appl/data/DataLoader.java

package appl.data;

import java.io.Serializable;

import de.appl.data.LoadingException;

/**
 * A class that automatically loads a specified object and returns it, as soon
 * as the {@link #load()} method is invoked. It is the counterpart of {@link DataUnloader}.
 * 
 * @author Dominik Appl
 * @see DataUnloader
 */
public interface DataLoader extends Serializable {
        
        /**
         * On invocation the data is loaded and returned
         * 
         * @return the newly loaded object
         * 
         * @throws LoadingException if for some reason the data could not
         * be loaded
         */
        public Object load() throws LoadingException;
        
        /**
         * @return some general information about the loading class 
         * (like what the class exactly loads)
         * 
         */
        public String getLoadInfo();

}
1	package appl.data;
2
3	import java.io.Serializable;
4
5	import de.appl.data.LoadingException;
6
7	/**
8	* A class that automatically loads a specified object and returns it, as soon
9	* as the {@link #load()} method is invoked. It is the counterpart of {@link DataUnloader}.
10	*
11	* @author Dominik Appl
12	* @see DataUnloader
13	*/
14	public interface DataLoader extends Serializable {
15
16	/**
17	* On invocation the data is loaded and returned
18	*
19	* @return the newly loaded object
20	*
21	* @throws LoadingException if for some reason the data could not
22	* be loaded
23	*/
24	public Object load() throws LoadingException;
25
26	/**
27	* @return some general information about the loading class
28	* (like what the class exactly loads)
29	*
30	*/
31	public String getLoadInfo();
32
33	}