org.mybatis.guice.mappers.MapperProvider Maven / Gradle / Ivy

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/*
 *    Copyright 2009-2022 the original author or authors.
 *
 *    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
 *
 *       https://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 org.mybatis.guice.mappers;

import java.util.Objects;

import javax.inject.Inject;
import javax.inject.Provider;

import org.apache.ibatis.session.SqlSessionManager;

/**
 * A generic MyBatis mapper provider.
 */
public final class MapperProvider implements Provider {

  private final Class mapperType;

  @Inject
  private SqlSessionManager sqlSessionManager;

  public MapperProvider(Class mapperType) {
    this.mapperType = mapperType;
  }

  public void setSqlSessionManager(SqlSessionManager sqlSessionManager) {
    this.sqlSessionManager = sqlSessionManager;
  }

  @Override
  public T get() {
    return this.sqlSessionManager.getMapper(mapperType);
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(this.mapperType);
  }

  @Override
  public boolean equals(Object obj) {
    if (obj == null) {
      return false;
    }
    if (this.getClass() != obj.getClass()) {
      return false;
    }
    MapperProvider other = (MapperProvider) obj;
    return Objects.equals(this.mapperType, other.mapperType);
  }
}