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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*-
* ============LICENSE_START=======================================================
* ONAP : CCSDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* Modifications Copyright (C) 2018 IBM.
* ================================================================================
* 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.onap.ccsdk.sli.core.sli.provider.base;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.onap.ccsdk.sli.core.sli.ExitNodeException;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicGraph;
import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
import org.onap.ccsdk.sli.core.sli.SvcLogicStore;
import org.onap.logging.ref.slf4j.ONAPLogConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
public class SvcLogicServiceImplBase implements SvcLogicServiceBase {
protected SvcLogicResolver resolver;
protected static final Map<String, AbstractSvcLogicNodeExecutor> BUILTIN_NODES = new HashMap<String, AbstractSvcLogicNodeExecutor>() {
{
put("block", new BlockNodeExecutor());
put("call", new CallNodeExecutor());
put("configure", new ConfigureNodeExecutor());
put("delete", new DeleteNodeExecutor());
put("execute", new ExecuteNodeExecutor());
put("exists", new ExistsNodeExecutor());
put("for", new ForNodeExecutor());
put("get-resource", new GetResourceNodeExecutor());
put("is-available", new IsAvailableNodeExecutor());
put("notify", new NotifyNodeExecutor());
put("record", new RecordNodeExecutor());
put("release", new ReleaseNodeExecutor());
put("reserve", new ReserveNodeExecutor());
put("return", new ReturnNodeExecutor());
put("save", new SaveNodeExecutor());
put("set", new SetNodeExecutor());
put("switch", new SwitchNodeExecutor());
put("update", new UpdateNodeExecutor());
put("break", new BreakNodeExecutor());
put("while", new WhileNodeExecutor());
put("exit", new ExitNodeExecutor());
}
};
private static final Logger LOG = LoggerFactory.getLogger(SvcLogicServiceImplBase.class);
protected HashMap<String, AbstractSvcLogicNodeExecutor> nodeExecutors = null;
protected Properties properties;
protected SvcLogicStore store;
protected static final String CURRENT_GRAPH="currentGraph";
public SvcLogicServiceImplBase(SvcLogicStore store, SvcLogicResolver resolver) {
this.store = store;
this.resolver = resolver;
}
protected void registerExecutors() {
for (String nodeType : BUILTIN_NODES.keySet()) {
registerExecutor(nodeType, BUILTIN_NODES.get(nodeType));
}
}
public void registerExecutor(String nodeName, AbstractSvcLogicNodeExecutor executor) {
if (nodeExecutors == null) {
nodeExecutors = new HashMap<>();
}
executor.setResolver(resolver);
nodeExecutors.put(nodeName, executor);
}
public void unregisterExecutor(String nodeName) {
nodeExecutors.remove(nodeName);
}
public SvcLogicContext execute(SvcLogicGraph graph, SvcLogicContext ctx) throws SvcLogicException {
if (nodeExecutors == null) {
registerExecutors();
}
MDC.put(CURRENT_GRAPH, graph.toString());
SvcLogicNode curNode = graph.getRootNode();
LOG.info("About to execute graph {}", graph.toString());
try {
while (curNode != null) {
SvcLogicNode nextNode = executeNode(curNode, ctx);
curNode = nextNode;
}
} catch (ExitNodeException e) {
LOG.debug("SvcLogicServiceImpl caught ExitNodeException");
}
MDC.remove("nodeId");
MDC.remove(CURRENT_GRAPH);
return (ctx);
}
public SvcLogicNode executeNode(SvcLogicNode node, SvcLogicContext ctx) throws SvcLogicException {
if (node == null) {
return (null);
}
LOG.info("About to execute node #{} {} node in graph {}", node.getNodeId(), node.getNodeType(), node.getGraph().toString());
AbstractSvcLogicNodeExecutor executor = nodeExecutors.get(node.getNodeType());
if (executor != null) {
MDC.put("nodeId", node.getNodeId() + " (" + node.getNodeType() + ")");
return (executor.execute(this, node, ctx));
} else {
throw new SvcLogicException("Attempted to execute a node of type " + node.getNodeType() + ", but no executor was registered for this type");
}
}
@Override
public boolean hasGraph(String module, String rpc, String version, String mode) throws SvcLogicException {
return (store.hasGraph(module, rpc, version, mode));
}
@Override
public Properties execute(String module, String rpc, String version, String mode, Properties props)
throws SvcLogicException {
SvcLogicGraph graph = store.fetch(module, rpc, version, mode);
if (graph == null) {
Properties retProps = new Properties();
retProps.setProperty("error-code", "401");
retProps.setProperty("error-message",
"No service logic found for [" + module + "," + rpc + "," + version + "," + mode + "]");
return (retProps);
}
SvcLogicContext ctx = new SvcLogicContext(props);
ctx.setAttribute(CURRENT_GRAPH, graph.toString());
// To support legacy code we should not stop populating X-ECOMP-RequestID
ctx.setAttribute("X-ECOMP-RequestID", MDC.get(ONAPLogConstants.MDCs.REQUEST_ID));
execute(graph, ctx);
return (ctx.toProperties());
}
@Override
public SvcLogicStore getStore() throws SvcLogicException {
return this.store;
}
}
|
