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/*-
* ============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 org.openecomp.sdnc.sli.SvcLogicContext;
import org.openecomp.sdnc.sli.SvcLogicException;
import org.openecomp.sdnc.sli.SvcLogicExpression;
import org.openecomp.sdnc.sli.SvcLogicNode;
import org.openecomp.sdnc.sli.SvcLogicResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GetResourceNodeExecutor extends SvcLogicNodeExecutor {
private static final Logger LOG = LoggerFactory
.getLogger(GetResourceNodeExecutor.class);
public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
SvcLogicContext ctx) throws SvcLogicException {
String plugin = SvcLogicExpressionResolver.evaluate(
node.getAttribute("plugin"), node, ctx);
String resourceType = SvcLogicExpressionResolver.evaluate(
node.getAttribute("resource"), node, ctx);
String key = SvcLogicExpressionResolver.evaluateAsKey(
node.getAttribute("key"), node, ctx);
String pfx = SvcLogicExpressionResolver.evaluate(
node.getAttribute("pfx"), node, ctx);
String localOnlyStr = SvcLogicExpressionResolver.evaluate(
node.getAttribute("local-only"), node, ctx);
// Note: for get-resource, only refresh from A&AI if the DG explicitly set
// local-only to false. Otherwise, just read from local database.
boolean localOnly = true;
if ("false".equalsIgnoreCase(localOnlyStr)) {
localOnly = false;
}
SvcLogicExpression selectExpr = node.getAttribute("select");
String select = null;
if (selectExpr != null) {
select = SvcLogicExpressionResolver.evaluateAsKey(selectExpr, node,
ctx);
}
SvcLogicExpression orderByExpr = node.getAttribute("order-by");
String orderBy = null;
if (orderByExpr != null) {
orderBy = SvcLogicExpressionResolver.evaluateAsKey(orderByExpr, node,
ctx);
}
String outValue = "failure";
if (LOG.isDebugEnabled()) {
LOG.debug(node.getNodeType()
+ " node encountered - looking for resource class "
+ plugin);
}
SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
if (resourcePlugin != null) {
try {
switch (resourcePlugin.query(resourceType, localOnly, select, key,
pfx, orderBy, ctx)) {
case SUCCESS:
outValue = "success";
break;
case NOT_FOUND:
outValue = "not-found";
break;
case FAILURE:
default:
outValue = "failure";
}
} catch (SvcLogicException e) {
LOG.error("Caught exception from resource plugin", e);
outValue = "failure";
}
} else {
LOG.warn("Could not find SvcLogicResource object for plugin "
+ plugin);
}
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);
}
}
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