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Diffstat (limited to 'ms/controllerblueprints/modules/blueprint-core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/service/BluePrintExpressionService.kt')
| -rw-r--r-- | ms/controllerblueprints/modules/blueprint-core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/service/BluePrintExpressionService.kt | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/ms/controllerblueprints/modules/blueprint-core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/service/BluePrintExpressionService.kt b/ms/controllerblueprints/modules/blueprint-core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/service/BluePrintExpressionService.kt new file mode 100644 index 000000000..f23659cef --- /dev/null +++ b/ms/controllerblueprints/modules/blueprint-core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/service/BluePrintExpressionService.kt @@ -0,0 +1,195 @@ +/* + * Copyright © 2017-2018 AT&T Intellectual Property. + * Modifications Copyright © 2018 IBM. + * + * 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.core.service + +import com.att.eelf.configuration.EELFLogger +import com.att.eelf.configuration.EELFManager +import com.fasterxml.jackson.databind.JsonNode +import com.fasterxml.jackson.databind.node.ArrayNode +import com.fasterxml.jackson.databind.node.ObjectNode +import com.fasterxml.jackson.databind.node.TextNode +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintTypes +import org.onap.ccsdk.apps.controllerblueprints.core.data.* + +/** + * + * + * @author Brinda Santh + */ +object BluePrintExpressionService { + val log: EELFLogger = EELFManager.getInstance().getLogger(this::class.toString()) + + @JvmStatic + fun checkContainsExpression(propertyAssignmentNode: JsonNode): Boolean { + val json = propertyAssignmentNode.toString() + // FIXME("Check if any Optimisation needed") + return (json.contains(BluePrintConstants.EXPRESSION_GET_INPUT) + || json.contains(BluePrintConstants.EXPRESSION_GET_ATTRIBUTE) + || json.contains(BluePrintConstants.EXPRESSION_GET_PROPERTY)) + + } + + @JvmStatic + fun getExpressionData(propertyAssignmentNode: JsonNode): ExpressionData { + log.trace("Assignment Data/Expression : {}", propertyAssignmentNode) + val expressionData = ExpressionData(valueNode = propertyAssignmentNode) + if (propertyAssignmentNode is ObjectNode) { + val commands: Set<String> = propertyAssignmentNode.fieldNames().asSequence().toList().intersect(BluePrintTypes.validCommands()) + if (commands.isNotEmpty()) { + expressionData.isExpression = true + expressionData.command = commands.first() + expressionData.expressionNode = propertyAssignmentNode + + when (expressionData.command) { + BluePrintConstants.EXPRESSION_GET_INPUT -> { + expressionData.inputExpression = populateInputExpression(propertyAssignmentNode) + } + BluePrintConstants.EXPRESSION_GET_ATTRIBUTE -> { + expressionData.attributeExpression = populateAttributeExpression(propertyAssignmentNode) + } + BluePrintConstants.EXPRESSION_GET_PROPERTY -> { + expressionData.propertyExpression = populatePropertyExpression(propertyAssignmentNode) + } + BluePrintConstants.EXPRESSION_GET_OPERATION_OUTPUT -> { + expressionData.operationOutputExpression = populateOperationOutputExpression(propertyAssignmentNode) + } + BluePrintConstants.EXPRESSION_GET_ARTIFACT -> { + expressionData.artifactExpression = populateArtifactExpression(propertyAssignmentNode) + } + } + } + } else if (propertyAssignmentNode is TextNode + && propertyAssignmentNode.textValue().startsWith(BluePrintConstants.EXPRESSION_DSL_REFERENCE)) { + expressionData.isExpression = true + expressionData.command = BluePrintConstants.EXPRESSION_DSL_REFERENCE + expressionData.dslExpression = populateDSLExpression(propertyAssignmentNode) + } + return expressionData + } + + @JvmStatic + fun populateDSLExpression(jsonNode: TextNode): DSLExpression { + return DSLExpression(propertyName = jsonNode.textValue() + .removePrefix(BluePrintConstants.EXPRESSION_DSL_REFERENCE)) + } + + @JvmStatic + fun populateInputExpression(jsonNode: JsonNode): InputExpression { + return InputExpression(propertyName = jsonNode.first().textValue()) + } + + @JvmStatic + fun populatePropertyExpression(jsonNode: JsonNode): PropertyExpression { + val arrayNode: ArrayNode = jsonNode.first() as ArrayNode + check(arrayNode.size() >= 2) { + throw BluePrintException(String.format("missing property expression, " + + "it should be [ <modelable_entity_name>, <optional_req_or_cap_name>, <property_name>, " + + "<nested_property_name_or_index_1>, ..., <nested_property_name_or_index_n> ] , but present {}", jsonNode)) + } + var reqOrCapEntityName: String? = null + var propertyName = "" + var subProperty: String? = null + when { + arrayNode.size() == 2 -> propertyName = arrayNode[1].textValue() + arrayNode.size() == 3 -> { + reqOrCapEntityName = arrayNode[1].textValue() + propertyName = arrayNode[2].textValue() + } + arrayNode.size() > 3 -> { + reqOrCapEntityName = arrayNode[1].textValue() + propertyName = arrayNode[2].textValue() + val propertyPaths: List<String> = arrayNode.filterIndexed { index, _ -> + index >= 3 + }.map { it.textValue() } + subProperty = propertyPaths.joinToString("/") + } + } + + return PropertyExpression(modelableEntityName = arrayNode[0].asText(), + reqOrCapEntityName = reqOrCapEntityName, + propertyName = propertyName, + subPropertyName = subProperty + ) + } + + @JvmStatic + fun populateAttributeExpression(jsonNode: JsonNode): AttributeExpression { + val arrayNode: ArrayNode = jsonNode.first() as ArrayNode + check(arrayNode.size() >= 2) { + throw BluePrintException(String.format("missing attribute expression, " + + "it should be [ <modelable_entity_name>, <optional_req_or_cap_name>, <attribute_name>," + + " <nested_attribute_name_or_index_1>, ..., <nested_attribute_name_or_index_n> ] , but present {}", jsonNode)) + } + + var reqOrCapEntityName: String? = null + var attributeName = "" + var subAttributeName: String? = null + when { + arrayNode.size() == 2 -> attributeName = arrayNode[1].textValue() + arrayNode.size() == 3 -> { + reqOrCapEntityName = arrayNode[1].textValue() + attributeName = arrayNode[2].textValue() + } + arrayNode.size() > 3 -> { + reqOrCapEntityName = arrayNode[1].textValue() + attributeName = arrayNode[2].textValue() + val propertyPaths: List<String> = arrayNode.filterIndexed { index, _ -> + index >= 3 + }.map { it.textValue() } + subAttributeName = propertyPaths.joinToString("/") + } + } + return AttributeExpression(modelableEntityName = arrayNode[0].asText(), + reqOrCapEntityName = reqOrCapEntityName, + attributeName = attributeName, + subAttributeName = subAttributeName + ) + } + + @JvmStatic + fun populateOperationOutputExpression(jsonNode: JsonNode): OperationOutputExpression { + val arrayNode: ArrayNode = jsonNode.first() as ArrayNode + + check(arrayNode.size() >= 4) { + throw BluePrintException(String.format("missing operation output expression, " + + "it should be (<modelable_entity_name>, <interface_name>, <operation_name>, <output_variable_name>) , but present {}", jsonNode)) + } + return OperationOutputExpression(modelableEntityName = arrayNode[0].asText(), + interfaceName = arrayNode[1].asText(), + operationName = arrayNode[2].asText(), + propertyName = arrayNode[3].asText() + ) + } + + @JvmStatic + fun populateArtifactExpression(jsonNode: JsonNode): ArtifactExpression { + val arrayNode: ArrayNode = jsonNode.first() as ArrayNode + + check(arrayNode.size() >= 2) { + throw BluePrintException(String.format("missing artifact expression, " + + "it should be [ <modelable_entity_name>, <artifact_name>, <location>, <remove> ] , but present {}", jsonNode)) + } + return ArtifactExpression(modelableEntityName = arrayNode[0].asText(), + artifactName = arrayNode[1].asText(), + location = arrayNode[2]?.asText() ?: "LOCAL_FILE", + remove = arrayNode[3]?.asBoolean() ?: false + ) + } +}
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