27693528866

Committed 17 Jun 2026 01:44PM UTC coverage: 26.673% (-0.3%) from 26.963%

Build # 27693528866

Build Type

Pull #484

github

Committed by

web-flow

Commit Message

Merge 4eef2b421 into 0f6281554

Pull Request Pull Request #484: Space-ref disambiguation: conflict notice, claimants overview, ref-pinned pages

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14.42

src/main/java/com/knowledgepixels/nanodash/domain/AbstractResourceWithProfile.java

package com.knowledgepixels.nanodash.domain;

import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import com.knowledgepixels.nanodash.ApiCache;
import com.knowledgepixels.nanodash.NanodashThreadPool;
import com.knowledgepixels.nanodash.QueryApiAccess;
import com.knowledgepixels.nanodash.ViewDisplay;
import com.knowledgepixels.nanodash.repository.SpaceRepository;
import com.knowledgepixels.nanodash.vocabulary.KPXL_TERMS;
import org.eclipse.rdf4j.model.IRI;
import org.nanopub.Nanopub;
import org.nanopub.extra.services.ApiResponse;
import org.nanopub.extra.services.ApiResponseEntry;
import org.nanopub.extra.services.QueryRef;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.Serializable;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Future;

/**
 * Abstract class representing a resource with a profile in the Nanodash application.
 * This class provides common functionality for resources that have associated profiles, such as spaces and users.
 */
public abstract class AbstractResourceWithProfile implements Serializable, ResourceWithProfile {

    private static final Logger logger = LoggerFactory.getLogger(AbstractResourceWithProfile.class);

    private static final Map<Class<?>, Map<String, AbstractResourceWithProfile>> instances = new ConcurrentHashMap<>();

    private final String id;
    private Space space;
    private ResourceWithProfile data = new ResourceWithProfile();
    private volatile boolean dataInitialized = false;
    private volatile boolean dataNeedsUpdate = true;
    private volatile Long runUpdateAfter = null;

    /**
     * Inner class to hold the data associated with a resource, including its view displays.
     */
    protected static class ResourceWithProfile implements Serializable {
        List<ViewDisplay> viewDisplays = new ArrayList<>();
    }

    /**
     * Checks if a resource with the given unique identifier exists in the system.
     *
     * @param id the unique identifier of the resource
     * @return true if a resource with the given id exists, false otherwise
     */
    public static boolean isResourceWithProfile(String id) {
        return get(id) != null;
    }

    /**
     * Retrieves an instance of AbstractResourceWithProfile by its unique identifier.
     *
     * @param id the unique identifier of the resource
     * @return the AbstractResourceWithProfile instance associated with the given id, or null if no such instance exists
     */
    public static AbstractResourceWithProfile get(String id) {
        for (Map<String, AbstractResourceWithProfile> map : instances.values()) {
            if (map.containsKey(id)) {
                return map.get(id);
            }
        }
        return null;
    }

    /**
     * Constructor for AbstractResourceWithProfile.
     *
     * @param id the unique identifier for this resource
     */
    protected AbstractResourceWithProfile(String id) {
        this.id = id;
        instances.computeIfAbsent(getClass(), k -> new ConcurrentHashMap<>()).put(id, this);
    }

    /**
     * Removes an instance of AbstractResourceWithProfile from the instances map based on its type and unique identifier.
     *
     * @param type the class type of the resource to remove
     * @param id   the unique identifier of the resource to remove
     */
    protected static void removeInstance(Class<?> type, String id) {
        Map<String, AbstractResourceWithProfile> map = instances.get(type);
        if (map != null) {
            map.remove(id);
        }
    }

    /**
     * Retrieves all instances of AbstractResourceWithProfile of a specific type.
     *
     * @param type the class type of the resources to retrieve
     * @return a map of resource IDs to AbstractResourceWithProfile instances of the specified type, or an empty map if no instances exist for that type
     */
    protected static Map<String, AbstractResourceWithProfile> getInstances(Class<?> type) {
        return instances.getOrDefault(type, Collections.emptyMap());
    }

    /**
     * Initializes the space for this resource.
     *
     * @param space the space to associate with this resource
     */
    protected void initSpace(Space space) {
        this.space = space;
        logger.info("Initialized space {} for resource {}", space.getId(), id);
    }

    @Override
    public String getId() {
        return id;
    }

    @Override
    public synchronized Future<?> triggerDataUpdate() {
        if (dataNeedsUpdate) {
            logger.info("Data needs update for resource {}, starting update thread", id);
            dataNeedsUpdate = false;
            return NanodashThreadPool.submit(() -> {
                try {
                    if (runUpdateAfter != null) {
                        while (System.currentTimeMillis() < runUpdateAfter) {
                            Thread.sleep(100);
                        }
                        runUpdateAfter = null;
                    }

                    ResourceWithProfile newData = new ResourceWithProfile();

                    // The query returns both standalone view displays (bound ?display) and
                    // preset-supplied views (issue #302: unbound ?display, the assignment's
                    // preset expanded into its views server-side), already ordered by date
                    // (latest first) so the per-view-kind latest-wins / deactivation
                    // aggregation in getViewDisplays() resolves overrides between presets and
                    // standalone displays correctly, in either direction.
                    // For a space, scope the displays to its representative ref (root nanopub) so a
                    // multi-ref identifier doesn't merge displays across rival definitions; other
                    // resource kinds (and spaces with no known ref root) stay IRI-keyed.
                    String vdRefRoot = getViewDisplayRefRoot();
                    QueryRef vdQuery = (vdRefRoot != null && !vdRefRoot.isEmpty())
                            ? viewDisplaysRefQueryRef(vdRefRoot)
                            : new QueryRef(QueryApiAccess.GET_VIEW_DISPLAYS, "resource", id);
                    newData.viewDisplays.addAll(buildViewDisplays(vdQuery));
                    data = newData;
                    dataInitialized = true;
                } catch (Exception ex) {
                    logger.error("Error while trying to update data for resource {}", id, ex);
                    dataNeedsUpdate = true;
                }
            });
        }
        return null;
    }

    /**
     * Forces a refresh of the resource data after a specified delay.
     *
     * @param waitMillis the delay in milliseconds before the data refresh is triggered
     */
    public void forceRefresh(long waitMillis) {
        logger.info("Forcing refresh of resource {} after {} ms", id, waitMillis);
        dataNeedsUpdate = true;
        dataInitialized = false;
        runUpdateAfter = System.currentTimeMillis() + waitMillis;
    }

    /**
     * Static method to force a refresh of the resource data for all instances of AbstractResourceWithProfile.
     */
    public static void refresh() {
        instances.values().forEach(map -> map.values().forEach(AbstractResourceWithProfile::setDataNeedsUpdate));
    }

    @Override
    public Long getRunUpdateAfter() {
        return runUpdateAfter;
    }

    @Override
    public Space getSpace() {
        return space;
    }

    @Override
    public abstract String getNanopubId();

    @Override
    public abstract Nanopub getNanopub();

    public abstract String getNamespace();

    @Override
    public void setDataNeedsUpdate() {
        dataNeedsUpdate = true;
    }

    @Override
    public boolean isDataInitialized() {
        triggerDataUpdate();
        return dataInitialized;
    }

    @Override
    public List<ViewDisplay> getViewDisplays() {
        logger.info("Getting view displays for resource {}", id);
        return data.viewDisplays;
    }

    @Override
    public List<ViewDisplay> getTopLevelViewDisplays() {
        // Pass the resource's own type(s) so that views targeting that type (e.g. a
        // messages view for gen:MaintainedResource) are shown at the top level, while
        // views targeting part types (e.g. gen:hasViewTargetClass owl:Class) are not.
        return getViewDisplays(true, getId(), getOwnClasses());
    }

    /**
     * The resource's own type IRI(s), used to match top-level views by
     * {@code gen:appliesToInstancesOf}. Empty by default; overridden per resource type.
     *
     * @return the resource's own classes (never null)
     */
    protected Set<IRI> getOwnClasses() {
        return Collections.emptySet();
    }

    @Override
    public List<ViewDisplay> getPartLevelViewDisplays(String resourceId, Set<IRI> classes) {
        return getViewDisplays(false, resourceId, classes);
    }

    private List<ViewDisplay> getViewDisplays(boolean toplevel, String resourceId, Set<IRI> classes) {
        triggerDataUpdate();
        return filterViewDisplays(getViewDisplays(), toplevel, resourceId, classes);
    }

    /**
     * Top-level view displays scoped to a specific space ref (root nanopub), fetched on demand
     * rather than from the IRI-keyed singleton data — used to render the Content tab of a
     * {@code ?root=}-pinned space page so it shows only that ref's displays. Falls back to the
     * default (singleton) displays when {@code refRoot} is null/empty. See docs/space-ref-identity.md.
     *
     * @param refRoot the ref's root nanopub, or null/empty for the default
     * @return the ref-scoped top-level view displays
     */
    public List<ViewDisplay> getTopLevelViewDisplays(String refRoot) {
        if (refRoot == null || refRoot.isEmpty()) return getTopLevelViewDisplays();
        return filterViewDisplays(buildViewDisplays(viewDisplaysRefQueryRef(refRoot)), true, getId(), getOwnClasses());
    }

    private List<ViewDisplay> filterViewDisplays(List<ViewDisplay> source, boolean toplevel, String resourceId, Set<IRI> classes) {
        List<ViewDisplay> viewDisplays = new ArrayList<>();
        Set<IRI> viewKinds = new HashSet<>();

        // Results are sorted by date (most recent first); only the most recent per view-kind is considered
        for (ViewDisplay vd : source) {
            IRI kind = vd.getViewKindIri();
            if (kind != null) {
                if (viewKinds.contains(kind)) {
                    continue;
                }
                viewKinds.add(kind);
            }

            if (vd.hasType(KPXL_TERMS.DEACTIVATED_VIEW_DISPLAY)) {
                continue;
            }

            if (!toplevel && vd.hasType(KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY)) {
                // Deprecated
                // do nothing
            } else if (vd.appliesTo(resourceId, classes)) {
                viewDisplays.add(vd);
            } else if (toplevel && vd.hasType(KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY)) {
                // Deprecated
                viewDisplays.add(vd);
            }
        }

        Collections.sort(viewDisplays);
        return viewDisplays;
    }

    /**
     * Builds {@link ViewDisplay} objects from a get-view-displays(-ref) query result (standalone
     * displays with a bound {@code ?display}, and preset-supplied views with an unbound one).
     */
    private List<ViewDisplay> buildViewDisplays(QueryRef ref) {
        List<ViewDisplay> list = new ArrayList<>();
        ApiResponse response = ApiCache.retrieveResponseSync(ref, true);
        // Null on a cold cache or a failed (flaky federated) fetch — yield nothing for now; the
        // cache refreshes asynchronously and the page's auto-refresh repopulates it.
        if (response == null) return list;
        for (ApiResponseEntry r : response.getData()) {
            try {
                String display = r.get("display");
                if (display != null && !display.isEmpty()) {
                    // The query resolves ?view to its latest version server-side, so
                    // pass it through to avoid a separate per-view latest-version lookup.
                    list.add(ViewDisplay.get(display, r.get("view")));
                } else {
                    String view = r.get("view");
                    if (view == null || view.isEmpty()) continue;
                    boolean topLevel = KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY.stringValue().equals(r.get("displayType"));
                    boolean deactivated = KPXL_TERMS.DEACTIVATED_PRESET_ASSIGNMENT.stringValue().equals(r.get("displayMode"));
                    ViewDisplay vd = ViewDisplay.forPresetView(id, view, topLevel, deactivated);
                    if (vd != null) list.add(vd);
                }
            } catch (IllegalArgumentException ex) {
                logger.error("Couldn't generate view display object", ex);
            }
        }
        return list;
    }

    private QueryRef viewDisplaysRefQueryRef(String refRoot) {
        Multimap<String, String> params = ArrayListMultimap.create();
        params.put("resource", id);
        params.put("root_np", refRoot);
        return new QueryRef(QueryApiAccess.GET_VIEW_DISPLAYS_REF, params);
    }

    /**
     * The root nanopub of the space ref the resource's view displays should be scoped to, or null
     * to use the IRI-keyed query (merged across refs). Null by default; {@link Space} overrides it
     * to its representative ref so a multi-ref identifier doesn't merge Content-tab displays.
     *
     * @return the ref's root nanopub, or null
     */
    protected String getViewDisplayRefRoot() {
        return null;
    }

    @Override
    public abstract String getLabel();

    @Override
    public String toString() {
        return id;
    }

    /**
     * Gets the chain of superspaces from the current space up to the root space.
     *
     * @return the list of superspaces from the given space to the root space
     */
    @Override
    public List<AbstractResourceWithProfile> getAllSuperSpacesUntilRoot() {
        List<AbstractResourceWithProfile> chain = new ArrayList<>();
        Set<String> visited = new HashSet<>();
        collectAncestors(space, chain, visited);
        Collections.reverse(chain);
        return chain;
    }

    private void collectAncestors(Space current, List<AbstractResourceWithProfile> chain, Set<String> visited) {
        if (current == null) {
            return;
        }
        List<Space> parents = SpaceRepository.get().findSuperspaces(current);
        if (parents == null || parents.isEmpty()) {
            return;
        }
        Space parent = parents.getFirst();
        if (parent == null) {
            return;
        }
        String pid = parent.getId();
        if (pid == null || !visited.add(pid)) {
            return;
        }
        chain.add(parent);
        collectAncestors(parent, chain, visited);
    }

    /**
     * Checks if any view display of this resource applies to the given element ID and set of classes by triggering a data update and checking each view display for applicability.
     *
     * @param elementId the ID of the element to check for applicability
     * @param classes   the set of classes to check for applicability
     * @return true if any view display of this resource applies to the given element ID and set of classes, false otherwise
     */
    public boolean appliesTo(String elementId, Set<IRI> classes) {
        triggerDataUpdate();
        for (ViewDisplay v : getViewDisplays()) {
            if (v.appliesTo(elementId, classes)) {
                return true;
            }
        }
        return false;
    }

}

1	package com.knowledgepixels.nanodash.domain;
2
3	import com.google.common.collect.ArrayListMultimap;
4	import com.google.common.collect.Multimap;
5	import com.knowledgepixels.nanodash.ApiCache;
6	import com.knowledgepixels.nanodash.NanodashThreadPool;
7	import com.knowledgepixels.nanodash.QueryApiAccess;
8	import com.knowledgepixels.nanodash.ViewDisplay;
9	import com.knowledgepixels.nanodash.repository.SpaceRepository;
10	import com.knowledgepixels.nanodash.vocabulary.KPXL_TERMS;
11	import org.eclipse.rdf4j.model.IRI;
12	import org.nanopub.Nanopub;
13	import org.nanopub.extra.services.ApiResponse;
14	import org.nanopub.extra.services.ApiResponseEntry;
15	import org.nanopub.extra.services.QueryRef;
16	import org.slf4j.Logger;
17	import org.slf4j.LoggerFactory;
18
19	import java.io.Serializable;
20	import java.util.*;
21	import java.util.concurrent.ConcurrentHashMap;
22	import java.util.concurrent.Future;
23
24	/**
25	* Abstract class representing a resource with a profile in the Nanodash application.
26	* This class provides common functionality for resources that have associated profiles, such as spaces and users.
27	*/
28	public abstract class AbstractResourceWithProfile implements Serializable, ResourceWithProfile {
29
30	private static final Logger logger = LoggerFactory.getLogger(AbstractResourceWithProfile.class);	9✔
31
32	private static final Map<Class<?>, Map<String, AbstractResourceWithProfile>> instances = new ConcurrentHashMap<>();	15✔
33
34	private final String id;
35	private Space space;
36	private ResourceWithProfile data = new ResourceWithProfile();	15✔
37	private volatile boolean dataInitialized = false;	9✔
38	private volatile boolean dataNeedsUpdate = true;	9✔
39	private volatile Long runUpdateAfter = null;	9✔
40
41	/**
42	* Inner class to hold the data associated with a resource, including its view displays.
43	*/
44	protected static class ResourceWithProfile implements Serializable {	6✔
45	List<ViewDisplay> viewDisplays = new ArrayList<>();	18✔
46	}
47
48	/**
49	* Checks if a resource with the given unique identifier exists in the system.
50	*
51	* @param id the unique identifier of the resource
52	* @return true if a resource with the given id exists, false otherwise
53	*/
54	public static boolean isResourceWithProfile(String id) {
55	return get(id) != null;	×
56	}
57
58	/**
59	* Retrieves an instance of AbstractResourceWithProfile by its unique identifier.
60	*
61	* @param id the unique identifier of the resource
62	* @return the AbstractResourceWithProfile instance associated with the given id, or null if no such instance exists
63	*/
64	public static AbstractResourceWithProfile get(String id) {
65	for (Map<String, AbstractResourceWithProfile> map : instances.values()) {	33✔
66	if (map.containsKey(id)) {	12✔
67	return map.get(id);	5✔
68	}
69	}	3✔
70	return null;	6✔
71	}
72
73	/**
74	* Constructor for AbstractResourceWithProfile.
75	*
76	* @param id the unique identifier for this resource
77	*/
78	protected AbstractResourceWithProfile(String id) {	6✔
79	this.id = id;	9✔
80	instances.computeIfAbsent(getClass(), k -> new ConcurrentHashMap<>()).put(id, this);	42✔
81	}	3✔
82
83	/**
84	* Removes an instance of AbstractResourceWithProfile from the instances map based on its type and unique identifier.
85	*
86	* @param type the class type of the resource to remove
87	* @param id the unique identifier of the resource to remove
88	*/
89	protected static void removeInstance(Class<?> type, String id) {
90	Map<String, AbstractResourceWithProfile> map = instances.get(type);	×
91	if (map != null) {	×
92	map.remove(id);	×
93	}
94	}	×
95
96	/**
97	* Retrieves all instances of AbstractResourceWithProfile of a specific type.
98	*
99	* @param type the class type of the resources to retrieve
100	* @return a map of resource IDs to AbstractResourceWithProfile instances of the specified type, or an empty map if no instances exist for that type
101	*/
102	protected static Map<String, AbstractResourceWithProfile> getInstances(Class<?> type) {
103	return instances.getOrDefault(type, Collections.emptyMap());	18✔
104	}
105
106	/**
107	* Initializes the space for this resource.
108	*
109	* @param space the space to associate with this resource
110	*/
111	protected void initSpace(Space space) {
112	this.space = space;	9✔
113	logger.info("Initialized space {} for resource {}", space.getId(), id);	21✔
114	}	3✔
115
116	@Override
117	public String getId() {
118	return id;	9✔
119	}
120
121	@Override
122	public synchronized Future<?> triggerDataUpdate() {
123	if (dataNeedsUpdate) {	×
124	logger.info("Data needs update for resource {}, starting update thread", id);	×
125	dataNeedsUpdate = false;	×
126	return NanodashThreadPool.submit(() -> {	×
127	try {
128	if (runUpdateAfter != null) {	×
129	while (System.currentTimeMillis() < runUpdateAfter) {	×
130	Thread.sleep(100);	×
131	}
132	runUpdateAfter = null;	×
133	}
134
135	ResourceWithProfile newData = new ResourceWithProfile();	×
136
137	// The query returns both standalone view displays (bound ?display) and
138	// preset-supplied views (issue #302: unbound ?display, the assignment's
139	// preset expanded into its views server-side), already ordered by date
140	// (latest first) so the per-view-kind latest-wins / deactivation
141	// aggregation in getViewDisplays() resolves overrides between presets and
142	// standalone displays correctly, in either direction.
143	// For a space, scope the displays to its representative ref (root nanopub) so a
144	// multi-ref identifier doesn't merge displays across rival definitions; other
145	// resource kinds (and spaces with no known ref root) stay IRI-keyed.
146	String vdRefRoot = getViewDisplayRefRoot();	×
147	QueryRef vdQuery = (vdRefRoot != null && !vdRefRoot.isEmpty())	×
148	? viewDisplaysRefQueryRef(vdRefRoot)	×
149	: new QueryRef(QueryApiAccess.GET_VIEW_DISPLAYS, "resource", id);	×
150	newData.viewDisplays.addAll(buildViewDisplays(vdQuery));	×
151	data = newData;	×
152	dataInitialized = true;	×
153	} catch (Exception ex) {	×
154	logger.error("Error while trying to update data for resource {}", id, ex);	×
155	dataNeedsUpdate = true;	×
156	}	×
157	});	×
158	}
159	return null;	×
160	}
161
162	/**
163	* Forces a refresh of the resource data after a specified delay.
164	*
165	* @param waitMillis the delay in milliseconds before the data refresh is triggered
166	*/
167	public void forceRefresh(long waitMillis) {
168	logger.info("Forcing refresh of resource {} after {} ms", id, waitMillis);	×
169	dataNeedsUpdate = true;	×
170	dataInitialized = false;	×
171	runUpdateAfter = System.currentTimeMillis() + waitMillis;	×
172	}	×
173
174	/**
175	* Static method to force a refresh of the resource data for all instances of AbstractResourceWithProfile.
176	*/
177	public static void refresh() {
178	instances.values().forEach(map -> map.values().forEach(AbstractResourceWithProfile::setDataNeedsUpdate));	12✔
179	}	3✔
180
181	@Override
182	public Long getRunUpdateAfter() {
183	return runUpdateAfter;	×
184	}
185
186	@Override
187	public Space getSpace() {
188	return space;	×
189	}
190
191	@Override
192	public abstract String getNanopubId();
193
194	@Override
195	public abstract Nanopub getNanopub();
196
197	public abstract String getNamespace();
198
199	@Override
200	public void setDataNeedsUpdate() {
201	dataNeedsUpdate = true;	9✔
202	}	3✔
203
204	@Override
205	public boolean isDataInitialized() {
206	triggerDataUpdate();	×
207	return dataInitialized;	×
208	}
209
210	@Override
211	public List<ViewDisplay> getViewDisplays() {
212	logger.info("Getting view displays for resource {}", id);	×
213	return data.viewDisplays;	×
214	}
215
216	@Override
217	public List<ViewDisplay> getTopLevelViewDisplays() {
218	// Pass the resource's own type(s) so that views targeting that type (e.g. a
219	// messages view for gen:MaintainedResource) are shown at the top level, while
220	// views targeting part types (e.g. gen:hasViewTargetClass owl:Class) are not.
221	return getViewDisplays(true, getId(), getOwnClasses());	×
222	}
223
224	/**
225	* The resource's own type IRI(s), used to match top-level views by
226	* {@code gen:appliesToInstancesOf}. Empty by default; overridden per resource type.
227	*
228	* @return the resource's own classes (never null)
229	*/
230	protected Set<IRI> getOwnClasses() {
231	return Collections.emptySet();	×
232	}
233
234	@Override
235	public List<ViewDisplay> getPartLevelViewDisplays(String resourceId, Set<IRI> classes) {
236	return getViewDisplays(false, resourceId, classes);	×
237	}
238
239	private List<ViewDisplay> getViewDisplays(boolean toplevel, String resourceId, Set<IRI> classes) {
240	triggerDataUpdate();	×
241	return filterViewDisplays(getViewDisplays(), toplevel, resourceId, classes);	×
242	}
243
244	/**
245	* Top-level view displays scoped to a specific space ref (root nanopub), fetched on demand
246	* rather than from the IRI-keyed singleton data — used to render the Content tab of a
247	* {@code ?root=}-pinned space page so it shows only that ref's displays. Falls back to the
248	* default (singleton) displays when {@code refRoot} is null/empty. See docs/space-ref-identity.md.
249	*
250	* @param refRoot the ref's root nanopub, or null/empty for the default
251	* @return the ref-scoped top-level view displays
252	*/
253	public List<ViewDisplay> getTopLevelViewDisplays(String refRoot) {
254	if (refRoot == null \|\| refRoot.isEmpty()) return getTopLevelViewDisplays();	×
255	return filterViewDisplays(buildViewDisplays(viewDisplaysRefQueryRef(refRoot)), true, getId(), getOwnClasses());	×
256	}
257
258	private List<ViewDisplay> filterViewDisplays(List<ViewDisplay> source, boolean toplevel, String resourceId, Set<IRI> classes) {
259	List<ViewDisplay> viewDisplays = new ArrayList<>();	×
260	Set<IRI> viewKinds = new HashSet<>();	×
261
262	// Results are sorted by date (most recent first); only the most recent per view-kind is considered
263	for (ViewDisplay vd : source) {	×
264	IRI kind = vd.getViewKindIri();	×
265	if (kind != null) {	×
266	if (viewKinds.contains(kind)) {	×
267	continue;	×
268	}
269	viewKinds.add(kind);	×
270	}
271
272	if (vd.hasType(KPXL_TERMS.DEACTIVATED_VIEW_DISPLAY)) {	×
273	continue;	×
274	}
275
276	if (!toplevel && vd.hasType(KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY)) {	×
277	// Deprecated
278	// do nothing
279	} else if (vd.appliesTo(resourceId, classes)) {	×
280	viewDisplays.add(vd);	×
281	} else if (toplevel && vd.hasType(KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY)) {	×
282	// Deprecated
283	viewDisplays.add(vd);	×
284	}
285	}	×
286
287	Collections.sort(viewDisplays);	×
288	return viewDisplays;	×
289	}
290
291	/**
292	* Builds {@link ViewDisplay} objects from a get-view-displays(-ref) query result (standalone
293	* displays with a bound {@code ?display}, and preset-supplied views with an unbound one).
294	*/
295	private List<ViewDisplay> buildViewDisplays(QueryRef ref) {
296	List<ViewDisplay> list = new ArrayList<>();	×
297	ApiResponse response = ApiCache.retrieveResponseSync(ref, true);	×
298	// Null on a cold cache or a failed (flaky federated) fetch — yield nothing for now; the
299	// cache refreshes asynchronously and the page's auto-refresh repopulates it.
300	if (response == null) return list;	×
301	for (ApiResponseEntry r : response.getData()) {	×
302	try {
303	String display = r.get("display");	×
304	if (display != null && !display.isEmpty()) {	×
305	// The query resolves ?view to its latest version server-side, so
306	// pass it through to avoid a separate per-view latest-version lookup.
307	list.add(ViewDisplay.get(display, r.get("view")));	×
308	} else {
309	String view = r.get("view");	×
310	if (view == null \|\| view.isEmpty()) continue;	×
311	boolean topLevel = KPXL_TERMS.TOP_LEVEL_VIEW_DISPLAY.stringValue().equals(r.get("displayType"));	×
312	boolean deactivated = KPXL_TERMS.DEACTIVATED_PRESET_ASSIGNMENT.stringValue().equals(r.get("displayMode"));	×
313	ViewDisplay vd = ViewDisplay.forPresetView(id, view, topLevel, deactivated);	×
314	if (vd != null) list.add(vd);	×
315	}
316	} catch (IllegalArgumentException ex) {	×
317	logger.error("Couldn't generate view display object", ex);	×
318	}	×
319	}	×
320	return list;	×
321	}
322
323	private QueryRef viewDisplaysRefQueryRef(String refRoot) {
324	Multimap<String, String> params = ArrayListMultimap.create();	×
325	params.put("resource", id);	×
326	params.put("root_np", refRoot);	×
327	return new QueryRef(QueryApiAccess.GET_VIEW_DISPLAYS_REF, params);	×
328	}
329
330	/**
331	* The root nanopub of the space ref the resource's view displays should be scoped to, or null
332	* to use the IRI-keyed query (merged across refs). Null by default; {@link Space} overrides it
333	* to its representative ref so a multi-ref identifier doesn't merge Content-tab displays.
334	*
335	* @return the ref's root nanopub, or null
336	*/
337	protected String getViewDisplayRefRoot() {
338	return null;	×
339	}
340
341	@Override
342	public abstract String getLabel();
343
344	@Override
345	public String toString() {
346	return id;	×
347	}
348
349	/**
350	* Gets the chain of superspaces from the current space up to the root space.
351	*
352	* @return the list of superspaces from the given space to the root space
353	*/
354	@Override
355	public List<AbstractResourceWithProfile> getAllSuperSpacesUntilRoot() {
356	List<AbstractResourceWithProfile> chain = new ArrayList<>();	×
357	Set<String> visited = new HashSet<>();	×
358	collectAncestors(space, chain, visited);	×
359	Collections.reverse(chain);	×
360	return chain;	×
361	}
362
363	private void collectAncestors(Space current, List<AbstractResourceWithProfile> chain, Set<String> visited) {
364	if (current == null) {	×
365	return;	×
366	}
367	List<Space> parents = SpaceRepository.get().findSuperspaces(current);	×
368	if (parents == null \|\| parents.isEmpty()) {	×
369	return;	×
370	}
371	Space parent = parents.getFirst();	×
372	if (parent == null) {	×
373	return;	×
374	}
375	String pid = parent.getId();	×
376	if (pid == null \|\| !visited.add(pid)) {	×
377	return;	×
378	}
379	chain.add(parent);	×
380	collectAncestors(parent, chain, visited);	×
381	}	×
382
383	/**
384	* Checks if any view display of this resource applies to the given element ID and set of classes by triggering a data update and checking each view display for applicability.
385	*
386	* @param elementId the ID of the element to check for applicability
387	* @param classes the set of classes to check for applicability
388	* @return true if any view display of this resource applies to the given element ID and set of classes, false otherwise
389	*/
390	public boolean appliesTo(String elementId, Set<IRI> classes) {
391	triggerDataUpdate();	×
392	for (ViewDisplay v : getViewDisplays()) {	×
393	if (v.appliesTo(elementId, classes)) {	×
394	return true;	×
395	}
396	}	×
397	return false;	×
398	}
399
400	}

knowledgepixels / nanodash / 27693528866

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