org.apache.ambari.server.view

Class ViewContextImpl

java.lang.Object

org.apache.ambari.server.view.ViewContextImpl

All Implemented Interfaces:

org.apache.ambari.view.ViewContext, org.apache.ambari.view.ViewController

public class ViewContextImpl
extends Object
implements org.apache.ambari.view.ViewContext, org.apache.ambari.view.ViewController

View context implementation.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CORE_SITE
static String	HADOOP_SECURITY_AUTH_TO_LOCAL
static String	HDFS_AUTH_TO_LOCAL

Fields inherited from interface org.apache.ambari.view.ViewContext

CONTEXT_ATTRIBUTE

Constructor Summary

Constructors

Constructor and Description
ViewContextImpl(ViewEntity viewEntity, ViewRegistry viewRegistry) Construct a view context from the given view entity.
ViewContextImpl(ViewInstanceEntity viewInstanceEntity, ViewRegistry viewRegistry) Construct a view context from the given view instance entity.

Method Summary

Modifier and Type	Method and Description
void	fireEvent(String eventId, Map<String,String> eventProperties)
org.apache.ambari.view.AmbariStreamProvider	getAmbariClusterStreamProvider()
String	getAmbariProperty(String key)
org.apache.ambari.view.AmbariStreamProvider	getAmbariStreamProvider()
org.apache.ambari.view.cluster.Cluster	getCluster()
org.apache.ambari.view.ViewController	getController()
org.apache.ambari.view.DataStore	getDataStore()
HttpImpersonatorImpl	getHttpImpersonator()
org.apache.ambari.view.ImpersonatorSetting	getImpersonatorSetting()
Map<String,String>	getInstanceData()
String	getInstanceData(String key)
String	getInstanceName()
String	getLoggedinUser()
Map<String,String>	getProperties()
org.apache.ambari.view.ResourceProvider<?>	getResourceProvider(String type)
org.apache.ambari.view.URLConnectionProvider	getURLConnectionProvider()
org.apache.ambari.view.URLStreamProvider	getURLStreamProvider()
String	getUsername()
org.apache.ambari.view.ViewDefinition	getViewDefinition()
Collection<org.apache.ambari.view.ViewDefinition>	getViewDefinitions()
org.apache.ambari.view.ViewInstanceDefinition	getViewInstanceDefinition()
Collection<org.apache.ambari.view.ViewInstanceDefinition>	getViewInstanceDefinitions()
String	getViewName()
void	hasPermission(String userName, String permissionName)
void	putInstanceData(String key, String value)
void	registerListener(org.apache.ambari.view.events.Listener listener, String viewName)
void	registerListener(org.apache.ambari.view.events.Listener listener, String viewName, String viewVersion)
void	removeInstanceData(String key)
void	unregisterListener(org.apache.ambari.view.events.Listener listener, String viewName)
void	unregisterListener(org.apache.ambari.view.events.Listener listener, String viewName, String viewVersion)

Methods inherited from class java.lang.Object

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

Field Detail

HADOOP_SECURITY_AUTH_TO_LOCAL

public static final String HADOOP_SECURITY_AUTH_TO_LOCAL

See Also:

Constant Field Values

CORE_SITE

public static final String CORE_SITE

See Also:

Constant Field Values

HDFS_AUTH_TO_LOCAL

public static final String HDFS_AUTH_TO_LOCAL

See Also:

Constant Field Values

Constructor Detail

ViewContextImpl

public ViewContextImpl(ViewInstanceEntity viewInstanceEntity,
                       ViewRegistry viewRegistry)

Construct a view context from the given view instance entity.

Parameters:

viewInstanceEntity - the view entity

viewRegistry - the view registry

ViewContextImpl

public ViewContextImpl(ViewEntity viewEntity,
                       ViewRegistry viewRegistry)

Construct a view context from the given view entity.

Parameters:

viewEntity - the view entity

viewRegistry - the view registry

Method Detail

getViewName

public String getViewName()

Specified by:

getViewName in interface org.apache.ambari.view.ViewContext

getViewDefinition

public org.apache.ambari.view.ViewDefinition getViewDefinition()

Specified by:

getViewDefinition in interface org.apache.ambari.view.ViewContext

getInstanceName

public String getInstanceName()

Specified by:

getInstanceName in interface org.apache.ambari.view.ViewContext

getViewInstanceDefinition

public org.apache.ambari.view.ViewInstanceDefinition getViewInstanceDefinition()

Specified by:

getViewInstanceDefinition in interface org.apache.ambari.view.ViewContext

getProperties

public Map<String,String> getProperties()

Specified by:

getProperties in interface org.apache.ambari.view.ViewContext

putInstanceData

public void putInstanceData(String key,
                            String value)

Specified by:

putInstanceData in interface org.apache.ambari.view.ViewContext

getInstanceData

public String getInstanceData(String key)

Specified by:

getInstanceData in interface org.apache.ambari.view.ViewContext

getInstanceData

public Map<String,String> getInstanceData()

Specified by:

getInstanceData in interface org.apache.ambari.view.ViewContext

removeInstanceData

public void removeInstanceData(String key)

Specified by:

removeInstanceData in interface org.apache.ambari.view.ViewContext

getAmbariProperty

public String getAmbariProperty(String key)

Specified by:

getAmbariProperty in interface org.apache.ambari.view.ViewContext

getResourceProvider

public org.apache.ambari.view.ResourceProvider<?> getResourceProvider(String type)

Specified by:

getResourceProvider in interface org.apache.ambari.view.ViewContext

getUsername

public String getUsername()

Specified by:

getUsername in interface org.apache.ambari.view.ViewContext

getLoggedinUser

public String getLoggedinUser()

Specified by:

getLoggedinUser in interface org.apache.ambari.view.ViewContext

hasPermission

public void hasPermission(String userName,
                          String permissionName)
                   throws org.apache.ambari.view.SecurityException

Specified by:

hasPermission in interface org.apache.ambari.view.ViewContext

Throws:

org.apache.ambari.view.SecurityException

getURLStreamProvider

public org.apache.ambari.view.URLStreamProvider getURLStreamProvider()

Specified by:

getURLStreamProvider in interface org.apache.ambari.view.ViewContext

getURLConnectionProvider

public org.apache.ambari.view.URLConnectionProvider getURLConnectionProvider()

Specified by:

getURLConnectionProvider in interface org.apache.ambari.view.ViewContext

getAmbariStreamProvider

public org.apache.ambari.view.AmbariStreamProvider getAmbariStreamProvider()

Specified by:

getAmbariStreamProvider in interface org.apache.ambari.view.ViewContext

getAmbariClusterStreamProvider

public org.apache.ambari.view.AmbariStreamProvider getAmbariClusterStreamProvider()

Specified by:

getAmbariClusterStreamProvider in interface org.apache.ambari.view.ViewContext

getDataStore

public org.apache.ambari.view.DataStore getDataStore()

Specified by:

getDataStore in interface org.apache.ambari.view.ViewContext

getViewDefinitions

public Collection<org.apache.ambari.view.ViewDefinition> getViewDefinitions()

Specified by:

getViewDefinitions in interface org.apache.ambari.view.ViewContext

getViewInstanceDefinitions

public Collection<org.apache.ambari.view.ViewInstanceDefinition> getViewInstanceDefinitions()

Specified by:

getViewInstanceDefinitions in interface org.apache.ambari.view.ViewContext

getController

public org.apache.ambari.view.ViewController getController()

Specified by:

getController in interface org.apache.ambari.view.ViewContext

getHttpImpersonator

public HttpImpersonatorImpl getHttpImpersonator()

Specified by:

getHttpImpersonator in interface org.apache.ambari.view.ViewContext

getImpersonatorSetting

public org.apache.ambari.view.ImpersonatorSetting getImpersonatorSetting()

Specified by:

getImpersonatorSetting in interface org.apache.ambari.view.ViewContext

getCluster

public org.apache.ambari.view.cluster.Cluster getCluster()

Specified by:

getCluster in interface org.apache.ambari.view.ViewContext

fireEvent

public void fireEvent(String eventId,
                      Map<String,String> eventProperties)

Specified by:

fireEvent in interface org.apache.ambari.view.ViewController

registerListener

public void registerListener(org.apache.ambari.view.events.Listener listener,
                             String viewName)

Specified by:

registerListener in interface org.apache.ambari.view.ViewController

registerListener

public void registerListener(org.apache.ambari.view.events.Listener listener,
                             String viewName,
                             String viewVersion)

Specified by:

registerListener in interface org.apache.ambari.view.ViewController

unregisterListener

public void unregisterListener(org.apache.ambari.view.events.Listener listener,
                               String viewName)

Specified by:

unregisterListener in interface org.apache.ambari.view.ViewController

unregisterListener

public void unregisterListener(org.apache.ambari.view.events.Listener listener,
                               String viewName,
                               String viewVersion)

Specified by:

unregisterListener in interface org.apache.ambari.view.ViewController