रिफ्लेक्शन और संसाधनों के लिए रनटाइम संकेत

package com.example.demo.hints;

import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;

public class MyRuntimeHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        // reflection, resources and proxies are registered here
    }
}

import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;

public class ReflectionHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        hints.reflection().registerType(
            com.example.demo.PaymentProcessor.class,
            MemberCategory.INVOKE_DECLARED_CONSTRUCTORS,
            MemberCategory.INVOKE_DECLARED_METHODS);
    }
}

import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportRuntimeHints;

@Configuration
@ImportRuntimeHints(ReflectionHints.class)
public class PaymentConfig {
    // beans that rely on reflective access to PaymentProcessor
}

import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;
import org.springframework.util.ClassUtils;

public class OptionalHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        if (ClassUtils.isPresent("com.example.optional.LegacyAdapter", classLoader)) {
            hints.reflection().registerType(
                TypeReference.of("com.example.optional.LegacyAdapter"),
                MemberCategory.INVOKE_DECLARED_CONSTRUCTORS);
        }
    }
}

import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;

public class ResourceHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        hints.resources()
             .registerPattern("templates/email/*.html")
             .registerPattern("data/countries.json");
    }
}

import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;

public class ProxyHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        hints.proxies().registerJdkProxy(
            com.example.demo.AuditLog.class,
            com.example.demo.Versioned.class);
    }
}

import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;

public class StrategyHints implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        hints.reflection().registerType(
            TypeReference.of("com.example.demo.JsonExportStrategy"),
            MemberCategory.INVOKE_DECLARED_CONSTRUCTORS,
            MemberCategory.INVOKE_DECLARED_METHODS);

        hints.resources().registerPattern("strategies/*.properties");

        hints.proxies().registerJdkProxy(
            com.example.demo.ExportStrategy.class);
    }
}

import org.springframework.aot.hint.annotation.RegisterReflectionForBinding;
import org.springframework.stereotype.Component;

@Component
@RegisterReflectionForBinding({ InvoiceDto.class, LineItemDto.class })
public class InvoiceExporter {
    // serializes InvoiceDto with a hand-built ObjectMapper
}

import org.junit.jupiter.api.Test;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
import static org.assertj.core.api.Assertions.assertThat;

class ReflectionHintsTest {

    @Test
    void registersPaymentProcessor() {
        RuntimeHints hints = new RuntimeHints();
        new ReflectionHints().registerHints(hints, getClass().getClassLoader());

        assertThat(RuntimeHintsPredicates.reflection()
                .onType(com.example.demo.PaymentProcessor.class))
            .accepts(hints);
    }
}