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.SvcLogicConstants;
25 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
26 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
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 IsAvailableNodeExecutor extends AbstractSvcLogicNodeExecutor {
34 private static final Logger LOG = LoggerFactory.getLogger(IsAvailableNodeExecutor.class);
37 public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node, SvcLogicContext ctx)
38 throws SvcLogicException {
40 String plugin = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx);
41 String resourceType = SvcLogicExpressionResolver.evaluate(node.getAttribute("resource"), node, ctx);
42 String key = SvcLogicExpressionResolver.evaluateAsKey(node.getAttribute("key"), node, ctx);
43 String pfx = SvcLogicExpressionResolver.evaluate(node.getAttribute("pfx"), node, ctx);
45 String outValue = SvcLogicConstants.FAILURE;
47 SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
49 if (resourcePlugin != null) {
51 switch (resourcePlugin.isAvailable(resourceType, key, pfx, ctx)) {
62 } catch (SvcLogicException e) {
63 LOG.error("Caught exception from resource plugin", e);
64 outValue = SvcLogicConstants.FAILURE;
67 LOG.warn("Could not find SvcLogicResource object for plugin " + plugin);
69 return (getNextNode(node, outValue));