Expose rest API with non blocking call.

Convert Mono and Flux to coroutines

Convert reactor mdc to coroutine mdc

Issue-ID: CCSDK-2052
Signed-off-by: Brinda Santh <bs2796@att.com>
Change-Id: Ic58c0b74866d28fd2d803b96626b08f8e8b2db56

3 files changed, 87 insertions, 64 deletions

diff --git a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/BlueprintModelController.kt b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/BlueprintModelController.kt
index 0eb29f4cc..bb824ce4d 100644
--- a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/BlueprintModelController.kt
+++ b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/BlueprintModelController.kt
@@ -24,7 +24,7 @@ import org.jetbrains.annotations.NotNull
 import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.domain.BlueprintModelSearch
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.handler.BluePrintModelHandler
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.utils.BlueprintSortByOption
-import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.monoMdc
+import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.mdcWebCoroutineScope
 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
 import org.springframework.core.io.Resource
 import org.springframework.data.domain.Page
@@ -45,7 +45,6 @@ import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RequestPart
 import org.springframework.web.bind.annotation.ResponseBody
 import org.springframework.web.bind.annotation.RestController
-import reactor.core.publisher.Mono
 
 /**
  * BlueprintModelController Purpose: Handle controllerBlueprint API request
@@ -64,7 +63,7 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun bootstrap(@RequestBody bootstrapRequest: BootstrapRequest): Mono<Unit> = monoMdc {
+    suspend fun bootstrap(@RequestBody bootstrapRequest: BootstrapRequest): Unit = mdcWebCoroutineScope {
         bluePrintModelHandler.bootstrapBlueprint(bootstrapRequest)
     }
 
@@ -72,7 +71,7 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun saveBlueprint(@RequestPart("file") filePart: FilePart): Mono<BlueprintModelSearch> = monoMdc {
+    suspend fun saveBlueprint(@RequestPart("file") filePart: FilePart): BlueprintModelSearch = mdcWebCoroutineScope {
         bluePrintModelHandler.saveBlueprintModel(filePart)
     }
 
@@ -98,9 +97,10 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @GetMapping("meta-data/{keyword}", produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
     @PreAuthorize("hasRole('USER')")
-    fun allBlueprintModelMetaData(@NotNull @PathVariable(value = "keyword") keyWord: String): List<BlueprintModelSearch> {
-        return this.bluePrintModelHandler.searchBluePrintModelsByKeyWord(keyWord)
-    }
+    suspend fun allBlueprintModelMetaData(@NotNull @PathVariable(value = "keyword") keyWord: String): List<BlueprintModelSearch> =
+        mdcWebCoroutineScope {
+            bluePrintModelHandler.searchBluePrintModelsByKeyWord(keyWord)
+        }
 
     @GetMapping("/paged/meta-data/{keyword}", produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
@@ -118,20 +118,20 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @DeleteMapping("/{id}")
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun deleteBlueprint(@PathVariable(value = "id") id: String) {
-        this.bluePrintModelHandler.deleteBlueprintModel(id)
+    suspend fun deleteBlueprint(@PathVariable(value = "id") id: String) = mdcWebCoroutineScope {
+        bluePrintModelHandler.deleteBlueprintModel(id)
     }
 
     @GetMapping("/by-name/{name}/version/{version}", produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun getBlueprintByNameAndVersion(
+    suspend fun getBlueprintByNameAndVersion(
         @PathVariable(value = "name") name: String,
         @PathVariable(value = "version") version: String
-    ):
-            Mono<ResponseEntity<BlueprintModelSearch>> = monoMdc {
-        var bluePrintModel: BlueprintModelSearch? = bluePrintModelHandler.getBlueprintModelSearchByNameAndVersion(name, version)
+    ): ResponseEntity<BlueprintModelSearch> = mdcWebCoroutineScope {
+        val bluePrintModel: BlueprintModelSearch? =
+            bluePrintModelHandler.getBlueprintModelSearchByNameAndVersion(name, version)
         if (bluePrintModel != null)
             ResponseEntity(bluePrintModel, HttpStatus.OK)
         else
@@ -142,11 +142,10 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun downloadBlueprintByNameAndVersion(
+    suspend fun downloadBlueprintByNameAndVersion(
         @PathVariable(value = "name") name: String,
         @PathVariable(value = "version") version: String
-    ):
-            Mono<ResponseEntity<Resource>> = monoMdc {
+    ): ResponseEntity<Resource> = mdcWebCoroutineScope {
         bluePrintModelHandler.downloadBlueprintModelFileByNameAndVersion(name, version)
     }
 
@@ -154,17 +153,18 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun getBlueprintModel(@PathVariable(value = "id") id: String): BlueprintModelSearch {
-        return this.bluePrintModelHandler.getBlueprintModelSearch(id)
+    suspend fun getBlueprintModel(@PathVariable(value = "id") id: String): BlueprintModelSearch = mdcWebCoroutineScope {
+        bluePrintModelHandler.getBlueprintModelSearch(id)
     }
 
     @GetMapping("/download/{id}", produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun downloadBluePrint(@PathVariable(value = "id") id: String): Mono<ResponseEntity<Resource>> = monoMdc {
-        bluePrintModelHandler.downloadBlueprintModelFile(id)
-    }
+    suspend fun downloadBluePrint(@PathVariable(value = "id") id: String): ResponseEntity<Resource> =
+        mdcWebCoroutineScope {
+            bluePrintModelHandler.downloadBlueprintModelFile(id)
+        }
 
     @PostMapping(
         "/enrich", produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType
@@ -173,7 +173,7 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun enrichBlueprint(@RequestPart("file") file: FilePart): Mono<ResponseEntity<Resource>> = monoMdc {
+    suspend fun enrichBlueprint(@RequestPart("file") file: FilePart): ResponseEntity<Resource> = mdcWebCoroutineScope {
         bluePrintModelHandler.enrichBlueprint(file)
     }
 
@@ -181,16 +181,17 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
     @ResponseBody
     @Throws(BluePrintException::class)
     @PreAuthorize("hasRole('USER')")
-    fun publishBlueprint(@RequestPart("file") file: FilePart): Mono<BlueprintModelSearch> = monoMdc {
+    suspend fun publishBlueprint(@RequestPart("file") file: FilePart): BlueprintModelSearch = mdcWebCoroutineScope {
         bluePrintModelHandler.publishBlueprint(file)
     }
 
     @GetMapping("/search/{tags}", produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
     @PreAuthorize("hasRole('USER')")
-    fun searchBlueprintModels(@PathVariable(value = "tags") tags: String): List<BlueprintModelSearch> {
-        return this.bluePrintModelHandler.searchBlueprintModels(tags)
-    }
+    suspend fun searchBlueprintModels(@PathVariable(value = "tags") tags: String): List<BlueprintModelSearch> =
+        mdcWebCoroutineScope {
+            bluePrintModelHandler.searchBlueprintModels(tags)
+        }
 
     @DeleteMapping("/name/{name}/version/{version}")
     @ApiOperation(
@@ -199,12 +200,12 @@ open class BlueprintModelController(private val bluePrintModelHandler: BluePrint
         produces = MediaType.APPLICATION_JSON_VALUE
     )
     @PreAuthorize("hasRole('USER')")
-    fun deleteBlueprint(
+    suspend fun deleteBlueprint(
         @ApiParam(value = "Name of the CBA.", required = true)
         @PathVariable(value = "name") name: String,
         @ApiParam(value = "Version of the CBA.", required = true)
         @PathVariable(value = "version") version: String
-    ) = monoMdc {
+    ) = mdcWebCoroutineScope {
         bluePrintModelHandler.deleteBlueprintModel(name, version)
     }
 }
diff --git a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ModelTypeController.kt b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ModelTypeController.kt
index adeb3cf89..1c550bb3e 100644
--- a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ModelTypeController.kt
+++ b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ModelTypeController.kt
@@ -17,9 +17,9 @@
 
 package org.onap.ccsdk.cds.blueprintsprocessor.designer.api
 
-import kotlinx.coroutines.runBlocking
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.domain.ModelType
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.handler.ModelTypeHandler
+import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.mdcWebCoroutineScope
 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
 import org.springframework.http.MediaType
 import org.springframework.web.bind.annotation.DeleteMapping
@@ -32,34 +32,39 @@ import org.springframework.web.bind.annotation.ResponseBody
 import org.springframework.web.bind.annotation.RestController
 
 @RestController
-@RequestMapping(value = arrayOf("/api/v1/model-type"))
+@RequestMapping(value = ["/api/v1/model-type"])
 open class ModelTypeController(private val modelTypeHandler: ModelTypeHandler) {
 
-    @GetMapping(path = arrayOf("/{name}"), produces = arrayOf(MediaType.APPLICATION_JSON_VALUE))
-    fun getModelTypeByName(@PathVariable(value = "name") name: String): ModelType? = runBlocking {
+    @GetMapping(path = ["/{name}"], produces = [MediaType.APPLICATION_JSON_VALUE])
+    suspend fun getModelTypeByName(@PathVariable(value = "name") name: String): ModelType? = mdcWebCoroutineScope {
         modelTypeHandler.getModelTypeByName(name)
     }
 
-    @GetMapping(path = arrayOf("/search/{tags}"), produces = arrayOf(MediaType.APPLICATION_JSON_VALUE))
-    fun searchModelTypes(@PathVariable(value = "tags") tags: String): List<ModelType> = runBlocking {
+    @GetMapping(path = ["/search/{tags}"], produces = [MediaType.APPLICATION_JSON_VALUE])
+    suspend fun searchModelTypes(@PathVariable(value = "tags") tags: String): List<ModelType> = mdcWebCoroutineScope {
         modelTypeHandler.searchModelTypes(tags)
     }
 
-    @GetMapping(path = arrayOf("/by-definition/{definitionType}"), produces = arrayOf(MediaType.APPLICATION_JSON_VALUE))
+    @GetMapping(path = ["/by-definition/{definitionType}"], produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
-    fun getModelTypeByDefinitionType(@PathVariable(value = "definitionType") definitionType: String): List<ModelType> = runBlocking {
-        modelTypeHandler.getModelTypeByDefinitionType(definitionType)
-    }
+    suspend fun getModelTypeByDefinitionType(@PathVariable(value = "definitionType") definitionType: String): List<ModelType> =
+        mdcWebCoroutineScope {
+            modelTypeHandler.getModelTypeByDefinitionType(definitionType)
+        }
 
-    @PostMapping(path = arrayOf(""), produces = arrayOf(MediaType.APPLICATION_JSON_VALUE), consumes = arrayOf(MediaType.APPLICATION_JSON_VALUE))
+    @PostMapping(
+        path = [""],
+        produces = [MediaType.APPLICATION_JSON_VALUE],
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
     @ResponseBody
     @Throws(BluePrintException::class)
-    fun saveModelType(@RequestBody modelType: ModelType): ModelType = runBlocking {
+    suspend fun saveModelType(@RequestBody modelType: ModelType): ModelType = mdcWebCoroutineScope {
         modelTypeHandler.saveModel(modelType)
     }
 
-    @DeleteMapping(path = arrayOf("/{name}"))
-    fun deleteModelTypeByName(@PathVariable(value = "name") name: String) = runBlocking {
+    @DeleteMapping(path = ["/{name}"])
+    suspend fun deleteModelTypeByName(@PathVariable(value = "name") name: String) = mdcWebCoroutineScope {
         modelTypeHandler.deleteByModelName(name)
     }
 }
diff --git a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ResourceDictionaryController.kt b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ResourceDictionaryController.kt
index 75403d479..7f569cfba 100644
--- a/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ResourceDictionaryController.kt
+++ b/ms/blueprintsprocessor/modules/inbounds/designer-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/designer/api/ResourceDictionaryController.kt
@@ -16,9 +16,9 @@
 
 package org.onap.ccsdk.cds.blueprintsprocessor.designer.api
 
-import kotlinx.coroutines.runBlocking
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.domain.ResourceDictionary
 import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.handler.ResourceDictionaryHandler
+import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.mdcWebCoroutineScope
 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceDefinition
 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceSourceMapping
@@ -39,50 +39,67 @@ open class ResourceDictionaryController(private val resourceDictionaryHandler: R
     @GetMapping(path = ["/{name}"], produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
     @Throws(BluePrintException::class)
-    fun getResourceDictionaryByName(@PathVariable(value = "name") name: String): ResourceDictionary = runBlocking {
-        resourceDictionaryHandler.getResourceDictionaryByName(name)
-    }
+    suspend fun getResourceDictionaryByName(@PathVariable(value = "name") name: String): ResourceDictionary =
+        mdcWebCoroutineScope {
+            resourceDictionaryHandler.getResourceDictionaryByName(name)
+        }
 
-    @PostMapping(path = [""], produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType.APPLICATION_JSON_VALUE])
+    @PostMapping(
+        path = [""],
+        produces = [MediaType.APPLICATION_JSON_VALUE],
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
     @ResponseBody
     @Throws(BluePrintException::class)
-    fun saveResourceDictionary(@RequestBody dataDictionary: ResourceDictionary): ResourceDictionary = runBlocking {
-        resourceDictionaryHandler.saveResourceDictionary(dataDictionary)
-    }
+    suspend fun saveResourceDictionary(@RequestBody dataDictionary: ResourceDictionary): ResourceDictionary =
+        mdcWebCoroutineScope {
+            resourceDictionaryHandler.saveResourceDictionary(dataDictionary)
+        }
 
-    @PostMapping(path = ["/definition"], produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType.APPLICATION_JSON_VALUE])
+    @PostMapping(
+        path = ["/definition"],
+        produces = [MediaType.APPLICATION_JSON_VALUE],
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
     @ResponseBody
     @Throws(BluePrintException::class)
-    fun saveResourceDictionary(@RequestBody resourceDefinition: ResourceDefinition): ResourceDefinition = runBlocking {
-        resourceDictionaryHandler.saveResourceDefinition(resourceDefinition)
-    }
+    suspend fun saveResourceDictionary(@RequestBody resourceDefinition: ResourceDefinition): ResourceDefinition =
+        mdcWebCoroutineScope {
+            resourceDictionaryHandler.saveResourceDefinition(resourceDefinition)
+        }
 
     @DeleteMapping(path = ["/{name}"])
-    fun deleteResourceDictionaryByName(@PathVariable(value = "name") name: String) = runBlocking {
+    suspend fun deleteResourceDictionaryByName(@PathVariable(value = "name") name: String) = mdcWebCoroutineScope {
         resourceDictionaryHandler.deleteResourceDictionary(name)
     }
 
-    @PostMapping(path = ["/by-names"], produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType.APPLICATION_JSON_VALUE])
+    @PostMapping(
+        path = ["/by-names"],
+        produces = [MediaType.APPLICATION_JSON_VALUE],
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
     @ResponseBody
-    fun searchResourceDictionaryByNames(@RequestBody names: List<String>): List<ResourceDictionary> = runBlocking {
-        resourceDictionaryHandler.searchResourceDictionaryByNames(names)
-    }
+    suspend fun searchResourceDictionaryByNames(@RequestBody names: List<String>): List<ResourceDictionary> =
+        mdcWebCoroutineScope {
+            resourceDictionaryHandler.searchResourceDictionaryByNames(names)
+        }
 
     @GetMapping(path = ["/search/{tags}"], produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
-    fun searchResourceDictionaryByTags(@PathVariable(value = "tags") tags: String): List<ResourceDictionary> = runBlocking {
-        resourceDictionaryHandler.searchResourceDictionaryByTags(tags)
-    }
+    suspend fun searchResourceDictionaryByTags(@PathVariable(value = "tags") tags: String): List<ResourceDictionary> =
+        mdcWebCoroutineScope {
+            resourceDictionaryHandler.searchResourceDictionaryByTags(tags)
+        }
 
     @GetMapping(path = ["/source-mapping"], produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
-    fun getResourceSourceMapping(): ResourceSourceMapping = runBlocking {
+    suspend fun getResourceSourceMapping(): ResourceSourceMapping = mdcWebCoroutineScope {
         resourceDictionaryHandler.getResourceSourceMapping()
     }
 
     @GetMapping(path = ["/resource_dictionary_group"], produces = [MediaType.APPLICATION_JSON_VALUE])
     @ResponseBody
-    fun getResourceDictionaryDistinct(): List<String> = runBlocking {
+    suspend fun getResourceDictionaryDistinct(): List<String> = mdcWebCoroutineScope {
         resourceDictionaryHandler.getResourceDictionaryDistinct()
     }
 }