class DefaultColumnMapper[T] extends ColumnMapper[T]
A ColumnMapper that assumes camel case naming convention for property accessors and constructor names and underscore naming convention for column names.
Example mapping:
case class User( login: String, // mapped to "login" column emailAddress: String // mapped to "email_address" column emailAddress2: String // mapped to "email_address_2" column )
Additionally, it is possible to name columns exactly the same as property names (case-sensitive):
case class TaxPayer( TIN: String // mapped to "TIN" column )
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Instance Constructors
- new DefaultColumnMapper(columnNameOverride: Map[String, String] = Map.empty)(implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T])
- columnNameOverride
maps property names to column names; use it to override default mapping for some properties
Value Members
- final def !=(arg0: Any): Boolean
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- @throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
- def columnMapForReading(struct: StructDef, selectedColumns: IndexedSeq[ColumnRef]): ColumnMapForReading
Provides a mapping between given table or UDT and properties of type
T, useful for creating objects of typeT.Provides a mapping between given table or UDT and properties of type
T, useful for creating objects of typeT. Throws IllegalArgumentException ifselectedColumnsdoes not provide some columns needed to instantiate object of typeT- Definition Classes
- DefaultColumnMapper → ColumnMapper
- def columnMapForWriting(struct: StructDef, selectedColumns: IndexedSeq[ColumnRef]): ColumnMapForWriting
Provides a mapping between given table or UDT and properties of type
T, useful for reading property values of typeTand writing them to Cassandra.Provides a mapping between given table or UDT and properties of type
T, useful for reading property values of typeTand writing them to Cassandra. Throws IllegalArgumentException ifselectedColumnscontains some columns that don't have matching getters.- Definition Classes
- DefaultColumnMapper → ColumnMapper
- def ctorParamToColumnName(paramName: String, columns: Map[String, ColumnRef]): Option[ColumnRef]
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- final def getClass(): Class[_ <: AnyRef]
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- @HotSpotIntrinsicCandidate() @native()
- def getterToColumnName(getterName: String, columns: Map[String, ColumnRef]): Option[ColumnRef]
- def hashCode(): Int
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- @HotSpotIntrinsicCandidate() @native()
- final def isInstanceOf[T0]: Boolean
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- final def ne(arg0: AnyRef): Boolean
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- def newTable(keyspaceName: String, tableName: String, protocolVersion: ProtocolVersion = ProtocolVersion.DEFAULT): TableDef
Provides a definition of the table that class
Tcould be saved to.Provides a definition of the table that class
Tcould be saved to.- Definition Classes
- DefaultColumnMapper → ColumnMapper
- final def notify(): Unit
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- @HotSpotIntrinsicCandidate() @native()
- final def notifyAll(): Unit
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- @HotSpotIntrinsicCandidate() @native()
- def setterToColumnName(setterName: String, columns: Map[String, ColumnRef]): Option[ColumnRef]
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
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- def finalize(): Unit
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- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)