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• 1.1
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• DataSourceAlert.java

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org.avaje.datasource.DataSourceAlert Maven / Gradle / Ivy

package org.avaje.datasource;

/**
 * Listener for notifications about the DataSource such as when the DataSource
 * goes down, up or gets close to it's maximum size.
 * 

 * The intention is to send email notifications to an administrator (or similar)
 * when these events occur on the DataSource.
 * 
 */
public interface DataSourceAlert {

  /**
   * Send an alert to say the dataSource is back up.
   */
  void dataSourceUp(String dataSourceName);

  /**
   * Send an alert to say the dataSource is down.
   */
  void dataSourceDown(String dataSourceName);

  /**
   * Send an alert to say the dataSource is getting close to its max size.
   */
  void dataSourceWarning(String subject, String msg);
}