Class/Object

com.johnsnowlabs.nlp.annotators

RegexMatcher

Related Docs: object RegexMatcher | package annotators

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class RegexMatcher extends AnnotatorApproach[RegexMatcherModel]

Uses a reference file to match a set of regular expressions and put them inside a provided key. File must be comma separated.

Matches regular expressions and maps them to specified values optionally provided

Rules are provided from external source file

Linear Supertypes
AnnotatorApproach[RegexMatcherModel], CanBeLazy, DefaultParamsWritable, MLWritable, HasOutputAnnotatorType, HasOutputAnnotationCol, HasInputAnnotationCols, Estimator[RegexMatcherModel], PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. RegexMatcher
  2. AnnotatorApproach
  3. CanBeLazy
  4. DefaultParamsWritable
  5. MLWritable
  6. HasOutputAnnotatorType
  7. HasOutputAnnotationCol
  8. HasInputAnnotationCols
  9. Estimator
  10. PipelineStage
  11. Logging
  12. Params
  13. Serializable
  14. Serializable
  15. Identifiable
  16. AnyRef
  17. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new RegexMatcher()

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  2. new RegexMatcher(uid: String)

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    uid

    internal element required for storing annotator to disk

Type Members

  1. type AnnotatorType = String

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    Definition Classes
    HasOutputAnnotatorType

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def $[T](param: Param[T]): T

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    Attributes
    protected
    Definition Classes
    Params
  4. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  5. def _fit(dataset: Dataset[_], recursiveStages: Option[PipelineModel]): RegexMatcherModel

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    Attributes
    protected
    Definition Classes
    AnnotatorApproach
  6. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  7. def beforeTraining(spark: SparkSession): Unit

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    Definition Classes
    AnnotatorApproach
  8. final def checkSchema(schema: StructType, inputAnnotatorType: String): Boolean

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    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  9. final def clear(param: Param[_]): RegexMatcher.this.type

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    Definition Classes
    Params
  10. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  11. final def copy(extra: ParamMap): Estimator[RegexMatcherModel]

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    Definition Classes
    AnnotatorApproach → Estimator → PipelineStage → Params
  12. def copyValues[T <: Params](to: T, extra: ParamMap): T

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    Attributes
    protected
    Definition Classes
    Params
  13. final def defaultCopy[T <: Params](extra: ParamMap): T

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    Attributes
    protected
    Definition Classes
    Params
  14. val description: String

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    Matches described regex rules that come in tuples in a text file

    Matches described regex rules that come in tuples in a text file

    Definition Classes
    RegexMatcherAnnotatorApproach
  15. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  16. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  17. def explainParam(param: Param[_]): String

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    Definition Classes
    Params
  18. def explainParams(): String

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    Definition Classes
    Params
  19. final def extractParamMap(): ParamMap

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    Definition Classes
    Params
  20. final def extractParamMap(extra: ParamMap): ParamMap

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    Definition Classes
    Params
  21. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  22. final def fit(dataset: Dataset[_]): RegexMatcherModel

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    Definition Classes
    AnnotatorApproach → Estimator
  23. def fit(dataset: Dataset[_], paramMaps: Array[ParamMap]): Seq[RegexMatcherModel]

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" )
  24. def fit(dataset: Dataset[_], paramMap: ParamMap): RegexMatcherModel

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" )
  25. def fit(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): RegexMatcherModel

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" ) @varargs()
  26. final def get[T](param: Param[T]): Option[T]

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    Definition Classes
    Params
  27. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  28. final def getDefault[T](param: Param[T]): Option[T]

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    Definition Classes
    Params
  29. def getInputCols: Array[String]

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    returns

    input annotations columns currently used

    Definition Classes
    HasInputAnnotationCols
  30. def getLazyAnnotator: Boolean

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    Definition Classes
    CanBeLazy
  31. final def getOrDefault[T](param: Param[T]): T

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    Definition Classes
    Params
  32. final def getOutputCol: String

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    Gets annotation column name going to generate

    Gets annotation column name going to generate

    Definition Classes
    HasOutputAnnotationCol
  33. def getParam(paramName: String): Param[Any]

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    Definition Classes
    Params
  34. def getStrategy: String

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    Can be any of MATCH_FIRST|MATCH_ALL|MATCH_COMPLETE

  35. final def hasDefault[T](param: Param[T]): Boolean

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    Definition Classes
    Params
  36. def hasParam(paramName: String): Boolean

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    Definition Classes
    Params
  37. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  38. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean

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    Attributes
    protected
    Definition Classes
    Logging
  39. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  40. val inputAnnotatorTypes: Array[AnnotatorType]

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    Input annotator type: DOCUMENT

    Input annotator type: DOCUMENT

    Definition Classes
    RegexMatcherHasInputAnnotationCols
  41. final val inputCols: StringArrayParam

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    columns that contain annotations necessary to run this annotator AnnotatorType is used both as input and output columns if not specified

    columns that contain annotations necessary to run this annotator AnnotatorType is used both as input and output columns if not specified

    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  42. final def isDefined(param: Param[_]): Boolean

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    Definition Classes
    Params
  43. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  44. final def isSet(param: Param[_]): Boolean

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    Definition Classes
    Params
  45. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging
  46. val lazyAnnotator: BooleanParam

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    Definition Classes
    CanBeLazy
  47. def log: Logger

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    Attributes
    protected
    Definition Classes
    Logging
  48. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  49. def logDebug(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  50. def logError(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  51. def logError(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  52. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  53. def logInfo(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  54. def logName: String

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    Attributes
    protected
    Definition Classes
    Logging
  55. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  56. def logTrace(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  57. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  58. def logWarning(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  59. def msgHelper(schema: StructType): String

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    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  60. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  61. final def notify(): Unit

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    Definition Classes
    AnyRef
  62. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  63. def onTrained(model: RegexMatcherModel, spark: SparkSession): Unit

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    Definition Classes
    AnnotatorApproach
  64. val outputAnnotatorType: AnnotatorType

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    Input annotator type: CHUNK

    Input annotator type: CHUNK

    Definition Classes
    RegexMatcherHasOutputAnnotatorType
  65. final val outputCol: Param[String]

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    Attributes
    protected
    Definition Classes
    HasOutputAnnotationCol
  66. lazy val params: Array[Param[_]]

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    Definition Classes
    Params
  67. val rules: ExternalResourceParam

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    external resource to rules, needs 'delimiter' in options

  68. def save(path: String): Unit

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    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )
  69. final def set(paramPair: ParamPair[_]): RegexMatcher.this.type

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    Attributes
    protected
    Definition Classes
    Params
  70. final def set(param: String, value: Any): RegexMatcher.this.type

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    Attributes
    protected
    Definition Classes
    Params
  71. final def set[T](param: Param[T], value: T): RegexMatcher.this.type

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    Definition Classes
    Params
  72. final def setDefault(paramPairs: ParamPair[_]*): RegexMatcher.this.type

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    Attributes
    protected
    Definition Classes
    Params
  73. final def setDefault[T](param: Param[T], value: T): RegexMatcher.this.type

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    Attributes
    protected
    Definition Classes
    Params
  74. final def setInputCols(value: String*): RegexMatcher.this.type

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    Definition Classes
    HasInputAnnotationCols
  75. final def setInputCols(value: Array[String]): RegexMatcher.this.type

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    Overrides required annotators column if different than default

    Overrides required annotators column if different than default

    Definition Classes
    HasInputAnnotationCols
  76. def setLazyAnnotator(value: Boolean): RegexMatcher.this.type

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    Definition Classes
    CanBeLazy
  77. final def setOutputCol(value: String): RegexMatcher.this.type

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    Overrides annotation column name when transforming

    Overrides annotation column name when transforming

    Definition Classes
    HasOutputAnnotationCol
  78. def setRules(path: String, delimiter: String, readAs: Format = ReadAs.TEXT, options: Map[String, String] = Map("format" -> "text")): RegexMatcher.this.type

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    Path to file containing a set of regex,key pair.

    Path to file containing a set of regex,key pair. readAs can be LINE_BY_LINE or SPARK_DATASET. options contain option passed to spark reader if readAs is SPARK_DATASET.

  79. def setRules(value: ExternalResource): RegexMatcher.this.type

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    Path to file containing a set of regex,key pair.

    Path to file containing a set of regex,key pair. readAs can be LINE_BY_LINE or SPARK_DATASET. options contain option passed to spark reader if readAs is SPARK_DATASET.

  80. def setStrategy(value: String): RegexMatcher.this.type

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    Can be any of MATCH_FIRST|MATCH_ALL|MATCH_COMPLETE

  81. val strategy: Param[String]

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    MATCH_ALL|MATCH_FIRST|MATCH_COMPLETE

  82. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  83. def toString(): String

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    Definition Classes
    Identifiable → AnyRef → Any
  84. def train(dataset: Dataset[_], recursivePipeline: Option[PipelineModel]): RegexMatcherModel

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    Definition Classes
    RegexMatcherAnnotatorApproach
  85. final def transformSchema(schema: StructType): StructType

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    requirement for pipeline transformation validation.

    requirement for pipeline transformation validation. It is called on fit()

    Definition Classes
    AnnotatorApproach → PipelineStage
  86. def transformSchema(schema: StructType, logging: Boolean): StructType

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    Attributes
    protected
    Definition Classes
    PipelineStage
    Annotations
    @DeveloperApi()
  87. val uid: String

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    internal element required for storing annotator to disk

    internal element required for storing annotator to disk

    Definition Classes
    RegexMatcher → Identifiable
  88. def validate(schema: StructType): Boolean

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    takes a Dataset and checks to see if all the required annotation types are present.

    takes a Dataset and checks to see if all the required annotation types are present.

    schema

    to be validated

    returns

    True if all the required types are present, else false

    Attributes
    protected
    Definition Classes
    AnnotatorApproach
  89. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  90. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  91. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  92. def write: MLWriter

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    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from CanBeLazy

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from HasOutputAnnotatorType

Inherited from HasOutputAnnotationCol

Inherited from HasInputAnnotationCols

Inherited from Estimator[RegexMatcherModel]

Inherited from PipelineStage

Inherited from Logging

Inherited from Params

Inherited from Serializable

Inherited from Serializable

Inherited from Identifiable

Inherited from AnyRef

Inherited from Any

Parameters

Annotator types

Required input and expected output annotator types

Members

Parameter setters

Parameter getters