23138432878

Committed 16 Mar 2026 10:09AM UTC coverage: 15.99% (+0.2%) from 15.811%

Build # 23138432878

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #402 from knowledgepixels/fix/401-bounded-api-cache

Fix unbounded memory growth and resource exhaustion

Coverage Stats

717 of 5509 branches covered (13.02%)

Branch coverage included in aggregate %.

1810 of 10295 relevant lines covered (17.58%)

2.39 hits per line

Source File
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18.52

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

package com.knowledgepixels.nanodash.domain;

import com.knowledgepixels.nanodash.NanodashSession;
import com.knowledgepixels.nanodash.Utils;
import com.knowledgepixels.nanodash.ViewDisplay;
import org.eclipse.rdf4j.model.IRI;
import org.nanopub.Nanopub;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

import java.util.Set;
import java.util.concurrent.TimeUnit;

// TODO Merge this class with User or otherwise make them aligned.
public class IndividualAgent extends AbstractResourceWithProfile {

    private static final Cache<String, IndividualAgent> instanceMap = CacheBuilder.newBuilder()
        .maximumSize(10_000)
        .expireAfterAccess(24, TimeUnit.HOURS)
        .build();

    public static IndividualAgent get(String id) {
        IndividualAgent cached = instanceMap.getIfPresent(id);
        if (cached == null) {
            cached = new IndividualAgent(id);
            instanceMap.put(id, cached);
        }
        return cached;
    }

    private IndividualAgent(String id) {
        super(id);
    }

    /**
     * Checks if a given string represents a user ID.
     *
     * @param userId The string to check.
     * @return True if the string represents a user ID, false otherwise.
     */
    public static boolean isUser(String userId) {
        return User.getUserData().isUser(userId);
    }

    /**
     * Checks if a given IRI represents a software agent.
     *
     * @param userIri The IRI to check.
     * @return True if the IRI represents a software agent, false otherwise.
     */
    public static boolean isSoftware(IRI userIri) {
        return User.getUserData().isSoftware(userIri);
    }

    @Override
    public String getNanopubId() {
        // FIXME this will be removed in the future
        return null;
    }

    @Override
    public Nanopub getNanopub() {
        // FIXME this will be removed in the future
        return null;
    }

    @Override
    public String getNamespace() {
        // FIXME this will be removed in the future
        return null;
    }

    /**
     * Checks if this user is the currently logged-in user.
     *
     * @return True if this user is the currently logged-in user, false otherwise.
     */
    public boolean isCurrentUser() {
        IRI userIri = NanodashSession.get().getUserIri();
        if (userIri == null) {
            return false;
        }
        return getId().equals(userIri.stringValue());
    }

    @Override
    public String getLabel() {
        try {
            return User.getUserData().getShortDisplayName(Utils.vf.createIRI(getId()));
        } catch (Exception ex) {
        }
        return getId();
    }

}

1	package com.knowledgepixels.nanodash.domain;
2
3	import com.knowledgepixels.nanodash.NanodashSession;
4	import com.knowledgepixels.nanodash.Utils;
5	import com.knowledgepixels.nanodash.ViewDisplay;
6	import org.eclipse.rdf4j.model.IRI;
7	import org.nanopub.Nanopub;
8
9	import com.google.common.cache.Cache;
10	import com.google.common.cache.CacheBuilder;
11
12	import java.util.Set;
13	import java.util.concurrent.TimeUnit;
14
15	// TODO Merge this class with User or otherwise make them aligned.
16	public class IndividualAgent extends AbstractResourceWithProfile {
17
18	private static final Cache<String, IndividualAgent> instanceMap = CacheBuilder.newBuilder()	9✔
19	.maximumSize(10_000)	9✔
20	.expireAfterAccess(24, TimeUnit.HOURS)	3✔
21	.build();	6✔
22
23	public static IndividualAgent get(String id) {
24	IndividualAgent cached = instanceMap.getIfPresent(id);	×
25	if (cached == null) {	×
26	cached = new IndividualAgent(id);	×
27	instanceMap.put(id, cached);	×
28	}
29	return cached;	×
30	}
31
32	private IndividualAgent(String id) {
33	super(id);	×
34	}	×
35
36	/**
37	* Checks if a given string represents a user ID.
38	*
39	* @param userId The string to check.
40	* @return True if the string represents a user ID, false otherwise.
41	*/
42	public static boolean isUser(String userId) {
43	return User.getUserData().isUser(userId);	12✔
44	}
45
46	/**
47	* Checks if a given IRI represents a software agent.
48	*
49	* @param userIri The IRI to check.
50	* @return True if the IRI represents a software agent, false otherwise.
51	*/
52	public static boolean isSoftware(IRI userIri) {
53	return User.getUserData().isSoftware(userIri);	×
54	}
55
56	@Override
57	public String getNanopubId() {
58	// FIXME this will be removed in the future
59	return null;	×
60	}
61
62	@Override
63	public Nanopub getNanopub() {
64	// FIXME this will be removed in the future
65	return null;	×
66	}
67
68	@Override
69	public String getNamespace() {
70	// FIXME this will be removed in the future
71	return null;	×
72	}
73
74	/**
75	* Checks if this user is the currently logged-in user.
76	*
77	* @return True if this user is the currently logged-in user, false otherwise.
78	*/
79	public boolean isCurrentUser() {
80	IRI userIri = NanodashSession.get().getUserIri();	×
81	if (userIri == null) {	×
82	return false;	×
83	}
84	return getId().equals(userIri.stringValue());	×
85	}
86
87	@Override
88	public String getLabel() {
89	try {
90	return User.getUserData().getShortDisplayName(Utils.vf.createIRI(getId()));	×
91	} catch (Exception ex) {	×
92	}
93	return getId();	×
94	}
95
96	}

knowledgepixels / nanodash / 23138432878

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