2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 ONAP
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.ccsdk.sli.core.sli.provider;
23 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
24 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
25 import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
26 import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
27 import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 public class GetResourceNodeExecutor extends SvcLogicNodeExecutor {
33 private static final Logger LOG = LoggerFactory
34 .getLogger(GetResourceNodeExecutor.class);
36 public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
37 SvcLogicContext ctx) throws SvcLogicException {
39 String plugin = SvcLogicExpressionResolver.evaluate(
40 node.getAttribute("plugin"), node, ctx);
41 String resourceType = SvcLogicExpressionResolver.evaluate(
42 node.getAttribute("resource"), node, ctx);
43 String key = SvcLogicExpressionResolver.evaluateAsKey(
44 node.getAttribute("key"), node, ctx);
45 String pfx = SvcLogicExpressionResolver.evaluate(
46 node.getAttribute("pfx"), node, ctx);
48 String localOnlyStr = SvcLogicExpressionResolver.evaluate(
49 node.getAttribute("local-only"), node, ctx);
51 // Note: for get-resource, only refresh from A&AI if the DG explicitly set
52 // local-only to false. Otherwise, just read from local database.
53 boolean localOnly = true;
55 if ("false".equalsIgnoreCase(localOnlyStr)) {
59 SvcLogicExpression selectExpr = node.getAttribute("select");
62 if (selectExpr != null) {
63 select = SvcLogicExpressionResolver.evaluateAsKey(selectExpr, node,
67 SvcLogicExpression orderByExpr = node.getAttribute("order-by");
68 String orderBy = null;
70 if (orderByExpr != null) {
71 orderBy = SvcLogicExpressionResolver.evaluateAsKey(orderByExpr, node,
75 String outValue = "failure";
77 if (LOG.isDebugEnabled()) {
78 LOG.debug(node.getNodeType()
79 + " node encountered - looking for resource class "
84 SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
86 if (resourcePlugin != null) {
89 switch (resourcePlugin.query(resourceType, localOnly, select, key,
95 outValue = "not-found";
101 } catch (SvcLogicException e) {
102 LOG.error("Caught exception from resource plugin", e);
103 outValue = "failure";
106 LOG.warn("Could not find SvcLogicResource object for plugin "
111 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
112 if (nextNode != null) {
113 if (LOG.isDebugEnabled()) {
114 LOG.debug("about to execute " + outValue + " branch");
119 nextNode = node.getOutcomeValue("Other");
120 if (nextNode != null) {
121 if (LOG.isDebugEnabled()) {
122 LOG.debug("about to execute Other branch");
125 if (LOG.isDebugEnabled()) {
127 LOG.debug("no "+outValue+" or Other branch found");