/
ColumnRepositoryProxy.java
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/
ColumnRepositoryProxy.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
*
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
*
* Otavio Santana
*/
package org.eclipse.jnosql.mapping.column.query;
import org.eclipse.jnosql.mapping.core.Converters;
import org.eclipse.jnosql.mapping.column.JNoSQLColumnTemplate;
import org.eclipse.jnosql.mapping.core.query.AbstractRepository;
import org.eclipse.jnosql.mapping.metadata.EntitiesMetadata;
import org.eclipse.jnosql.mapping.metadata.EntityMetadata;
import java.lang.reflect.ParameterizedType;
import java.util.Objects;
/**
* Proxy handler to generate {@link org.eclipse.jnosql.mapping.NoSQLRepository} for column-based repositories.
*
* @param <T> The entity type managed by the repository.
* @param <K> The key type used for column-based operations.
*/
public class ColumnRepositoryProxy<T, K> extends AbstractColumnRepositoryProxy<T, K> {
private final JNoSQLColumnTemplate template;
private final ColumnRepository<T, K> repository;
private final EntityMetadata entityMetadata;
private final Converters converters;
private final Class<?> repositoryType;
ColumnRepositoryProxy(JNoSQLColumnTemplate template, EntitiesMetadata entities, Class<?> repositoryType,
Converters converters) {
this.template = template;
Class<T> typeClass = (Class) ((ParameterizedType) repositoryType.getGenericInterfaces()[0])
.getActualTypeArguments()[0];
this.entityMetadata = entities.get(typeClass);
this.repository = new ColumnRepository<>(template, entityMetadata);
this.converters = converters;
this.repositoryType = repositoryType;
}
@Override
protected AbstractRepository<T, K> repository() {
return repository;
}
@Override
protected EntityMetadata entityMetadata() {
return entityMetadata;
}
@Override
protected JNoSQLColumnTemplate template() {
return template;
}
@Override
protected Converters converters() {
return converters;
}
@Override
protected Class<?> repositoryType() {
return repositoryType;
}
/**
* Repository implementation for column-based repositories.
*
* @param <T> The entity type managed by the repository.
* @param <K> The key type used for column-based operations.
*/
public static class ColumnRepository<T, K> extends AbstractColumnRepository<T, K> {
private final JNoSQLColumnTemplate template;
private final EntityMetadata entityMetadata;
ColumnRepository(JNoSQLColumnTemplate template, EntityMetadata entityMetadata) {
this.template = template;
this.entityMetadata = entityMetadata;
}
@Override
protected JNoSQLColumnTemplate template() {
return template;
}
@Override
protected EntityMetadata entityMetadata() {
return entityMetadata;
}
/**
* Creates a new instance of ColumnRepository.
*
* @param <T> The entity type managed by the repository.
* @param <K> The key type used for column-based operations.
* @param template The JNoSQLColumnTemplate used for column database operations. Must not be {@code null}.
* @param metadata The metadata of the entity. Must not be {@code null}.
* @return A new instance of ColumnRepository.
* @throws NullPointerException If either the template or metadata is {@code null}.
*/
public static <T, K> ColumnRepository<T, K> of(JNoSQLColumnTemplate template, EntityMetadata metadata) {
Objects.requireNonNull(template,"template is required");
Objects.requireNonNull(metadata,"metadata is required");
return new ColumnRepository<>(template, metadata);
}
}
}