Class Commands.SnapshotCommand
java.lang.Object
org.apache.zookeeper.server.admin.CommandBase
org.apache.zookeeper.server.admin.GetCommand
org.apache.zookeeper.server.admin.Commands.SnapshotCommand
- All Implemented Interfaces:
Command
- Enclosing class:
- Commands
Take a snapshot of current server and stream out the data.
Argument:
- "streaming": optional String to indicate whether streaming out data
Returned snapshot as stream if streaming is true and metadata of the snapshot
- "last_zxid": String
- "snapshot_size": String
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionrunGet
(ZooKeeperServer zkServer, Map<String, String> kwargs) Run this command for HTTP GET request.Methods inherited from class org.apache.zookeeper.server.admin.GetCommand
runPost
Methods inherited from class org.apache.zookeeper.server.admin.CommandBase
getAuthRequest, getNames, getPrimaryName, initializeResponse, isServerRequired
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Constructor Details
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SnapshotCommand
public SnapshotCommand()
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Method Details
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runGet
Description copied from interface:Command
Run this command for HTTP GET request. Commands take a ZooKeeperServer, String-valued keyword arguments and return a CommandResponse object containing any information constituting the response to the command. Commands are responsible for parsing keyword arguments and performing any error handling if necessary. Errors should be reported by setting the "error" entry of the returned map with an appropriate message rather than throwing an exception.- Parameters:
zkServer
- ZooKeeper serverkwargs
- keyword -> argument value mapping- Returns:
- CommandResponse representing response to command containing at minimum: - "command" key containing the command's primary name - "error" key containing a String error message or null if no error
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