1 files changed, 119 insertions, 0 deletions
diff --git a/ms/blueprintsprocessor/modules/blueprints/resource-dict/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/resource/dict/utils/BulkResourceSequencingUtils.kt b/ms/blueprintsprocessor/modules/blueprints/resource-dict/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/resource/dict/utils/BulkResourceSequencingUtils.kt
new file mode 100644
index 000000000..9a5523113
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/blueprints/resource-dict/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/resource/dict/utils/BulkResourceSequencingUtils.kt
@@ -0,0 +1,119 @@
+/*
+ *  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.cds.controllerblueprints.resource.dict.utils
+
+import org.apache.commons.collections.CollectionUtils
+import org.onap.ccsdk.cds.controllerblueprints.core.asListOfString
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.TopologicalSortingUtils
+import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
+import org.slf4j.LoggerFactory
+import java.util.ArrayList
+
+/**
+ * BulkResourceSequencingUtils.
+ *
+ * @author Brinda Santh
+ */
+object BulkResourceSequencingUtils {
+
+    private val log = LoggerFactory.getLogger(BulkResourceSequencingUtils::class.java)
+
+    @JvmStatic
+    fun process(resourceAssignments: MutableList<ResourceAssignment>): List<List<ResourceAssignment>> {
+        val resourceAssignmentMap: MutableMap<String, ResourceAssignment> = hashMapOf()
+        val sequenceBatchResourceAssignment = ArrayList<List<ResourceAssignment>>()
+        log.trace("Assignments ({})", resourceAssignments)
+        // Prepare Map
+        resourceAssignments.forEach { resourceAssignment ->
+            log.trace("Processing Key ({})", resourceAssignment.name)
+            resourceAssignmentMap.put(resourceAssignment.name, resourceAssignment)
+        }
+
+        val startResourceAssignment = ResourceAssignment()
+        startResourceAssignment.name = "*"
+
+        // Preepare Sorting Map
+        val topologySorting = TopologicalSortingUtils<ResourceAssignment>()
+        resourceAssignmentMap.forEach { _, resourceAssignment ->
+            // Get the dependencies from the assignment sources, if not get from the Resource Assignment dependencies
+            if (resourceAssignment.dictionarySourceDefinition != null) {
+                val dependencies = resourceAssignment.dictionarySourceDefinition?.properties?.get("key-dependencies")?.asListOfString()
+                dependencies?.forEach { dependency ->
+                    topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)
+                }
+            } else if (CollectionUtils.isNotEmpty(resourceAssignment.dependencies)) {
+                for (dependency in resourceAssignment.dependencies!!) {
+                    topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)
+                }
+            } else {
+                topologySorting.add(startResourceAssignment, resourceAssignment)
+            }
+        }
+
+        val sequencedResourceAssignments: MutableList<ResourceAssignment> = topologySorting.topSort()!! as MutableList<ResourceAssignment>
+        log.trace("Sorted Sequenced Assignments ({})", sequencedResourceAssignments)
+
+        var batchResourceAssignment: MutableList<ResourceAssignment>? = null
+        var batchAssignmentName: MutableList<String>? = null
+
+        // Prepare Sorting
+        sequencedResourceAssignments.forEachIndexed { index, resourceAssignment ->
+
+            var previousResourceAssignment: ResourceAssignment? = null
+
+            if (index > 0) {
+                previousResourceAssignment = sequencedResourceAssignments[index - 1]
+            }
+
+            var dependencyPresence = false
+            if (batchAssignmentName != null && resourceAssignment.dependencies != null) {
+                dependencyPresence = CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.dependencies)
+            }
+
+            log.trace(
+                "({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.name,
+                batchAssignmentName, resourceAssignment.dependencies, dependencyPresence
+            )
+
+            if (previousResourceAssignment != null && resourceAssignment.dictionarySource != null &&
+                resourceAssignment.dictionarySource!!.equals(previousResourceAssignment.dictionarySource, true) &&
+                !dependencyPresence
+            ) {
+                batchResourceAssignment!!.add(resourceAssignment)
+                batchAssignmentName!!.add(resourceAssignment.name)
+            } else {
+                if (batchResourceAssignment != null) {
+                    sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
+                    log.trace("Created old Set ({})", batchAssignmentName)
+                }
+                batchResourceAssignment = arrayListOf()
+                batchResourceAssignment!!.add(resourceAssignment)
+
+                batchAssignmentName = arrayListOf()
+                batchAssignmentName!!.add(resourceAssignment.name)
+            }
+
+            if (index == sequencedResourceAssignments.size - 1) {
+                log.trace("Created old Set ({})", batchAssignmentName)
+                sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
+            }
+        }
+        log.info("Batched Sequence : ({})", sequenceBatchResourceAssignment)
+
+        return sequenceBatchResourceAssignment
+    }
+}