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This project defines a set of useful java interfaces for helping you in the definition of the structure of your developments in Java-projects which are designed using a Inversion-Of-Control (IOC) pattern. Useful for MVP-Pattern designs in applications coded on GWT, SWT, Android, etc.

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package org.ioc.commons.integration.dataaccess.dao;

public interface Dao {

	/**
	 * It returns the used transaction for this DAO, if it exists. Otherwise,
	 * will be null.
	 * 
	 * @return The used transaction or null.
	 */
	Tx usingTransaction();

}