Package org.openstreetmap.josm.data.osm

Class ChangesetDataSet

java.lang.Object

org.openstreetmap.josm.data.osm.ChangesetDataSet

public class ChangesetDataSet
extends java.lang.Object

A ChangesetDataSet holds the content of a changeset. Typically, a primitive is modified only once in a changeset, but if there are multiple modifications, the first and last are kept. Further intermediate versions are not kept.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ChangesetDataSet.ChangesetDataSetEntry	An entry in the changeset dataset.
static class	ChangesetDataSet.ChangesetModificationType	Type of primitive modification.
static class	ChangesetDataSet.DefaultChangesetDataSetEntry	Class to keep one entry of a changeset: the combination of modification type and primitive.
private static class	ChangesetDataSet.DefaultIterator

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Map<PrimitiveId,java.lang.Object>	entryMap	maps an id to either one ChangesetDataSet.ChangesetDataSetEntry or an array of ChangesetDataSet.ChangesetDataSetEntry

Constructor Summary

Constructors

Constructor	Description
ChangesetDataSet()

Method Summary

Modifier and Type	Method	Description
boolean	contains(PrimitiveId id)	Replies true if the changeset content contains the object with primitive id.
private ChangesetDataSet.ChangesetDataSetEntry	getEntry(PrimitiveId id, int n)
ChangesetDataSet.ChangesetDataSetEntry	getFirstEntry(PrimitiveId id)	Replies the first ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset.
java.util.Set<PrimitiveId>	getIds()	Returns an unmodifiable set of all primitives in this dataset.
ChangesetDataSet.ChangesetDataSetEntry	getLastEntry(PrimitiveId id)	Replies the last ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset.
ChangesetDataSet.ChangesetModificationType	getModificationType(PrimitiveId id)	Replies the last modification type for the object with id id.
HistoryOsmPrimitive	getPrimitive(PrimitiveId id)	Replies the HistoryOsmPrimitive with id id from this dataset.
boolean	isCreated(PrimitiveId id)	Replies true if the primitive with id id was created in this changeset.
boolean	isDeleted(PrimitiveId id)	Replies true if the primitive with id id was deleted in this changeset.
boolean	isUpdated(PrimitiveId id)	Replies true if the primitive with id id was updated in this changeset.
java.util.Iterator<ChangesetDataSet.ChangesetDataSetEntry>	iterator()	Returns an iterator over dataset entries.
void	put(HistoryOsmPrimitive primitive, ChangesetDataSet.ChangesetModificationType cmt)	Remembers a history primitive with the given modification type
int	size()	Replies the number of primitives in the dataset.

Methods inherited from class java.lang.Object

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

Field Detail

entryMap

private final java.util.Map<PrimitiveId,java.lang.Object> entryMap

maps an id to either one ChangesetDataSet.ChangesetDataSetEntry or an array of ChangesetDataSet.ChangesetDataSetEntry

Constructor Detail

ChangesetDataSet

public ChangesetDataSet()

Method Detail

put

public void put(HistoryOsmPrimitive primitive,
                ChangesetDataSet.ChangesetModificationType cmt)

Remembers a history primitive with the given modification type

Parameters:

primitive - the primitive. Must not be null.

cmt - the modification type. Must not be null.

Throws:

java.lang.IllegalArgumentException - if primitive is null

java.lang.IllegalArgumentException - if cmt is null

java.lang.IllegalArgumentException - if the same primitive was already stored with a higher or equal version

contains

public boolean contains(PrimitiveId id)

Replies true if the changeset content contains the object with primitive id.

Parameters:

id - the id.

Returns:

true if the changeset content contains the object with primitive id

getModificationType

public ChangesetDataSet.ChangesetModificationType getModificationType(PrimitiveId id)

Replies the last modification type for the object with id id. Replies null, if id is null or if the object with id id isn't in the changeset content.

Parameters:

id - the id

Returns:

the last modification type or null

isCreated

public boolean isCreated(PrimitiveId id)

Replies true if the primitive with id id was created in this changeset. Replies false, if id is null or not in the dataset.

Parameters:

id - the id

Returns:

true if the primitive with id id was created in this changeset.

isUpdated

public boolean isUpdated(PrimitiveId id)

Replies true if the primitive with id id was updated in this changeset. Replies false, if id is null or not in the dataset.

Parameters:

id - the id

Returns:

true if the primitive with id id was updated in this changeset.

isDeleted

public boolean isDeleted(PrimitiveId id)

Replies true if the primitive with id id was deleted in this changeset. Replies false, if id is null or not in the dataset.

Parameters:

id - the id

Returns:

true if the primitive with id id was deleted in this changeset.

size

public int size()

Replies the number of primitives in the dataset.

Returns:

the number of primitives in the dataset.

getPrimitive

public HistoryOsmPrimitive getPrimitive(PrimitiveId id)

Replies the HistoryOsmPrimitive with id id from this dataset. null, if there is no such primitive in the data set. If the primitive was modified multiple times, the last version is returned.

Parameters:

id - the id

Returns:

the HistoryOsmPrimitive with id id from this dataset

getIds

public java.util.Set<PrimitiveId> getIds()

Returns an unmodifiable set of all primitives in this dataset.

Returns:

an unmodifiable set of all primitives in this dataset.

Since:

14946

getFirstEntry

public ChangesetDataSet.ChangesetDataSetEntry getFirstEntry(PrimitiveId id)

Replies the first ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset. null, if there is no such primitive in the data set.

Parameters:

id - the id

Returns:

the first ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset or null.

Since:

14946

getLastEntry

public ChangesetDataSet.ChangesetDataSetEntry getLastEntry(PrimitiveId id)

Replies the last ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset. null, if there is no such primitive in the data set.

Parameters:

id - the id

Returns:

the last ChangesetDataSet.ChangesetDataSetEntry with id id from this dataset or null.

Since:

14946

getEntry

private ChangesetDataSet.ChangesetDataSetEntry getEntry(PrimitiveId id,
                                                        int n)

iterator

public java.util.Iterator<ChangesetDataSet.ChangesetDataSetEntry> iterator()

Returns an iterator over dataset entries. The elements are returned in no particular order.

Returns:

an iterator over dataset entries. If a primitive was changed multiple times, only the last entry is returned.