1 files changed, 61 insertions, 0 deletions
diff --git a/vid-app-common/src/main/java/org/onap/vid/job/command/WatchChildrenJobsBL.kt b/vid-app-common/src/main/java/org/onap/vid/job/command/WatchChildrenJobsBL.kt
new file mode 100644
index 000000000..b31e7f92e
--- /dev/null
+++ b/vid-app-common/src/main/java/org/onap/vid/job/command/WatchChildrenJobsBL.kt
@@ -0,0 +1,61 @@
+package org.onap.vid.job.command
+
+import org.apache.commons.lang3.StringUtils
+import org.onap.portalsdk.core.service.DataAccessService
+import org.onap.vid.job.Job
+import org.onap.vid.job.Job.JobStatus.*
+import org.onap.vid.job.impl.JobDaoImpl
+import org.onap.vid.utils.DaoUtils
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.stereotype.Service
+import java.util.*
+import java.util.stream.Collectors
+import java.util.stream.Stream
+
+
+@Service
+class WatchChildrenJobsBL @Autowired
+constructor(private val dataAccessService: DataAccessService) {
+
+    fun retrieveChildrenJobsStatus(childrenJobsIds: List<String>): Job.JobStatus {
+        val jobs = getAllChildrenJobs(childrenJobsIds)
+
+        val jobsStatuses = childrenJobsIds.stream()
+                .map<JobDaoImpl> { jobId -> jobs[UUID.fromString(jobId)] }
+                .map {when {
+                    (it == null || it.status == null) -> Job.JobStatus.FAILED
+                    else -> it.status
+                }}
+
+        return cumulateJobStatus(jobsStatuses)
+
+    }
+
+    fun cumulateJobStatus(childrenComulatedStatus: Job.JobStatus, fatherJobStatus: Job.JobStatus): Job.JobStatus {
+        return cumulateJobStatus(Stream.of(childrenComulatedStatus, fatherJobStatus))
+    }
+
+    private fun cumulateJobStatus(jobsStatuses: Stream<Job.JobStatus>): Job.JobStatus {
+
+        return jobsStatuses.reduce{ a, b ->
+            when {
+                !a.isFinal || !b.isFinal -> IN_PROGRESS
+                a == COMPLETED_WITH_ERRORS || b == COMPLETED_WITH_ERRORS-> COMPLETED_WITH_ERRORS
+                a == COMPLETED && b.isFailure -> COMPLETED_WITH_ERRORS
+                b == COMPLETED && a.isFailure -> COMPLETED_WITH_ERRORS
+                a == COMPLETED || b == COMPLETED -> COMPLETED
+                a.isFailure || b.isFailure -> FAILED
+                else ->  COMPLETED_WITH_NO_ACTION
+            }
+        } .orElse(COMPLETED_WITH_NO_ACTION)
+  }
+
+    private fun getAllChildrenJobs(childrenJobsIds: List<String>): Map<UUID, JobDaoImpl> {
+        val jobs:MutableList<JobDaoImpl> = dataAccessService.getList(JobDaoImpl::class.java, filterByJobIds(childrenJobsIds), null, DaoUtils.getPropsMap()) as MutableList<JobDaoImpl>
+        return jobs.stream().collect(Collectors.toMap( { it.uuid }, { it }))
+    }
+
+    private fun filterByJobIds(childrenJobsIds: List<String>): String {
+        return " WHERE JOB_ID IN('" + StringUtils.join(childrenJobsIds, "', '") + "')"
+    }
+}