TomCools

// This file is an example of AI generated code with Ollama Qwen3:8b
// Comments tell you more about what is wrong about it. Do not try to copy this ;)                                        
                                // Not how you implement constraints in Timefold
public class NoConsecutiveSameSingerOrArtistConstraint implements HardConstraint {

    @Override //None existing type
    public ConstraintMatchType getConstraintMatchType() {
        return ConstraintMatchType.HARD;
    }

TomCools

application {
  config {
    baseName karaokeScheduler
    applicationType monolith
    packageName com.karaoke.scheduler
    authenticationType jwt
    prodDatabaseType postgresql
    devDatabaseType h2Disk
    buildTool maven
    clientFramework angular

TomCools

private ContentRetriever createContentRetriever(String subdir) {
    URL resource = ClassLoaderUtils.getResource("./docs/" + subdir);
    var documents = loadDocuments(resource.getPath());

    InMemoryEmbeddingStore<TextSegment> embeddingStore = new InMemoryEmbeddingStore<>();
    EmbeddingStoreIngestor.ingest(documents, embeddingStore);

    return EmbeddingStoreContentRetriever.from(embeddingStore);
}

TomCools

// Truncated compiler code 
@Tool("Compiles the given Java source code and returns whether it is OK or NOT_OK, including compiler errors.")
public CompilationResult compileJavaCode(String code) {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    if (compiler == null) {
        return new CompilationResult(
                false,
                List.of("No system Java compiler found. Make sure you're running on a JDK, not a JRE.")
        );
    }

TomCools

ChatModel model = OllamaChatModel.builder()
            .baseUrl("<http://localhost:11434>")
            .modelName("qwen3:8b")
            .build();

var modelCodingAgent = AgenticServices
                .agentBuilder(CodingAgent.class)
                .chatModel(model)
                .build();

TomCools

// in CodingAgent.java
@SystemMessage("""
        You are a Timefold constraint optimization problem coder, expert in Java.
        You create Java classes only.
        """)
@UserMessage("""
        Please create the the Java domain classes and constraint methods for the following optimization problem
        The problem statement: {{problemStatement}}.
        """)
@Agent(outputName = "code", value = "Creates the relevant Java domain classes for the following problem statement.")

TomCools

// Prepare a custom icon, since default one is not "Christmas" enough.
const treeIcon = L.icon({iconUrl: 'tree-marker.png', iconSize: [20, 20]})

const map = L.map('map', {doubleClickZoom: false}).setView([66.5039, 25.7294], 4);
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors',
}).addTo(map);

// Create a layer group,
const linesGroup = L.layerGroup().addTo(map);

TomCools

@Path("santa")
public class SantaResource {

    // Fields and constructor excluded

    @POST
    @Path("plan")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public SantaPlan solve(List<Visit> visits) {

TomCools

public class SantaResource {

    private final SolverFactory<SantaPlan> solverFactory;

    // CDI Injected solverFactory
    public SantaResource(SolverFactory<SantaPlan> solverFactory) {
        this.solverFactory = solverFactory;
    }
    
    /**

TomCools

@PlanningSolution
public class SantaPlan {
    @PlanningEntityProperty
    private Santa santa;

    @ProblemFactCollectionProperty
    @ValueRangeProvider
    private List<Visit> visits;

    @PlanningScore