org.apache.ambari.server.controller.internal

Class HttpPropertyProvider.HttpPropertyRequest

java.lang.Object

org.apache.ambari.server.controller.internal.HttpPropertyProvider.HttpPropertyRequest

Direct Known Subclasses:

JsonHttpPropertyRequest

Enclosing class:

HttpPropertyProvider

public abstract static class HttpPropertyProvider.HttpPropertyRequest
extends Object

Represents an HTTP request to another server for properties to be used to populate an Ambari resource.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HttpPropertyRequest(Map<String,String> propertyMappings)

Method Summary

Modifier and Type	Method and Description
protected Map<String,String>	getPropertyMappings() Get the property name mappings from source property to Ambari property.
Collection<String>	getSupportedProperties() Get the names of the Ambari properties that can be set by this HTTP property request.
abstract String	getUrl(Cluster cluster, String hostName) Get the URL used to make the HTTP request.
abstract void	populateResource(Resource resource, InputStream inputStream) Populate the given resource from the given input stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpPropertyRequest

protected HttpPropertyRequest(Map<String,String> propertyMappings)

Method Detail

getSupportedProperties

public Collection<String> getSupportedProperties()

Get the names of the Ambari properties that can be set by this HTTP property request.

Returns:

the supported property names

getPropertyMappings

protected Map<String,String> getPropertyMappings()

Get the property name mappings from source property to Ambari property.

Returns:

the source to Ambari property name mappings

getUrl

public abstract String getUrl(Cluster cluster,
                              String hostName)
                       throws SystemException

Get the URL used to make the HTTP request.

Parameters:

cluster - the cluster of the resource being populated

hostName - the host name of the resource being populated

Returns:

the URL to make the HTTP request

Throws:

SystemException - if the URL can not be obtained

populateResource

public abstract void populateResource(Resource resource,
                                      InputStream inputStream)
                               throws SystemException

Populate the given resource from the given input stream.

Parameters:

resource - the Ambari resource to populate

inputStream - the input stream from the HTTP request

Throws:

SystemException - if the resource can not be populated