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-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/execution/AbstractServiceFunction.kt112
1 files changed, 112 insertions, 0 deletions
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/execution/AbstractServiceFunction.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/execution/AbstractServiceFunction.kt
new file mode 100644
index 000000000..67ab9c4de
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/execution/AbstractServiceFunction.kt
@@ -0,0 +1,112 @@
+/*
+ * Copyright © 2018-2019 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.blueprintsprocessor.services.execution
+
+import com.fasterxml.jackson.databind.JsonNode
+import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
+import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
+import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.Status
+import org.onap.ccsdk.cds.controllerblueprints.common.api.EventType
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
+import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BlueprintFunctionNode
+import org.onap.ccsdk.cds.controllerblueprints.core.jsonPathParse
+import org.onap.ccsdk.cds.controllerblueprints.core.logger
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
+
+/** This implementation is used to build services, which doesn't need blueprints */
+abstract class AbstractServiceFunction : BlueprintFunctionNode<ExecutionServiceInput, ExecutionServiceOutput> {
+
+ @Transient
+ private val log = logger(AbstractServiceFunction::class)
+
+ lateinit var executionServiceInput: ExecutionServiceInput
+ var executionServiceOutput = ExecutionServiceOutput()
+ lateinit var processId: String
+ lateinit var actionName: String
+ lateinit var responseActionPayload: JsonNode
+
+ override fun getName(): String {
+ return actionName
+ }
+
+ override suspend fun prepareRequestNB(executionRequest: ExecutionServiceInput): ExecutionServiceInput {
+
+ this.executionServiceInput = executionRequest
+
+ actionName = executionRequest.actionIdentifiers.actionName
+ check(actionName.isNotEmpty()) { "couldn't get action name" }
+
+ processId = executionRequest.commonHeader.requestId
+ check(processId.isNotEmpty()) { "couldn't get process id for service action($actionName)" }
+
+ return executionRequest
+ }
+
+ override suspend fun applyNB(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
+ try {
+ prepareRequestNB(executionServiceInput)
+ processNB(executionServiceInput)
+ } catch (runtimeException: RuntimeException) {
+ log.error("failed in ${getName()} : ${runtimeException.message}", runtimeException)
+ recoverNB(runtimeException, executionServiceInput)
+ }
+ return prepareResponseNB()
+ }
+
+ override suspend fun prepareResponseNB(): ExecutionServiceOutput {
+ log.debug("Preparing Response...")
+ executionServiceOutput.commonHeader = executionServiceInput.commonHeader
+ executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
+ var status = Status()
+ try {
+ // Set the Response Payload
+ executionServiceOutput.payload = JacksonUtils.objectMapper.createObjectNode()
+ executionServiceOutput.payload.set("$actionName-response", responseActionPayload)
+ // Set the Default Step Status
+ status.eventType = EventType.EVENT_COMPONENT_EXECUTED.name
+ } catch (e: Exception) {
+ status.message = BluePrintConstants.STATUS_FAILURE
+ status.eventType = EventType.EVENT_COMPONENT_FAILURE.name
+ }
+ executionServiceOutput.status = status
+ return this.executionServiceOutput
+ }
+
+ fun setResponsePayloadForAction(actionPayload: JsonNode) {
+ this.responseActionPayload = actionPayload
+ }
+
+ /**
+ * Get Execution Input Payload data
+ */
+ fun requestPayload(): JsonNode? {
+ return executionServiceInput.payload
+ }
+
+ /**
+ * Get Execution Input payload action property with [expression]
+ * ex: requestPayloadActionProperty("data") will look for path "payload/<action-name>-request/data"
+ */
+ fun requestPayloadActionProperty(expression: String?): JsonNode? {
+ val requestExpression = if (expression.isNullOrBlank()) {
+ "$actionName-request"
+ } else {
+ "$actionName-request.$expression"
+ }
+ return executionServiceInput.payload.jsonPathParse(".$requestExpression")
+ }
+} \ No newline at end of file