| java.lang.Object | ||
| ↳ | java.lang.Enum<E extends java.lang.Enum<E>> | |
| ↳ | org.apache.helix.PropertyType | |
Class Overview
Types of data stored on Zookeeper by Helix
Summary
| Enum Values | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PropertyType | ALERTS | ||||||||||
| PropertyType | ALERT_HISTORY | ||||||||||
| PropertyType | ALERT_STATUS | ||||||||||
| PropertyType | CLUSTER | ||||||||||
| PropertyType | CONFIGS | ||||||||||
| PropertyType | CONTEXT | ||||||||||
| PropertyType | CONTROLLER | ||||||||||
| PropertyType | CURRENTSTATES | ||||||||||
| PropertyType | ERRORS | ||||||||||
| PropertyType | ERRORS_CONTROLLER | ||||||||||
| PropertyType | EXTERNALVIEW | ||||||||||
| PropertyType | HEALTHREPORT | ||||||||||
| PropertyType | HISTORY | ||||||||||
| PropertyType | IDEALSTATES | ||||||||||
| PropertyType | INSTANCES | ||||||||||
| PropertyType | LEADER | ||||||||||
| PropertyType | LIVEINSTANCES | ||||||||||
| PropertyType | MESSAGES | ||||||||||
| PropertyType | MESSAGES_CONTROLLER | ||||||||||
| PropertyType | PAUSE | ||||||||||
| PropertyType | PERSISTENTSTATS | ||||||||||
| PropertyType | PROPERTYSTORE | ||||||||||
| PropertyType | RESOURCEASSIGNMENTS | ||||||||||
| PropertyType | STATEMODELDEFS | ||||||||||
| PropertyType | STATUSUPDATES | ||||||||||
| PropertyType | STATUSUPDATES_CONTROLLER | ||||||||||
| Public Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Gets the type of the associated node
| |||||||||||
Check if value is cached
| |||||||||||
Determine if the property should only be created if it does not exist
| |||||||||||
Determine if the property is merged or replaced on update
| |||||||||||
Get the persistent state of the property
| |||||||||||
Determine if this property is only updated if it exists
| |||||||||||
Set policy for creating only if it does not already exist
| |||||||||||
Enable or disable merging on an update to this property
| |||||||||||
Set the persistent state of the property
| |||||||||||
Set the type of the associated node
| |||||||||||
Enable or disable updating only on existence
| |||||||||||
Check if this property uses a property transfer server
| |||||||||||
|
[Expand]
Inherited Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
From class
java.lang.Enum
| |||||||||||
|
From class
java.lang.Object
| |||||||||||
|
From interface
java.lang.Comparable
| |||||||||||
Enum Values
Public Methods
public Type getType ()
Gets the type of the associated node
Returns
- Type
public boolean isCached ()
Check if value is cached
Returns
- true if cached, false otherwise
public boolean isCreateOnlyIfAbsent ()
Determine if the property should only be created if it does not exist
Returns
- true if it can only be created if absent, false otherwise
public boolean isMergeOnUpdate ()
Determine if the property is merged or replaced on update
Returns
- true if merge occurs on update, false otherwise
public boolean isPersistent ()
Get the persistent state of the property
Returns
- true if persistent, false if ephemeral
public boolean isUpdateOnlyOnExists ()
Determine if this property is only updated if it exists
Returns
- true if only updated when it exists, false otherwise
public void setCreateIfAbsent (boolean createIfAbsent)
Set policy for creating only if it does not already exist
public void setMergeOnUpdate (boolean mergeOnUpdate)
Enable or disable merging on an update to this property
public void setPersistent (boolean isPersistent)
Set the persistent state of the property
public void setType (Type type)
Set the type of the associated node
Parameters
| type | Type |
|---|
public void setUpdateOnlyOnExists (boolean updateOnlyOnExists)
Enable or disable updating only on existence
public boolean usePropertyTransferServer ()
Check if this property uses a property transfer server
Returns
- true if a property transfer server is used, false otherwise