public class CoreUtils extends Object
Constructor and Description |
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CoreUtils() |
Modifier and Type | Method and Description |
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static io.siddhi.core.executor.VariableExpressionExecutor |
extractAndValidateClassLabel(io.siddhi.query.api.definition.AbstractDefinition inputDefinition,
io.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors,
int classIndex)
Validate and extract Class label executor
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static List<io.siddhi.core.executor.VariableExpressionExecutor> |
extractAndValidateFeatures(io.siddhi.query.api.definition.AbstractDefinition inputDefinition,
io.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors,
int startIndex,
int noOfFeatures)
Validate and extract feature attribute executors
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static boolean |
isLabelType(io.siddhi.query.api.definition.Attribute.Type attributeType)
Check label attribute to be a valid type
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static boolean |
isNumeric(io.siddhi.query.api.definition.Attribute.Type attributeType)
Check feature attribute to be a numeric
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public static List<io.siddhi.core.executor.VariableExpressionExecutor> extractAndValidateFeatures(io.siddhi.query.api.definition.AbstractDefinition inputDefinition, io.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors, int startIndex, int noOfFeatures)
inputDefinition
- the incoming stream definitionattributeExpressionExecutors
- the executors of each function parametersstartIndex
- starting index of the feature attributesnoOfFeatures
- number of feature attributespublic static boolean isNumeric(io.siddhi.query.api.definition.Attribute.Type attributeType)
attributeType
- feature attribute typepublic static boolean isLabelType(io.siddhi.query.api.definition.Attribute.Type attributeType)
attributeType
- label feature attribute typepublic static io.siddhi.core.executor.VariableExpressionExecutor extractAndValidateClassLabel(io.siddhi.query.api.definition.AbstractDefinition inputDefinition, io.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors, int classIndex)
inputDefinition
- the incoming stream definitionattributeExpressionExecutors
- the executors of each function parametersclassIndex
- index of the class label attributeCopyright © 2019 WSO2. All rights reserved.