MultiTenantDBEvolveManager.java

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package org.opentides.persistence.hibernate;

import org.apache.log4j.Logger;
import org.opentides.persistence.evolve.DBEvolveManager;
import org.opentides.persistence.jdbc.MultitenantJdbcTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;

/**
 * Utility responsible for managing the database evolves of different schemas
 * for multi-tenancy.
 * 
 * @author Jeric
 *
 */
public class MultiTenantDBEvolveManager {
	private static final Logger _log = Logger.getLogger(DBEvolveManager.class);
	
	@Autowired
	protected MultitenantJdbcTemplate jdbcTemplate;
	
	@Autowired
	private DBEvolveManager dbEvolveManager;

	/**
	 * Evolves the given schema using the same evolve list of the master schema.
	 * 
	 * @param schema
	 */
	@Transactional()
	public void evolve(final String schemaName) {
		Assert.notNull(schemaName);
		final String originatingSchema = jdbcTemplate.getCurrentSchemaName();
		_log.debug("Evolving schema [" + schemaName + "]");
		jdbcTemplate.switchSchema(schemaName);
		dbEvolveManager.evolve(schemaName);
		jdbcTemplate.switchSchema(originatingSchema);
	}

}