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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
*
* 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.
*/
package org.onap.ccsdk.config.assignment.processor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.onap.ccsdk.config.model.data.ResourceAssignment;
import org.onap.ccsdk.config.model.utils.TopologicalSortingUtils;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class ResourceAssignmentProcessor {
private static EELFLogger logger = EELFManager.getInstance().getLogger(ResourceAssignmentProcessor.class);
private List<ResourceAssignment> assignments;
private Map<String, ResourceAssignment> resourceAssignmentMap;
@SuppressWarnings("squid:S1172")
public ResourceAssignmentProcessor(List<ResourceAssignment> assignments, SvcLogicContext ctx) {
this.assignments = assignments;
this.resourceAssignmentMap = new HashMap<>();
}
@SuppressWarnings("squid:S3776")
public List<List<ResourceAssignment>> process() {
List<List<ResourceAssignment>> sequenceBatchResourceAssignment = new ArrayList<>();
if (this.assignments != null) {
logger.info("Assignments ({})", this.assignments);
this.assignments.forEach(resourceMapping -> {
if (resourceMapping != null) {
logger.trace("Processing Key ({})", resourceMapping.getName());
resourceAssignmentMap.put(resourceMapping.getName(), resourceMapping);
}
});
TopologicalSortingUtils<ResourceAssignment> topologySorting = new TopologicalSortingUtils<>();
this.resourceAssignmentMap.forEach((mappingKey, mapping) -> {
if (mapping != null) {
if (mapping.getDependencies() != null && !mapping.getDependencies().isEmpty()) {
for (String dependency : mapping.getDependencies()) {
topologySorting.add(resourceAssignmentMap.get(dependency), mapping);
}
} else {
topologySorting.add(null, mapping);
}
}
});
List<ResourceAssignment> sequencedResourceAssignments = topologySorting.topSort();
logger.info("Sorted Sequenced Assignments ({})", sequencedResourceAssignments);
List<ResourceAssignment> batchResourceAssignment = null;
List<String> batchAssignmentName = null;
for (int i = 0; i < sequencedResourceAssignments.size(); i++) {
ResourceAssignment resourceAssignment = sequencedResourceAssignments.get(i);
ResourceAssignment previousResourceAssignment = null;
if (i > 0) {
previousResourceAssignment = sequencedResourceAssignments.get(i - 1);
}
if (resourceAssignment != null) {
boolean dependencyPresence = false;
if (batchAssignmentName != null && resourceAssignment.getDependencies() != null) {
dependencyPresence =
CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.getDependencies());
}
logger.trace("({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.getName(),
batchAssignmentName, resourceAssignment.getDependencies(), dependencyPresence);
if (previousResourceAssignment != null && resourceAssignment.getDictionarySource() != null
&& resourceAssignment.getDictionarySource()
.equalsIgnoreCase(previousResourceAssignment.getDictionarySource())
&& !dependencyPresence) {
batchResourceAssignment.add(resourceAssignment);
batchAssignmentName.add(resourceAssignment.getName());
} else {
if (batchResourceAssignment != null) {
sequenceBatchResourceAssignment.add(batchResourceAssignment);
logger.trace("Created old Set ({})", batchAssignmentName);
}
batchResourceAssignment = new ArrayList<>();
batchResourceAssignment.add(resourceAssignment);
batchAssignmentName = new ArrayList<>();
batchAssignmentName.add(resourceAssignment.getName());
}
}
if (i == (sequencedResourceAssignments.size() - 1)) {
logger.trace("Created old Set ({})", batchAssignmentName);
sequenceBatchResourceAssignment.add(batchResourceAssignment);
}
}
logger.info("Batched Sequence : ({})", sequenceBatchResourceAssignment);
}
return sequenceBatchResourceAssignment;
}
}
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