org.openstreetmap.josm.gui.conflict.tags

Class MultiValueResolutionDecision

java.lang.Object

org.openstreetmap.josm.gui.conflict.tags.MultiValueResolutionDecision

public class MultiValueResolutionDecision
extends Object

Represents a decision for a conflict due to multiple possible value for a tag.

Field Summary

Fields

Modifier and Type	Field and Description
private TagCollection	tags the collection of tags for which a decision is needed
private MultiValueDecisionType	type the type of decision
private String	value the selected value if type is MultiValueDecisionType.KEEP_ONE

Constructor Summary

Constructors

Constructor and Description
MultiValueResolutionDecision() constuctor
MultiValueResolutionDecision(TagCollection tags) Creates a new decision for the tag collection tags.

Method Summary

Modifier and Type	Method and Description
void	applyTo(Collection<? extends OsmPrimitive> primitives) Applies this resolution to a collection of primitives
void	applyTo(OsmPrimitive primitive) Applies the resolution to an OsmPrimitive
protected void	autoDecide() Tries to find the best decision based on the current values.
Command	buildChangeCommand(Collection<? extends OsmPrimitive> primitives) Builds a change command for applying this resolution to a collection of primitives
Command	buildChangeCommand(OsmPrimitive primitive) Builds a change command for applying this resolution to a primitive
boolean	canKeepAll() Replies true, if this resolution has more than 1 possible non-empty values
boolean	canKeepNone() Replies true if the empty value is a possible value in this resolution
String	getChosenValue() Replies the chosen value
MultiValueDecisionType	getDecisionType() Replies the type of the resolution
String	getKey() Replies the key of the tag to be resolved by this resolution
Tag	getResolution() Replies a tag representing the current resolution.
List<String>	getValues() Replies the list of possible, non empty values
boolean	isDecided() Replies true if this resolution is decided
void	keepAll() Apply the decision to keep all values
void	keepNone() Apply the decision to keep no value
void	keepOne(String value) Apply the decision to keep exactly one value
void	setNew(String value) sets a new value for this
void	undecide() marks this as undecided

Methods inherited from class java.lang.Object

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

Field Detail

type

private MultiValueDecisionType type

the type of decision

tags

private TagCollection tags

the collection of tags for which a decision is needed

value

private String value

the selected value if type is MultiValueDecisionType.KEEP_ONE

Constructor Detail

MultiValueResolutionDecision

public MultiValueResolutionDecision()

constuctor

MultiValueResolutionDecision

public MultiValueResolutionDecision(TagCollection tags)
                             throws IllegalArgumentException

Creates a new decision for the tag collection tags. All tags must have the same key.

Parameters:

tags - the tags. Must not be null.

Throws:

IllegalArgumentException - thrown if tags is null

IllegalArgumentException - thrown if there are more than one keys

IllegalArgumentException - thrown if tags is empty

Method Detail

autoDecide

protected void autoDecide()

Tries to find the best decision based on the current values.

keepNone

public void keepNone()

Apply the decision to keep no value

keepAll

public void keepAll()

Apply the decision to keep all values

keepOne

public void keepOne(String value)
             throws IllegalArgumentException,
                    IllegalStateException

Apply the decision to keep exactly one value

Parameters:

value - the value to keep

Throws:

IllegalArgumentException - thrown if value is null

IllegalStateException - thrown if value is not in the list of known values for this tag

setNew

public void setNew(String value)

sets a new value for this

Parameters:

value - the new vlaue

undecide

public void undecide()

marks this as undecided

getChosenValue

public String getChosenValue()
                      throws IllegalStateException

Replies the chosen value

Returns:

the chosen value

Throws:

IllegalStateException - thrown if this resolution is not yet decided

getValues

public List<String> getValues()

Replies the list of possible, non empty values

Returns:

the list of possible, non empty values

getKey

public String getKey()

Replies the key of the tag to be resolved by this resolution

Returns:

the key of the tag to be resolved by this resolution

canKeepNone

public boolean canKeepNone()

Replies true if the empty value is a possible value in this resolution

Returns:

true if the empty value is a possible value in this resolution

canKeepAll

public boolean canKeepAll()

Replies true, if this resolution has more than 1 possible non-empty values

Returns:

true, if this resolution has more than 1 possible non-empty values

isDecided

public boolean isDecided()

Replies true if this resolution is decided

Returns:

true if this resolution is decided

getDecisionType

public MultiValueDecisionType getDecisionType()

Replies the type of the resolution

Returns:

the type of the resolution

applyTo

public void applyTo(OsmPrimitive primitive)
             throws IllegalStateException

Applies the resolution to an OsmPrimitive

Parameters:

primitive - the primitive

Throws:

IllegalStateException - thrown if this resolution is not resolved yet

applyTo

public void applyTo(Collection<? extends OsmPrimitive> primitives)
             throws IllegalStateException

Applies this resolution to a collection of primitives

Parameters:

primitives - the collection of primitives

Throws:

IllegalStateException - thrown if this resolution is not resolved yet

buildChangeCommand

public Command buildChangeCommand(OsmPrimitive primitive)
                           throws IllegalArgumentException,
                                  IllegalStateException

Builds a change command for applying this resolution to a primitive

Parameters:

primitive - the primitive

Returns:

the change command

Throws:

IllegalArgumentException - thrown if primitive is null

IllegalStateException - thrown if this resolution is not resolved yet

buildChangeCommand

public Command buildChangeCommand(Collection<? extends OsmPrimitive> primitives)

Builds a change command for applying this resolution to a collection of primitives

Parameters:

primitives - the collection of primitives

Returns:

the change command

Throws:

IllegalArgumentException - thrown if primitives is null

IllegalStateException - thrown if this resolution is not resolved yet

getResolution

public Tag getResolution()

Replies a tag representing the current resolution. Null, if this resolution is not resolved yet.

Returns:

a tag representing the current resolution. Null, if this resolution is not resolved yet