org.apache.ambari.server.controller.internal

Interface BlueprintConfigurationProcessor.PropertyUpdater

All Known Implementing Classes:

BlueprintConfigurationProcessor.MultipleHostTopologyUpdater, UnitUpdater

Enclosing class:

BlueprintConfigurationProcessor

public static interface BlueprintConfigurationProcessor.PropertyUpdater

Provides functionality to update a property value.

Method Summary

Modifier and Type	Method and Description
static BlueprintConfigurationProcessor.PropertyUpdater	defaultUpdater()
Collection<String>	getRequiredHostGroups(String propertyName, String origValue, Map<String,Map<String,String>> properties, ClusterTopology topology) Determine the required host groups for the provided property.
default String	updateForBlueprintExport(String propertyName, String value, Map<String,Map<String,String>> properties, ClusterTopology topology)
String	updateForClusterCreate(String propertyName, String origValue, Map<String,Map<String,String>> properties, ClusterTopology topology) Update a property value.

Method Detail

updateForClusterCreate

String updateForClusterCreate(String propertyName,
                              String origValue,
                              Map<String,Map<String,String>> properties,
                              ClusterTopology topology)

Update a property value.

Parameters:

propertyName - property name

origValue - original value of property

properties - all properties

topology - cluster topology

Returns:

new property value

updateForBlueprintExport

default String updateForBlueprintExport(String propertyName,
                                        String value,
                                        Map<String,Map<String,String>> properties,
                                        ClusterTopology topology)

getRequiredHostGroups

Collection<String> getRequiredHostGroups(String propertyName,
                                         String origValue,
                                         Map<String,Map<String,String>> properties,
                                         ClusterTopology topology)

Determine the required host groups for the provided property.

Parameters:

propertyName - property name

origValue - original value of property

properties - all properties

topology - cluster topology

Returns:

new property value

defaultUpdater

static BlueprintConfigurationProcessor.PropertyUpdater defaultUpdater()

Returns:

the default updater to apply on user defined (blueprint + cluster template, not stack defaults) properties configuration properties that do not have a registered updater