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/*-
* ============LICENSE_START=======================================================
* ONAP : CCSDK
* ================================================================================
* 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.onap.ccsdk.sli.core.sli.provider.base;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BlockNodeExecutor extends AbstractSvcLogicNodeExecutor {
private static final Logger LOG = LoggerFactory
.getLogger(BlockNodeExecutor.class);
@Override
public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node, SvcLogicContext ctx)
throws SvcLogicException {
SvcLogicExpression atomicExpr = node.getAttribute("atomic");
String atomicStr = SvcLogicExpressionResolver.evaluate(atomicExpr, node, ctx);
boolean isAtomic = "true".equalsIgnoreCase(atomicStr);
// Initialize status to success so that at least one outcome will execute
ctx.setStatus("success");
int numOutcomes = node.getNumOutcomes();
for (int i = 0; i < numOutcomes; i++) {
if ("failure".equals(ctx.getStatus()) && isAtomic) {
LOG.info("Block - stopped executing nodes due to failure status");
return(null);
}
SvcLogicNode nextNode = node.getOutcomeValue("" + (i + 1));
if (nextNode != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("Block - executing outcome " + (i + 1));
}
while (nextNode != null)
{
nextNode = svc.executeNode(nextNode, ctx);
}
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Block - done: no outcome " + (i + 1));
}
}
}
return (null);
}
}
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