/**
* Creates a monitor instance using the config object. The <code>monitorConfig</code> must be
* initialized with the following configuration properties:
*
* <ul>
* <li>The <code>GroupName</code> of the replication group being monitored.
* <li>The (group wide) unique <code>NodeName</code> associated with this monitor node.
* <li>The <code>NodeType</code> must be set to <code>NodeType.Monitor</code>
* <li>The <code>NodeHost</code> identifying the hostname and port on which the monitor can be
* contacted.
* <li>The <code>HelperHosts</code> identifying the list of helpers the monitor can contact to
* register itself so it can receive notifications from the group when there is a change in
* masters.
* </ul>
*
* @param monitorConfig contains the monitor configuration initialized as described above.
* @throws IllegalArgumentException if an invalid parameter is specified.
*/
public Monitor(ReplicationConfig monitorConfig) {
if (!monitorConfig.getNodeType().equals(NodeType.MONITOR)) {
throw new IllegalArgumentException(
"The configured node type was: "
+ monitorConfig.getNodeType()
+ " instead of: "
+ NodeType.MONITOR);
}
String groupName = monitorConfig.getGroupName();
if (groupName == null) {
throw new IllegalArgumentException("Missing group name");
}
nameIdPair = new NameIdPair(monitorConfig.getNodeName());
String nodeHost = monitorConfig.getNodeHostPort();
if (nodeHost == null) {
throw new IllegalArgumentException("Missing nodeHost");
}
this.monitorConfig = monitorConfig.clone();
repGroupAdmin = new ReplicationGroupAdmin(groupName, monitorConfig.getHelperSockets());
logger = LoggerUtils.getLoggerFormatterNeeded(getClass());
formatter = new ReplicationFormatter(nameIdPair);
}
