1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
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);
}
}
|
