Application: gvSIG desktop

package org.gvsig.fmap.dal;

/**

 * This interface represents a notification produced by a DataStore.

 * 

 * Notifications can be of several types. This interface also defines a set 

 * of constants that represent the types of notifications that a DataStore 

 * can produce.

 */

public interface DataStoreNotification {

        /** Complex notification for special situations */

        public static final String COMPLEX_NOTIFICATION = "complex_notification";

        /** Fired before opening the store */

        public static final String BEFORE_OPEN = "before_Open_DataStore";

        /** Fired after opening the store */

        public static final String AFTER_OPEN = "after_Open_DataStore";

        /** Fired before closing the store */

        public static final String BEFORE_CLOSE = "before_Close_DataStore";

        /** Fired after closing the store */

        public static final String AFTER_CLOSE = "after_Close_DataStore";

        /** Fired before disposing the store */

        public static final String BEFORE_DISPOSE = "before_Dispose_DataStore";

        /** Fired after disposing the store */

        public static final String AFTER_DISPOSE = "after_Dispose_DataStore";

        /** Fired after the store selection has changed */

        public static final String SELECTION_CHANGE = "after_SelectionChange_DataStore";

        /** Fired when a resource of the store has changed */

        public static final String RESOURCE_CHANGED = "resourceChange_DataStore";

        /**

         * Returns the DataStore that produced this notification

         * @return DataStore source of this

         */

        public DataStore getSource();

        /**

         * Returns the type of this notification, represented by one of the constants defined in this interface.

         * @return a String containing this notification's type

         */

        public String getType();

}