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boolean
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create(String path, T data, int options)
This will always attempt to create the znode, if it exists it will return false.
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boolean[]
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createChildren(List<String> paths, List<T> records, int options)
Use it when creating children under a parent node.
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boolean[]
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exists(List<String> paths, int options)
checks if the all the paths exists
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boolean
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exists(String path, int options)
checks if the path exists in zk
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List<T>
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get(List<String> paths, List<Stat> stats, int options)
Get List of T corresponding to the paths using async api
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T
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get(String path, Stat stat, int options)
Get the T corresponding to the path
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List<String>
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getChildNames(String parentPath, int options)
Returns the child names given a parent path
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List<T>
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getChildren(String parentPath, List<Stat> stats, int options)
Get the children under a parent path using async api
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|
Stat
|
getStat(String path, int options)
Get the stats of a single path
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Stat[]
|
getStats(List<String> paths, int options)
Get the stats of all the paths
|
|
boolean[]
|
remove(List<String> paths, int options)
remove multiple paths using async api.
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boolean
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remove(String path, int options)
This will remove the ZNode and all its descendants if any
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void
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reset()
TODO refactor this.
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boolean
|
set(String path, T data, int options)
This will always attempt to set the data on existing node.
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boolean
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set(String path, T data, int expectVersion, int options)
This will attempt to set the data on existing node only if version matches.
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|
boolean[]
|
setChildren(List<String> paths, List<T> records, int options)
can set multiple children under a parent node.
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|
void
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start()
Perform resource allocation when property store starts
Resource allocation includes: - start an internal thread for fire callbacks
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void
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stop()
Perform clean up when property store stops
Cleanup includes: - stop the internal thread for fire callbacks
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void
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subscribe(String parentPath, HelixPropertyListener listener)
Register a listener to a parent path.
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List<String>
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subscribeChildChanges(String path, IZkChildListener listener)
Subscribe child listener to path
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void
|
subscribeDataChanges(String path, IZkDataListener listener)
Subscribe data listener to path
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|
void
|
unsubscribe(String parentPath, HelixPropertyListener listener)
Remove a listener from a parent path.
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void
|
unsubscribeChildChanges(String path, IZkChildListener listener)
Unsubscribe child listener to path
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|
void
|
unsubscribeDataChanges(String path, IZkDataListener listener)
Unsubscribe data listener to path
|
|
boolean
|
update(String path, DataUpdater<T> updater, int options)
This will attempt to update the data using the updater.
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boolean[]
|
updateChildren(List<String> paths, List<DataUpdater<T>> updaters, int options)
Can update multiple nodes using async api for better performance.
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From class
org.apache.helix.manager.zk.ZkCacheBaseDataAccessor