org.rhq.plugins.postgres
Class PostgresServerComponent

java.lang.Object
  org.rhq.plugins.postgres.PostgresServerComponent

All Implemented Interfaces:

AvailabilityFacet, ConfigurationFacet, ConfigurationFacetSupport, CreateChildResourceFacet, ResourceComponent, MeasurementFacet, OperationFacet, DatabaseComponent

public class PostgresServerComponent
extends Object
implements DatabaseComponent, ConfigurationFacet, MeasurementFacet, OperationFacet, CreateChildResourceFacet

Management for a PostgreSQL server

Author:

Greg Hinkle

Constructor Summary

PostgresServerComponent()

Method Summary

CreateResourceReport	createResource(CreateResourceReport report)
void	findProcessInfo()
AvailabilityType	getAvailability()
protected PostgresqlConfFile	getConfigurationFile()
Connection	getConnection()
protected String	getJDBCUrl()
double	getObjectProperty(Object object, String name)
void	getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) Get data about the database server.
OperationResult	invokeOperation(String name, Configuration parameters)
Configuration	loadResourceConfiguration()
protected Object	lookupAttributeProperty(Object value, String property)
void	removeConnection()
void	start(ResourceContext context)
void	stop()
void	updateResourceConfiguration(ConfigurationUpdateReport report)

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgresServerComponent

public PostgresServerComponent()

Method Detail

start

public void start(ResourceContext context)
           throws SQLException

Specified by:

start in interface ResourceComponent

Throws:

SQLException

stop

public void stop()

Specified by:

stop in interface ResourceComponent

getJDBCUrl

protected String getJDBCUrl()

getAvailability

public AvailabilityType getAvailability()

Specified by:

getAvailability in interface AvailabilityFacet

getConnection

public Connection getConnection()

Specified by:

getConnection in interface DatabaseComponent

removeConnection

public void removeConnection()

Specified by:

removeConnection in interface DatabaseComponent

getConfigurationFile

protected PostgresqlConfFile getConfigurationFile()
                                           throws IOException

Throws:

IOException

loadResourceConfiguration

public Configuration loadResourceConfiguration()
                                        throws Exception

Specified by:

loadResourceConfiguration in interface ConfigurationFacet

Throws:

Exception

updateResourceConfiguration

public void updateResourceConfiguration(ConfigurationUpdateReport report)

Specified by:

updateResourceConfiguration in interface ConfigurationFacet

getValues

public void getValues(MeasurementReport report,
                      Set<MeasurementScheduleRequest> metrics)

Get data about the database server. Currently we have two categories:

• Database.* are metrics that are obtained from the database server itself
• Process.* are metrics obtained from the native system.

Specified by:

getValues in interface MeasurementFacet

Parameters:

report - the report where all collected measurement data will be added

metrics - the schedule of what needs to be collected when

lookupAttributeProperty

protected Object lookupAttributeProperty(Object value,
                                         String property)

getObjectProperty

public double getObjectProperty(Object object,
                                String name)

invokeOperation

public OperationResult invokeOperation(String name,
                                       Configuration parameters)
                                throws InterruptedException,
                                       Exception

Specified by:

invokeOperation in interface OperationFacet

Throws:

InterruptedException

Exception

createResource

public CreateResourceReport createResource(CreateResourceReport report)

Specified by:

createResource in interface CreateChildResourceFacet

findProcessInfo

public void findProcessInfo()