com.mapr.streams

Interface Admin

All Superinterfaces:

java.lang.AutoCloseable

All Known Implementing Classes:

MarlinAdminImpl

public interface Admin
extends java.lang.AutoCloseable

Method Summary

Methods

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

Method Detail

createStream

void createStream(java.lang.String streamPath,
                StreamDescriptor desc)
                  throws java.io.IOException,
                         java.lang.IllegalArgumentException

Create a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

desc - descriptor for stream attributes

Throws:

java.io.IOException

java.lang.IllegalArgumentException

editStream

void editStream(java.lang.String streamPath,
              StreamDescriptor desc)
                throws java.io.IOException,
                       java.lang.IllegalArgumentException

Modify the attributes of a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

desc - descriptor for stream attributes

Throws:

java.io.IOException

java.lang.IllegalArgumentException

getStreamDescriptor

StreamDescriptor getStreamDescriptor(java.lang.String streamPath)
                                     throws java.io.IOException,
                                            java.lang.IllegalArgumentException

Get the StreamDescriptor for a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

Returns:

descriptor for stream attributes

Throws:

java.io.IOException

java.lang.IllegalArgumentException

deleteStream

void deleteStream(java.lang.String streamPath)
                  throws java.io.IOException,
                         java.lang.IllegalArgumentException

Delete a stream.

Parameters:

streamPath - absolute path of the stream in MapR-FS

Throws:

java.io.IOException

java.lang.IllegalArgumentException

countTopics

int countTopics(java.lang.String streamPath)
                throws java.io.IOException,
                       java.lang.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:

java.io.IOException

java.lang.IllegalArgumentException

createTopic

void createTopic(java.lang.String streamPath,
               java.lang.String topicName)
                 throws java.io.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:

java.io.IOException

createTopic

void createTopic(java.lang.String streamPath,
               java.lang.String topicName,
               int npartitions)
                 throws java.io.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:

java.io.IOException

editTopic

void editTopic(java.lang.String streamPath,
             java.lang.String topicName,
             int npartitions)
               throws java.io.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:

java.io.IOException

deleteTopic

void deleteTopic(java.lang.String streamPath,
               java.lang.String topicName)
                 throws java.io.IOException

Delete a topic.

Parameters:

streamPath - absolute path of the stream in MapR-FS

topicName - name of the topic

Throws:

java.io.IOException

close

void close()

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

Specified by:

close in interface java.lang.AutoCloseable