io.prediction.data.storage

DataMap

class DataMap extends Serializable

A DataMap stores properties of the event or entity. Internally it is a Map whose keys are property names and values are corresponding JSON values respectively. Use the get method to retrieve the value of a mandatory property or use getOpt to retrieve the value of an optional property.

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Instance Constructors

  1. new DataMap(fields: Map[String, JValue])

    fields

    Map of property name to JValue

Value Members

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

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def ++(that: DataMap): DataMap

    Return a new DataMap with elements containing elements from the left hand side operand followed by elements from the right hand side operand.

    Return a new DataMap with elements containing elements from the left hand side operand followed by elements from the right hand side operand.

    that

    Right hand side DataMap

    returns

    A new DataMap

  5. def --(that: GenTraversableOnce[String]): DataMap

    Creates a new DataMap from this DataMap by removing all elements of another collection.

    Creates a new DataMap from this DataMap by removing all elements of another collection.

    that

    A collection containing the removed property names

    returns

    A new DataMap

  6. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  7. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  9. def canEqual(other: Any): Boolean

  10. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  11. def contains(name: String): Boolean

    Check if this DataMap contains a specific property.

    Check if this DataMap contains a specific property.

    name

    The property name

    returns

    Return true if the property exists, else false.

  12. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  13. def equals(other: Any): Boolean

    Definition Classes
    DataMap → AnyRef → Any
  14. def extract[T](implicit arg0: Manifest[T]): T

    Converts this DataMap to case class of type T.

    Converts this DataMap to case class of type T.

    returns

    the object of type T.

  15. val fields: Map[String, JValue]

    Map of property name to JValue

  16. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  17. def get[T](name: String, clazz: Class[T]): T

    Java-friendly method for getting the value of a property.

    Java-friendly method for getting the value of a property. Return null if the property does not exist.

    T

    The type of the property value

    name

    The property name

    clazz

    The class of the type of the property value

    returns

    Return the property value of type T

  18. def get[T](name: String)(implicit arg0: Manifest[T]): T

    Get the value of a mandatory property.

    Get the value of a mandatory property. Exception is thrown if the property does not exist.

    T

    The type of the property value

    name

    The property name

    returns

    Return the property value of type T

  19. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  20. def getOpt[T](name: String)(implicit arg0: Manifest[T]): Option[T]

    Get the value of an optional property.

    Get the value of an optional property. Return None if the property does not exist.

    T

    The type of the property value

    name

    The property name

    returns

    Return the property value of type Option[T]

  21. def getOrElse[T](name: String, default: T)(implicit arg0: Manifest[T]): T

    Get the value of an optional property.

    Get the value of an optional property. Return default value if the property does not exist.

    T

    The type of the property value

    name

    The property name

    default

    The default property value of type T

    returns

    Return the property value of type T

  22. def getStringList(name: String): List[String]

    Java-friendly method for getting a list of values of a property.

    Java-friendly method for getting a list of values of a property. Return null if the property does not exist.

    name

    The property name

    returns

    Return the list of property values

  23. def hashCode(): Int

    Definition Classes
    DataMap → AnyRef → Any
  24. def isEmpty: Boolean

    Tests whether the DataMap is empty.

    Tests whether the DataMap is empty.

    returns

    true if the DataMap is empty, false otherwise.

  25. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  26. def keySet: Set[String]

    Collects all property names of this DataMap in a set.

    Collects all property names of this DataMap in a set.

    returns

    a set containing all property names of this DataMap.

  27. final def ne(arg0: AnyRef): Boolean

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

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

    Definition Classes
    AnyRef
  30. def require(name: String): Unit

    Check the existence of a required property name.

    Check the existence of a required property name. Throw an exception if it does not exist.

    name

    The property name

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

    Definition Classes
    AnyRef
  32. def toJObject(): JObject

    Converts this DataMap to a JObject.

    Converts this DataMap to a JObject.

    returns

    the JObject initialized by this DataMap.

  33. def toList(): List[(String, JValue)]

    Converts this DataMap to a List.

    Converts this DataMap to a List.

    returns

    a list of (property name, JSON value) tuples.

  34. def toString(): String

    Definition Classes
    DataMap → AnyRef → Any
  35. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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