.getAttribute("pfx"), node, ctx);
  57
  58                 boolean force = "true".equalsIgnoreCase(forceStr);
  59                 boolean localOnly = "true".equalsIgnoreCase(localOnlyStr);
  60
  61                 Map<String, String> parmMap = new HashMap<String, String>();
  62
  63                 Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
  64                                 .getParameterSet();
  65                 boolean hasParms = false;
  66
  67                 for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
  68                                 .iterator(); iter.hasNext();) {
  69                         hasParms = true;
  70                         Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
  71                         String curName = curEnt.getKey();
  72                         SvcLogicExpression curExpr = curEnt.getValue();
  73                         if (curExpr != null) {
  74                                 String curExprValue = SvcLogicExpressionResolver.evaluate(
  75                                                 curExpr, node, ctx);
  76
  77                                 LOG.debug("Parameter " + curName + " = "
  78                                                 + curExpr.asParsedExpr() + " resolves to "
  79                                                 + curExprValue);
  80
  81                                 parmMap.put(curName, curExprValue);
  82                         }
  83                 }
  84
  85                 String outValue = "failure";
  86
  87                 if (LOG.isDebugEnabled()) {
  88                         LOG.debug("save node encountered - looking for resource class "
  89                                         + plugin);
  90                 }
  91
  92
  93
  94         SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
  95
  96                         if (resourcePlugin != null) {
  97
  98                                 try {
  99                                         switch (resourcePlugin.save(resourceType, force, localOnly, key,
 100                                                         parmMap, pfx, ctx)) {
 101                                         case SUCCESS:
 102                                                 outValue = "success";
 103                                                 break;
 104                                         case NOT_FOUND:
 105                                                 outValue = "not-found";
 106                                                 break;
 107                                         case FAILURE:
 108                                         default:
 109                                                 outValue = "failure";
 110                                         }
 111                                 } catch (SvcLogicException e) {
 112                                         LOG.error("Caught exception from resource plugin", e);
 113                                         outValue = "failure";
 114                                 }
 115                         } else {
 116                                 LOG.warn("Could not find SvcLogicResource object for plugin "
 117                                                 + plugin);
 118                         }
 119
 120                 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
 121                 if (nextNode != null) {
 122                         if (LOG.isDebugEnabled()) {
 123                                 LOG.debug("about to execute " + outValue + " branch");
 124                         }
 125                         return (nextNode);
 126                 }
 127
 128                 nextNode = node.getOutcomeValue("Other");
 129                 if (nextNode != null) {
 130                         if (LOG.isDebugEnabled()) {
 131                                 LOG.debug("about to execute Other branch");
 132                         }
 133                 } else {
 134                         if (LOG.isDebugEnabled()) {
 135                                 LOG.debug("no "+outValue+" or Other branch found");
 136                         }
 137                 }
 138                 return (nextNode);
 139         }
 140
 141 }