org.mmbase.bridge.implementation
Class BasicField

java.lang.Object
  org.mmbase.core.AbstractDescriptor
      org.mmbase.core.AbstractField
          org.mmbase.bridge.implementation.BasicField

All Implemented Interfaces:

Cloneable, Comparable, Descriptor, Field

public class BasicField

extends AbstractField

implements Field

Version:

$Id: BasicField.java,v 1.31 2006/07/11 09:30:26 michiel Exp $

Author:

Pierre van Rooden

Warning: No Java Documentation Available.

Field Summary

protected CoreField

coreField

Fields inherited from class org.mmbase.core.AbstractField

dataType, listItemType, readOnly, state, type

Fields inherited from class org.mmbase.core.AbstractDescriptor

description, guiName, key

Fields inherited from interface org.mmbase.bridge.Field

STATE_PERSISTENT, STATE_SYSTEM, STATE_SYSTEM_VIRTUAL, STATE_UNKNOWN, STATE_VIRTUAL, TYPE_BINARY, TYPE_BOOLEAN, TYPE_BYTE, TYPE_DATETIME, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INTEGER, TYPE_LIST, TYPE_LONG, TYPE_NODE, TYPE_STRING, TYPE_UNKNOWN, TYPE_XML

Constructor Summary

BasicField(Field field, NodeManager nodeManager)

Method Summary

protected Locale	getDefaultLocale() The locale wihch must be used if no locale is specified .
int	getEditPosition() Retrieve the position of the field when editing.
String	getGUIType() Returns the GUI name for the data type this field contains.
int	getListPosition() Retrieve the position of the field when listing.
int	getMaxLength() Returns the maximum length of data this field can contain.
NodeManager	getNodeManager() Returns the node manager this field belongs to.
int	getSearchPosition() Retrieve the position of the field when searching.
int	getStoragePosition() Retrieve the position of the field in the database table.
Collection	validate(Object value) Checks whether a given value is valid for this field.

Methods inherited from class org.mmbase.core.AbstractField

clone, clone, compareTo, equals, getDataType, getListItemType, getState, getType, hashCode, hasIndex, isReadOnly, isRequired, isTemporary, isUnique, isVirtual, setDataType, setState, toString

Methods inherited from class org.mmbase.core.AbstractDescriptor

clone, 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.Field

getDataType, getListItemType, getState, getType, hasIndex, isReadOnly, isRequired, isUnique, isVirtual

Methods inherited from interface org.mmbase.bridge.Descriptor

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

Field Detail

coreField

protected final CoreField coreField

Constructor Detail

BasicField

public BasicField(Field field,
                  NodeManager nodeManager)

Method Detail

getNodeManager

public NodeManager getNodeManager()

Description copied from interface: Field

Returns the node manager this field belongs to.

Specified by:

getNodeManager in interface Field

Specified by:

getNodeManager in class AbstractField

getSearchPosition

public int getSearchPosition()

Description copied from interface: Field

Retrieve the position of the field when searching. A value of -1 indicates the field is unavailable during search.

Specified by:

getSearchPosition in interface Field

Specified by:

getSearchPosition in class AbstractField

getListPosition

public int getListPosition()

Description copied from interface: Field

Retrieve the position of the field when listing. A value of -1 indicates the field is unavailable in a list.

Specified by:

getListPosition in interface Field

Specified by:

getListPosition in class AbstractField

getEditPosition

public int getEditPosition()

Description copied from interface: Field

Retrieve the position of the field when editing. A value of -1 indicates the field cannot be edited.

Specified by:

getEditPosition in interface Field

Specified by:

getEditPosition in class AbstractField

getStoragePosition

public int getStoragePosition()

Description copied from interface: Field

Retrieve the position of the field in the database table.

Specified by:

getStoragePosition in interface Field

Specified by:

getStoragePosition in class AbstractField

validate

public Collection validate(Object value)

Description copied from interface: Field

Checks whether a given value is valid for this field.

Specified by:

validate in interface Field

Returns:

Collection of error-strings (describing the problem) in the current locale, or an empty collection if the value is ok.

getMaxLength

public int getMaxLength()

Description copied from interface: Field

Returns the maximum length of data this field can contain. For example if a field contains characters the size indicates the maximum number of characters it can contain. If the field is a numeric field (such as an integer), the result is -1.

Specified by:

getMaxLength in interface Field

Specified by:

getMaxLength in class AbstractField

getDefaultLocale

protected Locale getDefaultLocale()

Description copied from class: AbstractDescriptor

The locale wihch must be used if no locale is specified . Returns null for the defaul of this. This method can be overriden if another more logical default is available. E.g. in BasicField, where the locale of the current cloud is returned here.

Overrides:

getDefaultLocale in class AbstractDescriptor

getGUIType

public String getGUIType()

Description copied from interface: Field

Returns the GUI name for the data type this field contains.

Specified by:

getGUIType in interface Field

Specified by:

getGUIType in class AbstractField