org.mmbase.datatypes
Class NumberDataType<E extends Number & Comparable<E>>

java.lang.Object
  org.mmbase.core.AbstractDescriptor
      org.mmbase.datatypes.BasicDataType<E>
          org.mmbase.datatypes.ComparableDataType<E>
              org.mmbase.datatypes.NumberDataType<E>

All Implemented Interfaces:

Serializable, Cloneable, Comparable<DataType<E>>, Descriptor, DataType<E>, PublicCloneable<AbstractDescriptor>

Direct Known Subclasses:

DecimalDataType, DoubleDataType, FloatDataType, IntegerDataType, LongDataType

public abstract class NumberDataType<E extends Number & Comparable<E>>
extends ComparableDataType<E>

A DataType representing some kind of numeric value, like a floating point number or an integer number.

Since:

MMBase-1.8

Version:

$Id: NumberDataType.java 40244 2009-12-14 15:28:46Z michiel $

Author:

Pierre van Rooden

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.mmbase.datatypes.ComparableDataType

ComparableDataType.MaxRestriction, ComparableDataType.MinRestriction

Nested classes/interfaces inherited from class org.mmbase.datatypes.BasicDataType

BasicDataType.AbstractRestriction<D extends Serializable>, BasicDataType.DataTypeComparator<D>, BasicDataType.EnumerationRestriction, BasicDataType.RequiredRestriction, BasicDataType.RestrictedEnumerationIterator, BasicDataType.StaticAbstractRestriction<D extends Serializable>, BasicDataType.TypeRestriction, BasicDataType.UniqueRestriction

Nested classes/interfaces inherited from interface org.mmbase.datatypes.DataType

DataType.Restriction<D extends Serializable>

Field Summary

(package private) boolean

allowSpecialNumbers

Fields inherited from class org.mmbase.datatypes.ComparableDataType

maxRestriction, minRestriction

Fields inherited from class org.mmbase.datatypes.BasicDataType

DATATYPE_BUNDLE, defaultValue, enumerationRestriction, origin, requiredRestriction, typeRestriction, uniqueRestriction

Fields inherited from class org.mmbase.core.AbstractDescriptor

description, guiName, key

Fields inherited from interface org.mmbase.datatypes.DataType

ENFORCE_ABSOLUTE, ENFORCE_ALWAYS, ENFORCE_NEVER, ENFORCE_ONCHANGE, ENFORCE_ONCREATE, ENFORCE_ONVALIDATE, PROCESS_GET, PROCESS_SET, VALID, XMLNS

Constructor Summary

NumberDataType(String name, Class<E> classType)
Constructor for Number field.

Method Summary

protected E	cast(Object value, Cloud cloud, Node node, Field field) Utility to avoid repetitive calling of getCloud
protected Number	castString(Object preCast, Cloud cloud)
protected Object	castToValidate(Object value, Node node, Field field) Before validating the value, the value will be 'cast', on default this will be to the 'correct' type, but it can be a more generic type sometimes.
void	setAllowSpecialNumbers(boolean sn)
protected Number	toNumber(String s)

Methods inherited from class org.mmbase.datatypes.ComparableDataType

clone, cloneRestrictions, compare, first, getComparator, getDefaultValue, getEnforceStrength, getMaxRestriction, getMinRestriction, inheritRestrictions, isMaxInclusive, isMinInclusive, setMax, setMin, toStringBuilder, toXml, validateCastValue

Methods inherited from class org.mmbase.datatypes.BasicDataType

addErrorDescription, addRestriction, addRestriction, addStyleClass, cast, castAndValidate, castForSearch, castOrException, castToPresent, checkType, clone, compareTo, edit, equals, finish, finish, getBaseType, getBaseTypeIdentifier, getCloud, getCloud, getCommitProcessor, getDefaultProcessor, getDefaultValue, getDeleteProcessor, getElement, getElement, getEnforceString, getEnumerationFactory, getEnumerationRestriction, getEnumerationValue, getEnumerationValues, getHandler, getHandlers, getOrigin, getProcessor, getProcessor, getProcessorWithoutDefault, getRequiredRestriction, getRestrictions, getStyleClasses, getTypeAsClass, getUniqueRestriction, hashCode, inherit, inheritProperties, isCorrectType, isFinished, isRequired, isUnique, preCast, preCast, preCast, rewrite, setCommitProcessor, setDefaultProcessor, setDefaultValue, setDeleteProcessor, setProcessor, setProcessor, setRequired, setUnique, setXml, toString, toXml, validate, validate, validateCastValueOrNull, validateRequired, xmlValue

Methods inherited from class org.mmbase.core.AbstractDescriptor

getDefaultLocale, getDescription, getDescription, getGUIName, getGUIName, getLocalizedDescription, getLocalizedGUIName, getName, setDescription, setDescription, setGUIName, setGUIName, setLocalizedDescription, setLocalizedGUIName

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.mmbase.bridge.Descriptor

getDescription, getDescription, getGUIName, getGUIName, getLocalizedDescription, getLocalizedGUIName, getName, setDescription, setDescription, setGUIName, setGUIName

Field Detail

allowSpecialNumbers

boolean allowSpecialNumbers

Constructor Detail

NumberDataType

public NumberDataType(String name,
                      Class<E> classType)

Constructor for Number field.

Method Detail

setAllowSpecialNumbers

public void setAllowSpecialNumbers(boolean sn)

Since:

MMBase-1.9.2

toNumber

protected Number toNumber(String s)
                   throws CastException

Throws:

CastException

Since:

MMBase-1.9.2

castString

protected Number castString(Object preCast,
                            Cloud cloud)
                     throws CastException

Throws:

CastException

castToValidate

protected Object castToValidate(Object value,
                                Node node,
                                Field field)
                         throws CastException

Description copied from class: BasicDataType

Before validating the value, the value will be 'cast', on default this will be to the 'correct' type, but it can be a more generic type sometimes. E.g. for numbers this wil simply cast to Number.

Overrides:

castToValidate in class BasicDataType<E extends Number & Comparable<E>>

Throws:

CastException

Since:

MMBase-1.9

cast

protected E cast(Object value,
                 Cloud cloud,
                 Node node,
                 Field field)
                                        throws CastException

Description copied from class: BasicDataType

Utility to avoid repetitive calling of getCloud

Overrides:

cast in class BasicDataType<E extends Number & Comparable<E>>

Throws:

CastException