org.apache.ambari.server.controller.ganglia

Class GangliaPropertyProvider

java.lang.Object

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

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

org.apache.ambari.server.controller.ganglia.GangliaPropertyProvider

All Implemented Interfaces:

PropertyProvider

Direct Known Subclasses:

GangliaComponentPropertyProvider, GangliaHostComponentPropertyProvider, GangliaHostPropertyProvider

public abstract class GangliaPropertyProvider
extends AbstractPropertyProvider

Abstract property provider implementation for a Ganglia source.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor and Description
GangliaPropertyProvider(Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap, StreamProvider streamProvider, ComponentSSLConfiguration configuration, GangliaHostProvider hostProvider, String clusterNamePropertyId, String hostNamePropertyId, String componentNamePropertyId)

Method Summary

Modifier and Type	Method and Description
protected abstract String	getComponentName(Resource resource) Get the component name for the given resource.
protected String	getComponentNamePropertyId() Get the component name property id.
protected abstract Set<String>	getGangliaClusterNames(Resource resource, String clusterName) Get the ganglia cluster name for the given resource.
protected abstract String	getHostName(Resource resource) Get the host name for the given resource.
protected String	getHostNamePropertyId() Get the host name property id.
StreamProvider	getStreamProvider() Get the stream provider.
Set<Resource>	populateResources(Set<Resource> resources, Request request, Predicate predicate) Populate the given set of resource with any properties that this property provider can provide and return a populated set of resources.

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

getComponentMetrics, getPropertyInfoMap, getPropertyInfoMap, substituteArgument, updateComponentMetricMap

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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

Constructor Detail

GangliaPropertyProvider

public GangliaPropertyProvider(Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap,
                               StreamProvider streamProvider,
                               ComponentSSLConfiguration configuration,
                               GangliaHostProvider hostProvider,
                               String clusterNamePropertyId,
                               String hostNamePropertyId,
                               String componentNamePropertyId)

Method Detail

populateResources

public Set<Resource> populateResources(Set<Resource> resources,
                                       Request request,
                                       Predicate predicate)
                                throws SystemException

Description copied from interface: PropertyProvider

Populate the given set of resource with any properties that this property provider can provide and return a populated set of resources. The provider may drop resources from the original set if it determines that the don't meet the conditions of the predicate.

Parameters:

resources - the resources to be populated

request - the request object which defines the desired set of properties

predicate - the predicate object which filters which resources are returned

Returns:

the populated set of resources

Throws:

SystemException - thrown if resources cannot be populated

getHostName

protected abstract String getHostName(Resource resource)

Get the host name for the given resource.

Parameters:

resource - the resource

Returns:

the host name

getComponentName

protected abstract String getComponentName(Resource resource)

Get the component name for the given resource.

Parameters:

resource - the resource

Returns:

the component name

getGangliaClusterNames

protected abstract Set<String> getGangliaClusterNames(Resource resource,
                                                      String clusterName)

Get the ganglia cluster name for the given resource.

Parameters:

resource - the resource

Returns:

the ganglia cluster name

getComponentNamePropertyId

protected String getComponentNamePropertyId()

Get the component name property id.

Returns:

the component name property id

getHostNamePropertyId

protected String getHostNamePropertyId()

Get the host name property id.

Returns:

the host name property id

getStreamProvider

public StreamProvider getStreamProvider()

Get the stream provider.

Returns:

the stream provider