Package org.opennms.netmgt.vmmgr

Class DatabaseChecker

java.lang.Object

org.opennms.netmgt.vmmgr.DatabaseChecker

public class DatabaseChecker
extends java.lang.Object

This is the singleton class used to load the OpenNMS database configuration from the opennms-database.xml. This provides convenience methods to create database connections to the database configured in this default xml

Note: Users of this class should make sure the init() is called before calling any other method to ensure the config is loaded before accessing other convenience methods

Author:

Brian Weaver

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DatabaseChecker()	Load the config from the default config file and create the singleton instance of this factory.
protected	DatabaseChecker(java.lang.String configFile)	Protected constructor

Method Summary

Modifier and Type	Method	Description
void	check()	Check whether the data sources in opennms-datasources.xml are valid.
static void	main(java.lang.String[] argv)	main

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatabaseChecker

protected DatabaseChecker(java.lang.String configFile)
                   throws java.io.IOException,
                          java.lang.ClassNotFoundException

Protected constructor

Parameters:

configFile - a String object.

Throws:

java.io.IOException - Thrown if the specified config file cannot be read

java.io.IOException - if any.

java.lang.ClassNotFoundException - if any.

DatabaseChecker

protected DatabaseChecker()
                   throws java.io.IOException,
                          java.lang.ClassNotFoundException

Load the config from the default config file and create the singleton instance of this factory.

Throws:

java.io.IOException - Thrown if the specified config file cannot be read

java.io.IOException - if any.

java.lang.ClassNotFoundException - if any.

Method Detail

check

public void check()
           throws MissingDataSourceException,
                  InvalidDataSourceException

Check whether the data sources in opennms-datasources.xml are valid.

Throws:

MissingDataSourceException - A required data source was not found in opennms-datasources.xml.

InvalidDataSourceException - A required data source could not be connected to.

main

public static void main(java.lang.String[] argv)
                 throws java.lang.Exception

main

Parameters:

argv - an array of String objects.

Throws:

java.lang.Exception - if any.