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/*-
* ============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.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.openecomp.sdnc.sli.SvcLogicContext;
import org.openecomp.sdnc.sli.SvcLogicException;
import org.openecomp.sdnc.sli.SvcLogicExpression;
import org.openecomp.sdnc.sli.SvcLogicNode;
import org.openecomp.sdnc.sli.SvcLogicRecorder;
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 RecordNodeExecutor extends SvcLogicNodeExecutor {
private static final Logger LOG = LoggerFactory
.getLogger(RecordNodeExecutor.class);
@Override
public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
SvcLogicContext ctx) throws SvcLogicException {
String plugin = SvcLogicExpressionResolver.evaluate(
node.getAttribute("plugin"), node, ctx);
String outValue = "failure";
if (LOG.isTraceEnabled()) {
LOG.trace(node.getNodeType()
+ " node encountered - looking for recorder class "
+ plugin);
}
Map<String, String> parmMap = new HashMap<String, String>();
Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
.getParameterSet();
boolean hasParms = false;
for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
.iterator(); iter.hasNext();) {
hasParms = true;
Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
String curName = curEnt.getKey();
SvcLogicExpression curExpr = curEnt.getValue();
String curExprValue = SvcLogicExpressionResolver.evaluate(curExpr,
node, ctx);
if (LOG.isTraceEnabled()) {
LOG.trace("executeRecordNode : parameter " + curName + " = "
+ curExpr + " => " + curExprValue);
}
parmMap.put(curName, curExprValue);
}
SvcLogicRecorder recorder = getSvcLogicResource(plugin);
if (recorder != null) {
try {
recorder.record(parmMap);
} catch (SvcLogicException e) {
LOG.error("Caught exception from recorder plugin", e);
outValue = "failure";
}
} else {
LOG.warn("Could not find SvcLogicRecorder object for plugin "
+ plugin);
}
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.isTraceEnabled()) {
LOG.trace("no failure or Other branch found");
}
}
return (nextNode);
}
protected SvcLogicRecorder getSvcLogicResource(String plugin) {
BundleContext bctx = FrameworkUtil.getBundle(this.getClass())
.getBundleContext();
ServiceReference sref = bctx.getServiceReference(plugin);
if (sref != null) {
SvcLogicRecorder resourcePlugin = (SvcLogicRecorder) bctx
.getService(sref);
return resourcePlugin;
}
else {
return null;
}
}
}
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