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Standard provider for creating stream builders

There is a newer version: 3.0.4

/*
 * JPAstreamer - Express JPA queries with Java Streams
 * Copyright (c) 2020-2022, Speedment, Inc. All Rights Reserved.
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * See: https://github.com/speedment/jpa-streamer/blob/master/LICENSE
 */
package com.speedment.jpastreamer.builder.standard.internal;

import com.speedment.jpastreamer.pipeline.Pipeline;
import com.speedment.jpastreamer.renderer.RenderResult;
import com.speedment.jpastreamer.renderer.Renderer;
import com.speedment.jpastreamer.renderer.RendererFactory;
import com.speedment.jpastreamer.streamconfiguration.StreamConfiguration;

import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;

import java.util.function.BiConsumer;
import java.util.function.Supplier;
import java.util.stream.BaseStream;

public final class MockRendererFactory implements RendererFactory {

    private final BiConsumer, RenderResult> listener;

    public MockRendererFactory(BiConsumer, RenderResult> listener) {
        this.listener = listener;
    }

    @Override
    public Renderer createRenderer(EntityManagerFactory entityManagerFactory) {
        return new MockRenderer();
    }
    
    @Override
    public Renderer createRenderer(Supplier entityManagerSupplier) {
        return new MockRenderer();
    }

    @Override
    public Renderer createRenderer(EntityManager entityManager) {
        return new MockRenderer(); 
    }

    private final class MockRenderer implements Renderer {

        @Override
        public > RenderResult render(Pipeline pipeline, StreamConfiguration streamConfiguration) {
            final RenderResult renderResult = null;
            MockRendererFactory.this.listener.accept(pipeline, renderResult);
            return null;
        }

        @Override
        public void close() {
            // Do nothing
        }
    }

}