H2Module.java

/*
 * Copyright 2013 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
 *
 *    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 ratpack.h2;

import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import org.h2.jdbcx.JdbcConnectionPool;

import javax.sql.DataSource;

public class H2Module extends AbstractModule {

  public String username = "user";
  public String password = "pass";
  public String url = "jdbc:h2:mem:dev";

  public H2Module() {}

  public H2Module(String username, String password, String url) {
    this.username = username;
    this.password = password;
    this.url = url;
  }

  @Override
  protected void configure() {
  }

  @Provides
  DataSource dataSource() {
    return createDataSource();
  }

  // separate from above to allow decoration of the datasource by extending the module
  // Guice does not allow overriding @Provides methods
  protected DataSource createDataSource() {
    return JdbcConnectionPool.create(url, username, password);
  }
}