2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.ccsdk.sli.core.sli.provider.base;
24 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
25 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
26 import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
27 import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
28 import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 public class GetResourceNodeExecutor extends AbstractSvcLogicNodeExecutor {
34 private static final Logger LOG = LoggerFactory.getLogger(GetResourceNodeExecutor.class);
36 public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node, SvcLogicContext ctx)
37 throws SvcLogicException {
39 String plugin = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx);
40 String resourceType = SvcLogicExpressionResolver.evaluate(node.getAttribute("resource"), node, ctx);
41 String key = SvcLogicExpressionResolver.evaluateAsKey(node.getAttribute("key"), node, ctx);
42 String pfx = SvcLogicExpressionResolver.evaluate(node.getAttribute("pfx"), node, ctx);
44 String localOnlyStr = SvcLogicExpressionResolver.evaluate(node.getAttribute("local-only"), node, ctx);
46 // Note: for get-resource, only refresh from A&AI if the DG explicitly set
47 // local-only to false. Otherwise, just read from local database.
48 boolean localOnly = true;
50 if ("false".equalsIgnoreCase(localOnlyStr)) {
54 SvcLogicExpression selectExpr = node.getAttribute("select");
57 if (selectExpr != null) {
58 select = SvcLogicExpressionResolver.evaluateAsKey(selectExpr, node, ctx);
61 SvcLogicExpression orderByExpr = node.getAttribute("order-by");
62 String orderBy = null;
64 if (orderByExpr != null) {
65 orderBy = SvcLogicExpressionResolver.evaluateAsKey(orderByExpr, node, ctx);
68 String outValue = "failure";
70 if (LOG.isDebugEnabled()) {
71 LOG.debug(node.getNodeType() + " node encountered - looking for resource class " + plugin);
74 SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
76 if (resourcePlugin != null) {
78 switch (resourcePlugin.query(resourceType, localOnly, select, key, pfx, orderBy, ctx)) {
83 outValue = "not-found";
89 } catch (SvcLogicException e) {
90 LOG.error("Caught exception from resource plugin", e);
94 LOG.warn("Could not find SvcLogicResource object for plugin " + plugin);
96 return (getNextNode(node, outValue));