/**
* ${@inheritDoc}.
*
* @see
* org.openstreetmap.osm.data.IDataSet#containsRelation(org.openstreetmap.osmosis.core.domain.v0_5.Relation)
*/
public boolean containsRelation(final Relation aR) {
if (myCachingDataSet.containsRelation(aR)) return true;
Relation n = myDataSource.getRelationByID(aR.getId());
if (n == null) return false;
myCachingDataSet.addRelation(n);
return true;
}
/**
* ${@inheritDoc}.
*
* @see org.openstreetmap.osm.data.IDataSet#getRelationByID(long)
*/
public Relation getRelationByID(final long aRelationID) {
Relation n = myCachingDataSet.getRelationByID(aRelationID);
if (n == null) {
n = myDataSource.getRelationByID(aRelationID);
if (n != null) myCachingDataSet.addRelation(n);
}
return n;
}
/**
* ${@inheritDoc}.
*
* @see
* org.openstreetmap.osm.data.IDataSet#getRelations(org.openstreetmap.osm.data.coordinates.Bounds)
*/
public Iterator<Relation> getRelations(final Bounds aBoundingBox) {
Iterator<Relation> n = myCachingDataSet.getRelations(aBoundingBox);
if (n == null || !n.hasNext()) {
n = myDataSource.getRelations(aBoundingBox);
if (n != null && n.hasNext()) {
LinkedList<Relation> nodes = new LinkedList<Relation>();
while (n.hasNext()) {
Relation node = n.next();
nodes.add(node);
myCachingDataSet.addRelation(node);
return nodes.iterator();
}
}
}
return n;
}
/**
* ${@inheritDoc}.
*
* @see
* org.openstreetmap.osm.data.IDataSet#addRelation(org.openstreetmap.osmosis.core.domain.v0_5.Relation)
*/
public void addRelation(final Relation aR) {
myCachingDataSet.addRelation(aR);
myDataSource.addRelation(aR);
}
