diff options
Diffstat (limited to 'sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/ExecuteNodeExecutor.java')
-rw-r--r-- | sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/ExecuteNodeExecutor.java | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/ExecuteNodeExecutor.java b/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/ExecuteNodeExecutor.java new file mode 100644 index 0000000..d6c7a8d --- /dev/null +++ b/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/ExecuteNodeExecutor.java @@ -0,0 +1,138 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : SDN-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.sdnc.sli.provider; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.Set; + +import org.openecomp.sdnc.sli.SvcLogicAdaptor; +import org.openecomp.sdnc.sli.SvcLogicContext; +import org.openecomp.sdnc.sli.SvcLogicException; +import org.openecomp.sdnc.sli.SvcLogicExpression; +import org.openecomp.sdnc.sli.SvcLogicJavaPlugin; +import org.openecomp.sdnc.sli.SvcLogicNode; +import org.openecomp.sdnc.sli.SvcLogicResource; +import org.osgi.framework.BundleContext; +import org.osgi.framework.FrameworkUtil; +import org.osgi.framework.ServiceReference; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ExecuteNodeExecutor extends SvcLogicNodeExecutor { + private static final Logger LOG = LoggerFactory + .getLogger(ExecuteNodeExecutor.class); + + public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node, + SvcLogicContext ctx) throws SvcLogicException { + + String pluginName = SvcLogicExpressionResolver.evaluate( + node.getAttribute("plugin"), node, ctx); + String outValue = "failure"; + + if (LOG.isDebugEnabled()) { + LOG.debug("execute node encountered - looking for plugin " + + pluginName); + } + + BundleContext bctx = FrameworkUtil.getBundle(this.getClass()) + .getBundleContext(); + + ServiceReference sref = bctx.getServiceReference(pluginName); + + if (sref == null) { + outValue = "not-found"; + } else { + SvcLogicJavaPlugin plugin = (SvcLogicJavaPlugin) bctx + .getService(sref); + + String methodName = SvcLogicExpressionResolver.evaluate(node.getAttribute("method"), node, ctx); + + Class pluginClass = plugin.getClass(); + + Method pluginMethod = null; + + try { + pluginMethod = pluginClass.getMethod(methodName, Map.class, SvcLogicContext.class); + } catch (Exception e) { + LOG.error("Caught exception looking for method "+pluginName+"."+methodName+"(Map, SvcLogicContext)"); + } + + if (pluginMethod == null) { + outValue = "unsupported-method"; + } else { + try { + + Map<String, String> parmMap = new HashMap<String, String>(); + + Set<Map.Entry<String, SvcLogicExpression>> parmSet = node + .getParameterSet(); + + for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet + .iterator(); iter.hasNext();) { + Map.Entry<String, SvcLogicExpression> curEnt = iter.next(); + String curName = curEnt.getKey(); + SvcLogicExpression curExpr = curEnt.getValue(); + String curExprValue = SvcLogicExpressionResolver.evaluate(curExpr, node, ctx); + + LOG.debug("Parameter "+curName+" = "+curExpr.asParsedExpr()+" resolves to "+curExprValue); + + parmMap.put(curName,curExprValue); + } + + pluginMethod.invoke(plugin, parmMap, ctx); + + outValue = "success"; + } catch (Exception e) { + LOG.error("Caught exception executing "+pluginName+"."+methodName, e); + + outValue = "failure"; + ctx.setStatus("failure"); + } + } + + } + + SvcLogicNode nextNode = node.getOutcomeValue(outValue); + if (nextNode != null) { + if (LOG.isDebugEnabled()) { + LOG.debug("about to execute " + outValue + " branch"); + } + return (nextNode); + } + + nextNode = node.getOutcomeValue("Other"); + if (nextNode != null) { + if (LOG.isDebugEnabled()) { + LOG.debug("about to execute Other branch"); + } + } else { + if (LOG.isDebugEnabled()) { + LOG.debug("no " + outValue + " or Other branch found"); + } + } + return (nextNode); + } + +} |