CommandCallback.java

package org.springframework.roo.process.manager;

/**
 * An interface used to execute a command within a {@link ProcessManager}
 * "transaction-like" operation.
 * 
 * @author Ben Alex
 * @since 1.0
 */
public interface CommandCallback<T> {

  /**
   * Execute the user-defined logic.
   * 
   * @return a result of the logic (can be null)
   */
  T callback();
}