com.mapr.streams

Interface Admin

All Superinterfaces:

AutoCloseable

public interface Admin
extends AutoCloseable

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Override AutoCloseable.close() to avoid declaring a checked exception.
int	countTopics(String streamPath) Count the number of topics in a stream.
void	createStream(String streamPath, StreamDescriptor desc) Create a stream.
void	createTopic(String streamPath, String topicName) Create a topic with the default number of partitions.
void	createTopic(String streamPath, String topicName, int npartitions) Create a topic with the specified number of partitions.
void	deleteStream(String streamPath) Delete a stream.
void	deleteTopic(String streamPath, String topicName) Delete a topic.
void	editStream(String streamPath, StreamDescriptor desc) Modify the attributes of a stream.
void	editTopic(String streamPath, String topicName, int npartitions) Modify the number of partitions for a topic.
StreamDescriptor	getStreamDescriptor(String streamPath) Get the StreamDescriptor for a stream.

Method Detail

createStream

void createStream(String streamPath,
                StreamDescriptor desc)
                  throws IOException,
                         IllegalArgumentException

Create a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

desc - descriptor for stream attributes

Throws:

IOException

IllegalArgumentException

editStream

void editStream(String streamPath,
              StreamDescriptor desc)
                throws IOException,
                       IllegalArgumentException

Modify the attributes of a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

desc - descriptor for stream attributes

Throws:

IOException

IllegalArgumentException

getStreamDescriptor

StreamDescriptor getStreamDescriptor(String streamPath)
                                     throws IOException,
                                            IllegalArgumentException

Get the StreamDescriptor for a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

Returns:

descriptor for stream attributes

Throws:

IOException

IllegalArgumentException

deleteStream

void deleteStream(String streamPath)
                  throws IOException,
                         IllegalArgumentException

Delete a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

Throws:

IOException

IllegalArgumentException

countTopics

int countTopics(String streamPath)
                throws IOException,
                       IllegalArgumentException

Count the number of topics in a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

Returns:

number of topics in the stream.

Throws:

IOException

IllegalArgumentException

createTopic

void createTopic(String streamPath,
               String topicName)
                 throws IOException

Create a topic with the default number of partitions.

Parameters:

streamPath - absolute path of the stream in MapR-FS

topicName - name of the topic

Throws:

IOException

createTopic

void createTopic(String streamPath,
               String topicName,
               int npartitions)
                 throws IOException

Create a topic with the specified number of partitions.

Parameters:

streamPath - absolute path of the stream in MapR-FS

topicName - name of the topic

Throws:

IOException

editTopic

void editTopic(String streamPath,
             String topicName,
             int npartitions)
               throws IOException

Modify the number of partitions for a topic.

Parameters:

streamPath - absolute path of the stream in MapR-FS

topicName - name of the topic

Throws:

IOException

deleteTopic

void deleteTopic(String streamPath,
               String topicName)
                 throws IOException

Delete a topic.

Parameters:

streamPath - absolute path of the stream in MapR-FS

topicName - name of the topic

Throws:

IOException

close

void close()

Override AutoCloseable.close() to avoid declaring a checked exception.

Specified by:

close in interface AutoCloseable