sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/RecordNodeExecutor.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.openecomp.sdnc.sli.provider;
  23
  24 import java.util.HashMap;
  25 import java.util.Iterator;
  26 import java.util.Map;
  27 import java.util.Set;
  28
  29 import org.openecomp.sdnc.sli.SvcLogicContext;
  30 import org.openecomp.sdnc.sli.SvcLogicException;
  31 import org.openecomp.sdnc.sli.SvcLogicExpression;
  32 import org.openecomp.sdnc.sli.SvcLogicNode;
  33 import org.openecomp.sdnc.sli.SvcLogicRecorder;
  34 import org.osgi.framework.BundleContext;
  35 import org.osgi.framework.FrameworkUtil;
  36 import org.osgi.framework.ServiceReference;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class RecordNodeExecutor extends SvcLogicNodeExecutor {
  41
  42         private static final Logger LOG = LoggerFactory
  43                         .getLogger(RecordNodeExecutor.class);
  44
  45         @Override
  46         public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
  47                         SvcLogicContext ctx) throws SvcLogicException {
  48
  49                 String plugin = SvcLogicExpressionResolver.evaluate(
  50                                 node.getAttribute("plugin"), node, ctx);
  51                 String outValue = "failure";
  52
  53                 if (LOG.isTraceEnabled()) {
  54                         LOG.trace(node.getNodeType()
  55                                         + " node encountered - looking for recorder class "
  56                                         + plugin);
  57                 }
  58
  59                 Map<String, String> parmMap = new HashMap<String, String>();
  60
  61                 Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
  62                                 .getParameterSet();
  63                 boolean hasParms = false;
  64
  65                 for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
  66                                 .iterator(); iter.hasNext();) {
  67                         hasParms = true;
  68                         Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
  69                         String curName = curEnt.getKey();
  70                         SvcLogicExpression curExpr = curEnt.getValue();
  71                         String curExprValue = SvcLogicExpressionResolver.evaluate(curExpr,
  72                                         node, ctx);
  73
  74                         if (LOG.isTraceEnabled()) {
  75                                 LOG.trace("executeRecordNode : parameter " + curName + " = "
  76                                                 + curExpr + " => " + curExprValue);
  77                         }
  78                         parmMap.put(curName, curExprValue);
  79                 }
  80
  81
  82                         SvcLogicRecorder recorder = getSvcLogicResource(plugin);
  83
  84                         if (recorder != null) {
  85
  86                                 try {
  87                                         recorder.record(parmMap);
  88                                 } catch (SvcLogicException e) {
  89                                         LOG.error("Caught exception from recorder plugin", e);
  90                                         outValue = "failure";
  91                                 }
  92                         } else {
  93                                 LOG.warn("Could not find SvcLogicRecorder object for plugin "
  94                                                 + plugin);
  95                         }
  96
  97                 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
  98                 if (nextNode != null) {
  99                         if (LOG.isDebugEnabled()) {
 100                                 LOG.debug("about to execute " + outValue + " branch");
 101                         }
 102                         return (nextNode);
 103                 }
 104
 105                 nextNode = node.getOutcomeValue("Other");
 106                 if (nextNode != null) {
 107                         if (LOG.isDebugEnabled()) {
 108                                 LOG.debug("about to execute Other branch");
 109                         }
 110                 } else {
 111                         if (LOG.isTraceEnabled()) {
 112                                 LOG.trace("no failure or Other branch found");
 113                         }
 114                 }
 115                 return (nextNode);
 116         }
 117
 118     protected SvcLogicRecorder getSvcLogicResource(String plugin) {
 119         BundleContext bctx = FrameworkUtil.getBundle(this.getClass())
 120                 .getBundleContext();
 121
 122         ServiceReference sref = bctx.getServiceReference(plugin);
 123         if (sref != null) {
 124             SvcLogicRecorder resourcePlugin = (SvcLogicRecorder) bctx
 125                     .getService(sref);
 126             return resourcePlugin;
 127         }
 128         else {
 129             return null;
 130         }
 131     }
 132
 133
 134
 135 }