org.apache.samza.webapp

Class ApplicationMasterRestClient

java.lang.Object

org.apache.samza.webapp.ApplicationMasterRestClient

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class ApplicationMasterRestClient
extends java.lang.Object
implements java.io.Closeable

Client for the ApplicationMasterRestServlet.

Constructor Summary

Constructors

Constructor and Description
ApplicationMasterRestClient(org.apache.http.impl.client.CloseableHttpClient client, java.lang.String amHostName, int amRpcPort)

Method Summary

Modifier and Type	Method and Description
void	close()
java.util.Map<java.lang.String,java.lang.Object>	getAmState()
java.util.Map<java.lang.String,java.lang.Object>	getConfig()
java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Object>>	getMetrics()
java.util.Map<java.lang.String,java.lang.Object>	getTaskContext()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ApplicationMasterRestClient

public ApplicationMasterRestClient(org.apache.http.impl.client.CloseableHttpClient client,
                                   java.lang.String amHostName,
                                   int amRpcPort)

Method Detail

getMetrics

public java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Object>> getMetrics()
                                                                                            throws java.io.IOException

Returns:

the metrics as a map of groupName to metricName to metricValue.

Throws:

java.io.IOException - if there was an error fetching the metrics from the servlet.

getTaskContext

public java.util.Map<java.lang.String,java.lang.Object> getTaskContext()
                                                                throws java.io.IOException

Returns:

the task context as a map of key to value

Throws:

java.io.IOException - if there was an error fetching the task context from the servlet.

getAmState

public java.util.Map<java.lang.String,java.lang.Object> getAmState()
                                                            throws java.io.IOException

Returns:

the AM state as a map of key to value

Throws:

java.io.IOException - if there was an error fetching the AM state from the servlet.

getConfig

public java.util.Map<java.lang.String,java.lang.Object> getConfig()
                                                           throws java.io.IOException

Returns:

the config as a map of key to value

Throws:

java.io.IOException - if there was an error fetching the config from the servlet.

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object