org.apache.ambari.server.controller.metrics

Class MetricsPropertyProvider

java.lang.Object

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

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

org.apache.ambari.server.controller.metrics.MetricsPropertyProvider

All Implemented Interfaces:

PropertyProvider

Direct Known Subclasses:

AMSPropertyProvider, GangliaPropertyProvider

public abstract class MetricsPropertyProvider
extends AbstractPropertyProvider

Field Summary

Fields

Modifier and Type	Field and Description
protected String	clusterNamePropertyId
protected String	componentNamePropertyId
protected ComponentSSLConfiguration	configuration
protected String	hostNamePropertyId
protected MetricHostProvider	hostProvider
protected MetricsPaddingMethod	metricsPaddingMethod
protected static Pattern	questionMarkPattern
protected URLStreamProvider	streamProvider

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MetricsPropertyProvider(Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap, URLStreamProvider streamProvider, ComponentSSLConfiguration configuration, MetricHostProvider hostProvider, String clusterNamePropertyId, String hostNamePropertyId, String componentNamePropertyId)

Method Summary

Modifier and Type	Method and Description
static MetricsPropertyProviderProxy	createInstance(Resource.Type type, Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap, URLStreamProvider streamProvider, ComponentSSLConfiguration configuration, TimelineMetricCacheProvider cacheProvider, MetricHostProvider hostProvider, MetricsServiceProvider serviceProvider, String clusterNamePropertyId, String hostNamePropertyId, String componentNamePropertyId)
protected abstract String	getComponentName(Resource resource) Get the component name for the given resource.
protected abstract String	getHostName(Resource resource) Get the host name for the given resource.
static String	getSetString(Set<String> set, int limit) Get a comma delimited string from the given set of strings or an empty string if the size of the given set is greater than the given limit.
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.
protected abstract Set<Resource>	populateResourcesWithProperties(Set<Resource> resources, Request request, Set<String> propertyIds) Delegate implementation of populating resources to concrete providers.

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

checkAuthorizationForMetrics, checkPropertyCategory, getClustersNameFromResources, getClustersResourceId, getComponentMetrics, getPropertyInfoMap, getResourceTypeFromResources, getValue, isSupportedPropertyId, substituteArgument, updateComponentMetricMap, updatePropertyInfo, updatePropertyInfoMap

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

checkCategory, checkConfigPropertyIds, checkPropertyIds, containsArguments, getCategoryIds, getPropertyIds, getRegexEntry, getRegexGroups, getRequestPropertyIds, isPatternKey, isPropertyCategoryRequested, isPropertyEntryRequested, isPropertyRequested, 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

questionMarkPattern

protected static final Pattern questionMarkPattern

streamProvider

protected final URLStreamProvider streamProvider

hostProvider

protected final MetricHostProvider hostProvider

clusterNamePropertyId

protected final String clusterNamePropertyId

hostNamePropertyId

protected final String hostNamePropertyId

componentNamePropertyId

protected final String componentNamePropertyId

configuration

protected final ComponentSSLConfiguration configuration

metricsPaddingMethod

protected MetricsPaddingMethod metricsPaddingMethod

Constructor Detail

MetricsPropertyProvider

protected MetricsPropertyProvider(Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap,
                                  URLStreamProvider streamProvider,
                                  ComponentSSLConfiguration configuration,
                                  MetricHostProvider hostProvider,
                                  String clusterNamePropertyId,
                                  String hostNamePropertyId,
                                  String componentNamePropertyId)

Method Detail

createInstance

public static MetricsPropertyProviderProxy createInstance(Resource.Type type,
                                                          Map<String,Map<String,PropertyInfo>> componentPropertyInfoMap,
                                                          URLStreamProvider streamProvider,
                                                          ComponentSSLConfiguration configuration,
                                                          TimelineMetricCacheProvider cacheProvider,
                                                          MetricHostProvider hostProvider,
                                                          MetricsServiceProvider serviceProvider,
                                                          String clusterNamePropertyId,
                                                          String hostNamePropertyId,
                                                          String componentNamePropertyId)

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

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

populateResourcesWithProperties

protected abstract Set<Resource> populateResourcesWithProperties(Set<Resource> resources,
                                                                 Request request,
                                                                 Set<String> propertyIds)
                                                          throws SystemException

Delegate implementation of populating resources to concrete providers.

Parameters:

resources - @Resource

request - @Request

propertyIds - Set of ids

Returns:

@Set of resources

Throws:

SystemException

getSetString

public static String getSetString(Set<String> set,
                                  int limit)

Get a comma delimited string from the given set of strings or an empty string if the size of the given set is greater than the given limit.

Parameters:

set - the set of strings

limit - the upper size limit for the list

Returns:

a comma delimited string of strings