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There is a newer version: 3.17.0.CR1

package io.quarkus.rest.client.reactive.runtime;

import java.io.Closeable;
import java.io.IOException;

import jakarta.annotation.PreDestroy;

import org.jboss.logging.Logger;

import io.quarkus.arc.NoClassInterceptors;
import io.quarkus.runtime.MockedThroughWrapper;

public abstract class RestClientReactiveCDIWrapperBase implements Closeable, MockedThroughWrapper {
    private static final Logger log = Logger.getLogger(RestClientReactiveCDIWrapperBase.class);

    private final Class jaxrsInterface;
    private final String baseUriFromAnnotation;
    private final String configKey;

    private T delegate;
    private Object mock;

    public RestClientReactiveCDIWrapperBase(Class jaxrsInterface, String baseUriFromAnnotation,
            String configKey, boolean requestScope) {
        this.jaxrsInterface = jaxrsInterface;
        this.baseUriFromAnnotation = baseUriFromAnnotation;
        this.configKey = configKey;
        if (!requestScope) {
            // when not using the Request scope, we eagerly create the delegate
            delegate();
        }
    }

    @Override
    @NoClassInterceptors
    public void close() throws IOException {
        if (mock == null && delegate != null) {
            delegate.close();
        }
    }

    @PreDestroy
    @NoClassInterceptors
    public void destroy() {
        try {
            if (mock == null) {
                close();
            }
        } catch (IOException e) {
            log.warn("Failed to close cdi-created rest client instance", e);
        }
    }

    // used by generated code
    @SuppressWarnings("unused")
    @NoClassInterceptors
    public Object getDelegate() {
        return mock == null ? delegate() : mock;
    }

    @Override
    @NoClassInterceptors
    public void setMock(Object mock) {
        this.mock = mock;
    }

    @Override
    @NoClassInterceptors
    public void clearMock() {
        this.mock = null;
    }

    @NoClassInterceptors
    private T delegate() {
        if (delegate == null) {
            delegate = RestClientCDIDelegateBuilder.createDelegate(jaxrsInterface, baseUriFromAnnotation, configKey);
        }

        return delegate;
    }
}