117 lines
2.4 KiB
Java
117 lines
2.4 KiB
Java
package net.osmand.osm.edit;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import net.osmand.data.LatLon;
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public class Relation extends Entity {
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// lazy loading
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Map<EntityId, String> members = null;
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Map<Entity, String> memberEntities = null;
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public Relation(long id) {
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super(id);
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}
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public void addMember(Long id, EntityType type, String role){
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if(members == null){
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members = new LinkedHashMap<EntityId, String>();
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}
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members.put(new EntityId(type, id), role);
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}
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public String removeMember(EntityType e, Long id){
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if(members == null){
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return null;
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}
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return members.remove(id);
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}
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public String getRole(Entity e){
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return members.get(e.getId());
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}
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public String getRole(Long id){
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return members.get(id);
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}
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public Collection<EntityId> getMemberIds() {
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return getMemberIds(null);
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}
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public Map<EntityId, String> getMembersMap() {
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if(members == null){
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return Collections.emptyMap();
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}
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return Collections.unmodifiableMap(members);
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}
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public Collection<EntityId> getMemberIds(String role) {
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if (members == null) {
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return Collections.emptyList();
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}
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if (role == null) {
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return members.keySet();
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}
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List<EntityId> l = new ArrayList<EntityId>();
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for (EntityId m : members.keySet()) {
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if (role.equals(members.get(m))) {
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l.add(m);
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}
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}
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return l;
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}
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public Map<Entity, String> getMemberEntities() {
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if(memberEntities == null){
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return Collections.emptyMap();
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}
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return memberEntities;
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}
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public Collection<Entity> getMembers(String role) {
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if (memberEntities == null) {
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return Collections.emptyList();
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}
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if (role == null) {
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return memberEntities.keySet();
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}
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List<Entity> l = new ArrayList<Entity>();
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for (Entity m : memberEntities.keySet()) {
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if (role.equals(memberEntities.get(m))) {
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l.add(m);
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}
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}
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return l;
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}
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@Override
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public void initializeLinks(Map<EntityId, Entity> entities){
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if (members != null) {
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if(memberEntities == null){
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memberEntities = new LinkedHashMap<Entity, String>();
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} else {
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memberEntities.clear();
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}
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for(EntityId l : members.keySet()){
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if(l != null && entities.get(l) != null){
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memberEntities.put(entities.get(l), members.get(l));
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}
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}
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}
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}
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@Override
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public LatLon getLatLon() {
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return null;
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}
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}
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