com.speedment.runtime.core.internal.manager.ConfiguredManager Maven / Gradle / Ivy

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A Speedment bundle that shades all dependencies into one jar. This is useful when deploying an application on a server.
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/*
 *
 * Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); You may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.speedment.runtime.core.internal.manager;

import com.speedment.runtime.config.identifier.TableIdentifier;
import com.speedment.runtime.core.component.StreamSupplierComponent;
import com.speedment.runtime.core.manager.*;
import com.speedment.runtime.core.stream.parallel.ParallelStrategy;
import com.speedment.runtime.field.Field;

import java.util.stream.Stream;

import static java.util.Objects.requireNonNull;

/**
 * {@link Manager} delegator that overwrites the {@link ParallelStrategy} used
 * when {@link #stream()} is called.
 *
 * @param  entity type
 *
 * @author Per Minborg
 * @since  3.0.1
 */
public final class ConfiguredManager implements Manager {

    private final StreamSupplierComponent streamSupplierComponent;
    private final Manager manager;
    private final ParallelStrategy parallelStrategy;

    ConfiguredManager(StreamSupplierComponent streamSupplierComponent,
                      Manager manager,
                      ParallelStrategy parallelStrategy) {

        this.streamSupplierComponent = requireNonNull(streamSupplierComponent);
        this.manager                 = requireNonNull(manager);
        this.parallelStrategy        = requireNonNull(parallelStrategy);
    }

    @Override
    public TableIdentifier getTableIdentifier() {
        return manager.getTableIdentifier();
    }

    @Override
    public Class getEntityClass() {
        return manager.getEntityClass();
    }

    @Override
    public Stream> fields() {
        return manager.fields();
    }

    @Override
    public Stream> primaryKeyFields() {
        return manager.primaryKeyFields();
    }

    @Override
    public Stream stream() {
        return streamSupplierComponent.stream(
            getTableIdentifier(),
            parallelStrategy
        );
    }

    @Override
    public Persister persister() {
        return manager.persister();
    }

    @Override
    public Persister persister(HasLabelSet fields) {
        return manager.persister(fields);
    }

    @Override
    public Updater updater() {
        return manager.updater();
    }

    @Override
    public Updater updater(HasLabelSet fields) {
        return manager.updater(fields);
    }

    @Override
    public Remover remover() {
        return manager.remover();
    }

    @Override
    public String toString() {
        return "ConfiguredManager{" +
            "manager=" + manager +
            ", parallelStrategy=" + parallelStrategy +
            '}';
    }
}