IPreloadAwareMigrationInformation.java

package fr.openwide.core.jpa.migration.util;

import java.util.Map;

import fr.openwide.core.jpa.business.generic.model.GenericEntity;

public interface IPreloadAwareMigrationInformation {
	
	/*
	 * String used in the IN() clause of the SQL query
	 */
	String getParameterIds();

	/*
	 * Map used to preload entities to speed up the migration.
	 * The key is the class of the entities to preload.
	 * The value is: 
	 * 		- either the associated SQL query
	 * 		- or null if the entities are already preloaded. In this case, it's sufficient
	 * 		to call the listEntitiesByIds method of AbstractEntityMigrationService
	 */
	Map<Class<? extends GenericEntity<Long, ?>>, String> getPreloadRequests();

}