org.apache.ambari.server.controller.internal

Class AbstractPropertyProvider

java.lang.Object

org.apache.ambari.server.controller.internal.BaseProvider

org.apache.ambari.server.controller.internal.AbstractPropertyProvider

All Implemented Interfaces:

PropertyProvider

Direct Known Subclasses:

GangliaPropertyProvider, GangliaReportPropertyProvider, JMXPropertyProvider

public abstract class AbstractPropertyProvider
extends BaseProvider
implements PropertyProvider

Abstract property provider implementation.

Field Summary

Fields inherited from class org.apache.ambari.server.controller.internal.BaseProvider

LOG

Constructor Summary

Constructors

Constructor and Description
AbstractPropertyProvider(Map<String,Map<String,PropertyInfo>> componentMetrics) Construct a provider.

Method Summary

Modifier and Type	Method and Description
Map<String,Map<String,PropertyInfo>>	getComponentMetrics() Get the map of metrics for this provider.
protected Map<String,PropertyInfo>	getPropertyInfoMap(String componentName, String propertyId) Get a map of metric / property info based on the given component name and property id.
protected void	getPropertyInfoMap(String componentName, String propertyId, Map<String,PropertyInfo> propertyInfoMap)
protected static String	substituteArgument(String propertyId, String argName, String val) Substitute the given value into the argument in the given property id.
protected void	updateComponentMetricMap(Map<String,PropertyInfo> componentMetricMap, String propertyId) Adds to the componentMetricMap a specific(not regexp) metric for the propertyId

Methods inherited from class org.apache.ambari.server.controller.internal.BaseProvider

checkConfigPropertyIds, checkPropertyIds, containsArguments, getPropertyIds, getRegexGroups, getRegExpKey, getRequestPropertyIds, isPatternKey, setResourceProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ambari.server.controller.spi.PropertyProvider

checkPropertyIds, populateResources

Constructor Detail

AbstractPropertyProvider

public AbstractPropertyProvider(Map<String,Map<String,PropertyInfo>> componentMetrics)

Construct a provider.

Parameters:

componentMetrics - map of metrics for this provider

Method Detail

getComponentMetrics

public Map<String,Map<String,PropertyInfo>> getComponentMetrics()

Get the map of metrics for this provider.

Returns:

the map of metric / property info.

getPropertyInfoMap

protected Map<String,PropertyInfo> getPropertyInfoMap(String componentName,
                                                      String propertyId)

Get a map of metric / property info based on the given component name and property id. Note that the property id may map to multiple metrics if the property id is a category.

Parameters:

componentName - the component name

propertyId - the property id; may be a category

Returns:

a map of metrics

getPropertyInfoMap

protected void getPropertyInfoMap(String componentName,
                                  String propertyId,
                                  Map<String,PropertyInfo> propertyInfoMap)

substituteArgument

protected static String substituteArgument(String propertyId,
                                           String argName,
                                           String val)

Substitute the given value into the argument in the given property id. If there are methods attached to the argument then execute them for the given value.

Parameters:

propertyId - the property id

argName - the argument name

val - the value to substitute

Returns:

the modified property id

updateComponentMetricMap

protected void updateComponentMetricMap(Map<String,PropertyInfo> componentMetricMap,
                                        String propertyId)

Adds to the componentMetricMap a specific(not regexp) metric for the propertyId

Parameters:

componentMetricMap -

propertyId -