org.openlowcode.server.data.storage

Class DecimalStoredField

java.lang.Object

org.openlowcode.tools.misc.Named

org.openlowcode.server.data.storage.FieldSchema<E>

org.openlowcode.server.data.storage.StoredFieldSchema<java.math.BigDecimal>

org.openlowcode.server.data.storage.DecimalStoredField

All Implemented Interfaces:

NamedInterface

public class DecimalStoredField
extends StoredFieldSchema<java.math.BigDecimal>

A stored field in the database having a decimal precise payload (not a floating point).

Author:

Open Lowcode SAS

Nested Class Summary

Nested classes/interfaces inherited from class org.openlowcode.server.data.storage.StoredFieldSchema

StoredFieldSchema.Visitor

Constructor Summary

Constructors

Constructor and Description
DecimalStoredField(java.lang.String name, StoredTableSchema parent, int precision, int scale)

Method Summary

Modifier and Type	Method and Description
void	accept(StoredFieldSchema.Visitor visitor) gateway for a visitor
QueryCondition	buildQueryCondition(QueryOperator<java.math.BigDecimal> operator, java.math.BigDecimal value) build a simple query condition with this field
java.math.BigDecimal	castToType(java.lang.Object o)
java.math.BigDecimal	defaultValue()
java.math.BigDecimal	defaultValueAtColumnCreation() returns default value of the field
int	getPrecision()
int	getScale()
Field<java.math.BigDecimal>	initBlankField() this method returns a subclass of Field appropriate for the field schema

Methods inherited from class org.openlowcode.server.data.storage.StoredFieldSchema

getParent

Methods inherited from class org.openlowcode.server.data.storage.FieldSchema

toString

Methods inherited from class org.openlowcode.tools.misc.Named

changeName, cleanName, equals, getName

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DecimalStoredField

public DecimalStoredField(java.lang.String name,
                          StoredTableSchema parent,
                          int precision,
                          int scale)

Parameters:

name - name of the field in the databse

parent - table in the database

precision - precision in the sense of java BigDecimal (total number of figures in the decimal, e.g. 5 for '332.55'

scale - scale in the sense of java BigDecimal (number of figures after the dot, e.g. 2 for '332.55'

Method Detail

getPrecision

public int getPrecision()

Returns:

precision in the sense of java BigDecimal (total number of figures in the decimal, e.g. 5 for '332.55'

getScale

public int getScale()

Returns:

scale in the sense of java BigDecimal (number of figures after the dot, e.g. 2 for '332.55'

buildQueryCondition

public QueryCondition buildQueryCondition(QueryOperator<java.math.BigDecimal> operator,
                                          java.math.BigDecimal value)

Description copied from class: StoredFieldSchema

build a simple query condition with this field

Specified by:

buildQueryCondition in class StoredFieldSchema<java.math.BigDecimal>

Parameters:

operator - condition operator '='

value - value of the query condition

Returns:

accept

public void accept(StoredFieldSchema.Visitor visitor)

Description copied from class: StoredFieldSchema

gateway for a visitor

Specified by:

accept in class StoredFieldSchema<java.math.BigDecimal>

Parameters:

visitor - visitor

defaultValue

public java.math.BigDecimal defaultValue()

Specified by:

defaultValue in class StoredFieldSchema<java.math.BigDecimal>

Returns:

the default value

castToType

public java.math.BigDecimal castToType(java.lang.Object o)

Specified by:

castToType in class StoredFieldSchema<java.math.BigDecimal>

Parameters:

o - an uncasted object

Returns:

the object casted to the actual class, if class not good, throws a RuntimeException

initBlankField

public Field<java.math.BigDecimal> initBlankField()

Description copied from class: FieldSchema

this method returns a subclass of Field appropriate for the field schema

Specified by:

initBlankField in class FieldSchema<java.math.BigDecimal>

Returns:

the generated field with the default value

defaultValueAtColumnCreation

public java.math.BigDecimal defaultValueAtColumnCreation()

Description copied from class: StoredFieldSchema

returns default value of the field

Specified by:

defaultValueAtColumnCreation in class StoredFieldSchema<java.math.BigDecimal>

Returns:

the default value