com.google.gwt.core.ext

Class DefaultSelectionProperty

java.lang.Object

com.google.gwt.core.ext.DefaultSelectionProperty

All Implemented Interfaces:

SelectionProperty

public class DefaultSelectionProperty
extends Object
implements SelectionProperty

Default immutable implementation of SelectionProperty that receives its values in its constructor.

Constructor Summary

Constructors

Constructor and Description
DefaultSelectionProperty(String currentValue, String fallbackValue, String name, SortedSet<String> possibleValues) Construct a selection property.
DefaultSelectionProperty(String currentValue, String fallbackValue, String name, SortedSet<String> possibleValues, Map<String,? extends List<? extends Set<String>>> fallbackValueMap) Construct a selection property.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getCurrentValue() The value for the permutation currently being considered.
String	getFallbackValue() Gets the fallback value for the property.
List<? extends Set<String>>	getFallbackValues(String value) Returns the list of fall back values for a given value.
String	getName() The name of the property.
SortedSet<String>	getPossibleValues() Returns the possible values for the property in sorted order.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass

Constructor Detail

DefaultSelectionProperty

public DefaultSelectionProperty(String currentValue,
                                String fallbackValue,
                                String name,
                                SortedSet<String> possibleValues)

Construct a selection property.

Parameters:

currentValue - current value of this property, must not be null

fallbackValue - the fallback value to use, must not be null

name - the name of this property, must not be null

possibleValues - the set of possible values, must not be null and will be returned to callers, so a copy should be passed into this ctor if the caller will use this set later

DefaultSelectionProperty

public DefaultSelectionProperty(String currentValue,
                                String fallbackValue,
                                String name,
                                SortedSet<String> possibleValues,
                                Map<String,? extends List<? extends Set<String>>> fallbackValueMap)

Construct a selection property.

Parameters:

currentValue - current value of this property, must not be null

fallbackValue - the fallback value to use, must not be null

name - the name of this property, must not be null

possibleValues - the set of possible values, must not be null and will be returned to callers, so a copy should be passed into this ctor if the caller will use this set later

fallbackValueMap - the map propertyValue to fallback values

Method Detail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getCurrentValue

public String getCurrentValue()

Description copied from interface: SelectionProperty

The value for the permutation currently being considered.

Specified by:

getCurrentValue in interface SelectionProperty

Returns:

the property value as a String.

getFallbackValue

public String getFallbackValue()

Description copied from interface: SelectionProperty

Gets the fallback value for the property.

Specified by:

getFallbackValue in interface SelectionProperty

Returns:

the fallback, or ""

getFallbackValues

public List<? extends Set<String>> getFallbackValues(String value)

Description copied from interface: SelectionProperty

Returns the list of fall back values for a given value.

Specified by:

getFallbackValues in interface SelectionProperty

Parameters:

value - the property value

Returns:

the fall back list of values by increasing order of preference.

getName

public String getName()

Description copied from interface: SelectionProperty

The name of the property.

Specified by:

getName in interface SelectionProperty

Returns:

the property name as a String.

getPossibleValues

public SortedSet<String> getPossibleValues()

Description copied from interface: SelectionProperty

Returns the possible values for the property in sorted order.

Specified by:

getPossibleValues in interface SelectionProperty

Returns:

a SortedSet of Strings containing the possible property values.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object