org.mmbase.datatypes
Class DoubleDataType

java.lang.Object
  org.mmbase.bridge.util.AbstractDescriptor
      org.mmbase.datatypes.BasicDataType<E>
          org.mmbase.datatypes.ComparableDataType<E>
              org.mmbase.datatypes.NumberDataType<Double>
                  org.mmbase.datatypes.DoubleDataType

All Implemented Interfaces:

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

public class DoubleDataType
extends NumberDataType<Double>

DataType associated with Double, as NumberDataType, but provides getMin and getMax as double.

Since:

MMBase-1.8

Version:

$Id: DoubleDataType.java 45316 2011-02-18 20:47:28Z michiel $

Author:

Pierre van Rooden, Michiel Meeuwissen

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

Fields inherited from class org.mmbase.datatypes.NumberDataType

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.bridge.util.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

DoubleDataType(String name, boolean primitive)

Method Summary

Double	first() Returns a natural 'first' value.
double	getMax()
double	getMin()

Methods inherited from class org.mmbase.datatypes.NumberDataType

cast, castString, castToValidate, setAllowSpecialNumbers, toNumber

Methods inherited from class org.mmbase.datatypes.ComparableDataType

clone, cloneRestrictions, compare, 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.bridge.util.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

Constructor Detail

DoubleDataType

public DoubleDataType(String name,
                      boolean primitive)

Parameters:

primitive - indicate if a primitive type should be used

Method Detail

getMin

public double getMin()

Returns:

the minimum value as a double, or Double.NEGATIVE_INFINITY if there is no minimum.

getMax

public double getMax()

Returns:

the maximum value as a double, or Double.POSITIVE_INFINITY if there is no maximum.

first

public Double first()

Description copied from class: ComparableDataType

Returns a natural 'first' value. This may return some kind of 0

Specified by:

first in class ComparableDataType<Double>