org.apache.slider.server.appmaster.web

Interface WebAppApi

All Known Implementing Classes:

WebAppApiImpl

public interface WebAppApi

Interface to pass information from the Slider AppMaster to the WebApp

Method Summary

Methods

Modifier and Type	Method and Description
AgentRestOperations	getAgentRestOperations() Returns an interface that can support the agent-based REST operations.
AppMasterActionOperations	getAMOperations() API for AM operations
StateAccessForProviders	getAppState() The AppState for the current cluster
CertificateManager	getCertificateManager() The CertificateManager for the current cluster
ContentCache	getContentCache() Local cache of content
MetricsAndMonitoring	getMetricsAndMonitoring() Metrics and monitoring service
ProviderService	getProviderService() The ProviderService for the current cluster
QueueAccess	getQueues() Get the queue accessor
org.apache.hadoop.registry.client.api.RegistryOperations	getRegistryOperations() Registry operations accessor
Map<String,RoleStatus>	getRoleStatusByName() Generate a mapping from role name to its RoleStatus.

Method Detail

getAppState

StateAccessForProviders getAppState()

The AppState for the current cluster

getProviderService

ProviderService getProviderService()

The ProviderService for the current cluster

getCertificateManager

CertificateManager getCertificateManager()

The CertificateManager for the current cluster

getRoleStatusByName

Map<String,RoleStatus> getRoleStatusByName()

Generate a mapping from role name to its RoleStatus. Be aware that this is a computed value and not just a getter

getAgentRestOperations

AgentRestOperations getAgentRestOperations()

Returns an interface that can support the agent-based REST operations.

getRegistryOperations

org.apache.hadoop.registry.client.api.RegistryOperations getRegistryOperations()

Registry operations accessor

Returns:

registry access

getMetricsAndMonitoring

MetricsAndMonitoring getMetricsAndMonitoring()

Metrics and monitoring service

Returns:

the (singleton) instance

getQueues

QueueAccess getQueues()

Get the queue accessor

Returns:

the immediate and scheduled queues

getAMOperations

AppMasterActionOperations getAMOperations()

API for AM operations

Returns:

current operations implementation

getContentCache

ContentCache getContentCache()

Local cache of content

Returns:

the cache