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Diffstat (limited to 'components/resource-dict/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/resource/dict/service/ResourceAssignmentValidationService.kt')
| -rw-r--r-- | components/resource-dict/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/resource/dict/service/ResourceAssignmentValidationService.kt | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/components/resource-dict/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/resource/dict/service/ResourceAssignmentValidationService.kt b/components/resource-dict/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/resource/dict/service/ResourceAssignmentValidationService.kt new file mode 100644 index 000000000..228b39e29 --- /dev/null +++ b/components/resource-dict/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/resource/dict/service/ResourceAssignmentValidationService.kt @@ -0,0 +1,151 @@ +/* + * 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.apps.controllerblueprints.resource.dict.service + +import com.att.eelf.configuration.EELFLogger +import org.apache.commons.collections.CollectionUtils +import org.apache.commons.lang3.StringUtils +import org.apache.commons.lang3.text.StrBuilder +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException +import org.onap.ccsdk.apps.controllerblueprints.core.utils.TopologicalSortingUtils +import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment +import com.att.eelf.configuration.EELFManager +import java.io.Serializable + +/** + * ResourceAssignmentValidationService. + * + * @author Brinda Santh + */ +interface ResourceAssignmentValidationService : Serializable { + + @Throws(BluePrintException::class) + fun validate(resourceAssignments: List<ResourceAssignment>): Boolean +} + +/** + * ResourceAssignmentValidationDefaultService. + * + * @author Brinda Santh + */ +open class ResourceAssignmentValidationDefaultService : ResourceAssignmentValidationService { + private val log: EELFLogger = EELFManager.getInstance().getLogger(ResourceAssignmentValidationDefaultService::class.java) + + open var resourceAssignmentMap: Map<String, ResourceAssignment> = hashMapOf() + open val validationMessage = StrBuilder() + + override fun validate(resourceAssignments: List<ResourceAssignment>): Boolean { + try { + validateSources(resourceAssignments) + validateTemplateNDictionaryKeys(resourceAssignments) + validateCyclicDependency(resourceAssignments) + if (StringUtils.isNotBlank(validationMessage)) { + throw BluePrintException("Resource Assignment Validation Failure") + } + } catch (e: Exception) { + throw BluePrintException("Resource Assignment Validation :" + validationMessage.toString(), e) + } + return true + } + + open fun validateSources(resourceAssignments: List<ResourceAssignment>) { + log.info("validating resource assignment sources") + } + + open fun validateTemplateNDictionaryKeys(resourceAssignments: List<ResourceAssignment>) { + + resourceAssignmentMap = resourceAssignments.map { it.name to it }.toMap() + + val duplicateKeyNames = resourceAssignments.groupBy { it.name } + .filter { it.value.size > 1 } + .map { it.key } + + if (duplicateKeyNames.isNotEmpty()) { + validationMessage.appendln(String.format("Duplicate Assignment Template Keys (%s) is Present", duplicateKeyNames)) + } + + val duplicateDictionaryKeyNames = resourceAssignments.groupBy { it.dictionaryName } + .filter { it.value.size > 1 } + .map { it.key } + if (duplicateDictionaryKeyNames.isNotEmpty()) { + validationMessage.appendln(String.format("Duplicate Assignment Dictionary Keys (%s) is Present", duplicateDictionaryKeyNames)) + } + + val dependenciesNames = resourceAssignments.mapNotNull { it.dependencies }.flatten() + + log.info("Resource assignment definitions : {}", resourceAssignmentMap.keys) + log.info("Resource assignment Dictionary dependencies : {}", dependenciesNames) + + val notPresentDictionaries = dependenciesNames.filter { !resourceAssignmentMap.containsKey(it) }.distinct() + if (notPresentDictionaries.isNotEmpty()) { + validationMessage.appendln(String.format("No assignments for Dictionary Keys (%s)", notPresentDictionaries)) + } + + if (StringUtils.isNotBlank(validationMessage)) { + throw BluePrintException("Resource Assignment Validation Failure") + } + } + + open fun validateCyclicDependency(resourceAssignments: List<ResourceAssignment>) { + val startResourceAssignment = ResourceAssignment() + startResourceAssignment.name = "*" + + val topologySorting = TopologicalSortingUtils<ResourceAssignment>() + + resourceAssignmentMap.map { it.value }.map { resourceAssignment -> + if (CollectionUtils.isNotEmpty(resourceAssignment.dependencies)) { + resourceAssignment.dependencies!!.map { + log.info("Topological Graph link from {} to {}", it, resourceAssignment.name) + topologySorting.add(resourceAssignmentMap[it]!!, resourceAssignment) + } + } else { + topologySorting.add(startResourceAssignment, resourceAssignment) + } + } + + if (!topologySorting.isDag) { + val graph = getTopologicalGraph(topologySorting) + validationMessage.appendln("Cyclic Dependency :$graph") + } + } + + open fun getTopologicalGraph(topologySorting: TopologicalSortingUtils<ResourceAssignment>): String { + val s = StringBuilder() + val neighbors = topologySorting.getNeighbors() + + neighbors.forEach { v, vs -> + if (v.name == "*") { + s.append("\n * -> [") + for (resourceAssignment in vs) { + s.append("(" + resourceAssignment.dictionaryName + ":" + resourceAssignment.name + + "),") + } + s.append("]") + } else { + s.append("\n (" + v.dictionaryName + ":" + v.name + ") -> [") + for (resourceAssignment in vs) { + s.append("(" + resourceAssignment.dictionaryName + ":" + resourceAssignment.name + + "),") + } + s.append("]") + } + } + return s.toString() + } + + +}
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