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net.liftweb.mapper.MappedNullableField

trait MappedNullableField

trait MappedNullableField[NullableFieldType, OwnerType <: Mapper[OwnerType]]

 extends MappedField[Box[NullableFieldType], OwnerType]

A Mapped field that is Nullable in the database. Will return Empty box for NULL values and Full for non-null values


Source: MappedField.scala(323)

Direct Known Subclasses

MappedNullableLong,

 Fields

_dbColumnNameLC.. final def _dbColumnNameLC
The forced lower case column names
String BaseMappedField
_toForm.. override def _toForm
Create an input field for the item
Box[NodeSeq] MappedField
allFields.. def allFields Seq[BaseField] BaseField
asHtml.. override def asHtml Node MappedField
asJsExp.. abstract def asJsExp JsExp BaseMappedField
asJsonField.. def asJsonField Box[JField] BaseMappedField
asJsonValue.. abstract def asJsonValue Box[JValue] BaseMappedField
asString.. def asString
Return the field name and field value, delimited by an '='
String MappedField
calcFieldName.. def calcFieldName String MappedField
dbAutogenerated_?.. def dbAutogenerated_?
Is the primary key autogenerated
Boolean BaseMappedField
dbColumnCount.. def dbColumnCount
The number of database columns that this field represents
Int MappedField
dbColumnName.. def dbColumnName String MappedField
dbDisplay_?.. def dbDisplay_? Boolean BaseMappedField
dbFieldClass.. abstract def dbFieldClass
What is the real class that corresponds to FieldType
Class[FieldType] TypedField
dbForeignKey_?.. def dbForeignKey_?
Is the field a foreign key reference
Boolean MappedField
dbIgnoreSQLType_?.. def dbIgnoreSQLType_?
Do we ignore the targetSQLType for setObject
Boolean BaseMappedField
dbIncludeInForm_?.. def dbIncludeInForm_? Boolean BaseMappedField
dbIndexFieldIndicatesSaved_?.. def dbIndexFieldIndicatesSaved_?
override this method in indexed fields to indicate that the field has been saved
Boolean MappedField
dbIndexed_?.. def dbIndexed_?
Should the field be indexed?
Boolean MappedField
dbNotNull_?.. override final def dbNotNull_?
All fields of this type are NULLable
Boolean
dbPrimaryKey_?.. def dbPrimaryKey_?
Is the field the table's primary key
Boolean MappedField
dbSelectString.. def dbSelectString String MappedField
defaultValue.. abstract def defaultValue
The default value for the field
FieldType TypedField
dirty_?.. def dirty_?
Is the field dirty (has it been changed since the record was loaded from the database
Boolean MappedField
displayHtml.. def displayHtml NodeSeq ReadableField
displayName.. override def displayName
The display name of this field (e [details]
g., "First Name")
String MappedField
displayNameHtml.. def displayNameHtml Box[NodeSeq] ReadableField
fieldId.. def fieldId Option[NodeSeq] SettableField
fieldOwner.. abstract def fieldOwner
Return the owner of this field
OwnerType MappedField
get.. def get
An alternative getter
FieldType MappedField
helpAsHtml.. def helpAsHtml Box[NodeSeq] SettableField
i_is_!.. protected abstract def i_is_!
The actual value of the field
FieldType MappedField
i_was_!.. protected abstract def i_was_!
The value of the field when it was pulled from the DB
FieldType MappedField
ignoreField_?.. def ignoreField_?
Should the field be ignored by the OR Mapper?
Boolean MappedField
is.. def is
Convert the field to its "context free" type (e [details]
g., String, Int, Long, etc.) If there are no read permissions, the value will be obscured
FieldType MappedField
jdbcFriendly.. def jdbcFriendly
Get a JDBC friendly object for the part of this field that maps to the first column in the database
Object MappedField
name.. final def name
The name of this field
String MappedField
readPermission_?.. def readPermission_?
Given the current execution state, can the field be read?
Boolean MappedField
renderJs_?.. def renderJs_? Boolean BaseMappedField
required_?.. def required_? Boolean SettableField
safe_?.. final def safe_?
Are we in "safe" mode (i [details]
e., the value of the field can be read or written without any security checks.)
Boolean MappedField
show_?.. def show_? Boolean SettableField
targetSQLType.. abstract def targetSQLType
Get the JDBC SQL Type for this field
Int MappedField
toForm.. def toForm Box[NodeSeq] MappedField
toFormAppendedAttributes.. def toFormAppendedAttributes MetaData MappedField
uniqueFieldId.. override def uniqueFieldId
The unique field id is the field name and the mapper name
Box[String] MappedField
uploadField_?.. def uploadField_? Boolean SettableField
validate.. def validate List[FieldError] MappedField
was.. def was
What value was the field's value when it was pulled from the DB?
FieldType MappedField
writePermission_?.. def writePermission_?
Given the current execution state, can the field be written?
Boolean MappedField

 Methods

!=.. final def !=(arg0 : Any) Boolean Any
!=.. final def !=(arg0 : Object) Boolean AnyRef
:=.. def :=[Q](v : Q)(implicit view$3 : (Q) => FieldType) FieldType MappedField
:=.. def :=(v : FieldType) FieldType MappedField
==.. final def ==(arg0 : Object) Boolean AnyRef
==.. final def ==(arg0 : Any) Boolean Any
actualField.. def actualField(actual : OwnerType)
Get the field that this prototypical field represents [details]
param
actual - the object to find the field on
 MappedField[FieldType, OwnerType] MappedField
apply.. def apply(v : FieldType) OwnerType MappedField
apply.. def apply[Q](v : Q)(implicit view$2 : (Q) => FieldType) OwnerType MappedField
asInstanceOf.. final def asInstanceOf[T0] T0 Any
asJs.. def asJs List[(String, JsExp)] BaseMappedField
buildSetActualValue.. abstract def buildSetActualValue(accessor : Method, inst : Object, columnName : String) (OwnerType, Object) => Unit MappedField
buildSetBooleanValue.. abstract def buildSetBooleanValue(accessor : Method, columnName : String) (OwnerType, Boolean, Boolean) => Unit MappedField
buildSetDateValue.. abstract def buildSetDateValue(accessor : Method, columnName : String) (OwnerType, Date) => Unit MappedField
buildSetLongValue.. abstract def buildSetLongValue(accessor : Method, columnName : String) (OwnerType, Long, Boolean) => Unit MappedField
buildSetStringValue.. abstract def buildSetStringValue(accessor : Method, columnName : String) (OwnerType, String) => Unit MappedField
clone.. protected def clone Object AnyRef
convertToJDBCFriendly.. final def convertToJDBCFriendly(value : FieldType) Object MappedField
dbAddedColumn.. def dbAddedColumn
Called when a column has been added to the database via Schemifier
Box[() => Unit] MappedField
dbAddedIndex.. def dbAddedIndex
Called when a column has indexed via Schemifier
Box[() => Unit] MappedField
dbColumnNames.. def dbColumnNames(in : String) List[String] MappedField
dirty_?.. protected def dirty_?(b : Boolean)
Make the field dirty
Unit MappedField
doField.. protected def doField(inst : OwnerType, meth : Method, func : PartialFunction[MappedField[FieldType, OwnerType], Unit]) Unit MappedField
doneWithSave.. protected[mapper] abstract def doneWithSave
Called after the field is saved to the database
Unit BaseMappedField
eq.. final def eq(arg0 : Object) Boolean AnyRef
equals.. override def equals(other : Any)
Does the "right thing" comparing mapped fields
Boolean MappedField
fieldCreatorString.. def fieldCreatorString(dbType : DriverType)
Given the driver type, return a list of SQL creation strings for the columns represented by this field
List[String] MappedField
fieldCreatorString.. abstract def fieldCreatorString(dbType : DriverType, colName : String)
Given the driver type, return the string required to create the column in the database
String MappedField
finalize.. protected def finalize Unit AnyRef
getClass.. final def getClass Class[Any] AnyRef
getField.. protected def getField(inst : OwnerType, meth : Method) MappedField[FieldType, OwnerType] MappedField
hashCode.. override def hashCode Int MappedField
i_obscure_!.. protected abstract def i_obscure_!(in : FieldType)
Obscure the incoming value to a "safe" value (e [details]
g., if there are not enough rights to view the entire social security number 123-45-5678, this method might return ***-**-*678
FieldType MappedField
i_set_!.. protected final def i_set_!(value : FieldType) FieldType MappedField
isInstanceOf.. final def isInstanceOf[T0] Boolean Any
jdbcFriendly.. abstract def jdbcFriendly(field : String)
Get a JDBC friendly representation of the named field (this is used for MappedFields that correspond to more than 1 column in the database [details]
)
param
field - -- the name of the field being mapped to
 Object MappedField
ne.. final def ne(arg0 : Object) Boolean AnyRef
notNullAppender.. def notNullAppender String MappedField
notify.. final def notify Unit AnyRef
notifyAll.. final def notifyAll Unit AnyRef
real_convertToJDBCFriendly.. protected abstract def real_convertToJDBCFriendly(value : FieldType) Object MappedField
real_i_set_!.. protected abstract def real_i_set_!(value : FieldType)
Must be implemented to store the value of the field
FieldType MappedField
resetDirty.. def resetDirty Unit MappedField
runFilters.. def runFilters(in : FieldType, filter : List[(FieldType) => FieldType]) FieldType MappedField
set.. def set(value : FieldType)
Set the field to the value
FieldType MappedField
setFilter.. protected def setFilter
A list of functions that transform the value before it is set [details]
The transformations are also applied before the value is used in a query. Typical applications of this are trimming and/or toLowerCase-ing strings
List[(FieldType) => FieldType] MappedField
setFromAny.. abstract def setFromAny(value : Any)
Attempt to figure out what the incoming value is and set the field to that value [details]
Return true if the value could be assigned
FieldType MappedField
set_?.. def set_?(value : Box[FieldType])
Set the field to the Box value if the Box is Full
Box[FieldType] MappedField
synchronized.. final def synchronized[T0](arg0 : T0) T0 AnyRef
targetSQLType.. def targetSQLType(field : String)
Get the JDBC SQL Type for this field
Int MappedField
toString.. override def toString String MappedField
update.. def update[Q](v : Q)(implicit view$1 : (Q) => FieldType)
Assignment from the underlying type [details]
It's ugly, but:
field() = new_value
field set new_value
field.set(new_value)
are all the same
Unit MappedField
validations.. def validations List[(FieldType) => List[FieldError]] MappedField
wait.. final def wait(arg0 : Long) Unit AnyRef
wait.. final def wait Unit AnyRef
wait.. final def wait(arg0 : Long, arg1 : Int) Unit AnyRef
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