Package org.apache.accumulo.test.randomwalk

Class Environment

java.lang.Object

org.apache.accumulo.test.randomwalk.Environment

public class Environment
extends Object

The test environment that is available for randomwalk tests. This includes configuration properties that are available to any randomwalk test and facilities for creating client-side objects. This class is not thread-safe.

Field Summary

Fields

Modifier and Type	Field	Description
static String	KEY_INSTANCE	The configuration property key for the instance name.
static String	KEY_KEYTAB	The configuration property key for a keytab
static String	KEY_MAX_LATENCY	The configuration property key for the maximum latency, in milliseconds, for the multi-table batch writer.
static String	KEY_MAX_MEM	The configuration property key for the maximum memory for the multi-table batch writer.
static String	KEY_NUM_THREADS	The configuration property key for the number of write threads for the multi-table batch writer.
static String	KEY_PASSWORD	The configuration property key for a password.
static String	KEY_USERNAME	The configuration property key for a username.
static String	KEY_ZOOKEEPERS	The configuration property key for the comma-separated list of ZooKeepers.

Constructor Summary

Constructors

Constructor	Description
Environment(Properties p)	Creates a new test environment.

Method Summary

Modifier and Type	Method	Description
String	getConfigProperty(String key)	Gets a configuration property.
Connector	getConnector()	Gets an Accumulo connector.
Instance	getInstance()	Gets an Accumulo instance object.
String	getKeytab()	Gets the configured keytab.
MultiTableBatchWriter	getMultiTableBatchWriter()	Gets a multitable batch writer.
String	getPassword()	Gets the configured password.
String	getPid()	Gets this process's ID.
AuthenticationToken	getToken()	Gets an authentication token based on the configured password.
String	getUserName()	Gets the configured username.
boolean	isMultiTableBatchWriterInitialized()	Checks if a multitable batch writer has been created by this wrapper.
void	resetMultiTableBatchWriter()	Clears the multitable batch writer previously created and remembered by this wrapper.

Methods inherited from class java.lang.Object

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

Field Detail

KEY_USERNAME

public static final String KEY_USERNAME

The configuration property key for a username.

See Also:

Constant Field Values

KEY_PASSWORD

public static final String KEY_PASSWORD

The configuration property key for a password.

See Also:

Constant Field Values

KEY_KEYTAB

public static final String KEY_KEYTAB

The configuration property key for a keytab

See Also:

Constant Field Values

KEY_INSTANCE

public static final String KEY_INSTANCE

The configuration property key for the instance name.

See Also:

Constant Field Values

KEY_ZOOKEEPERS

public static final String KEY_ZOOKEEPERS

The configuration property key for the comma-separated list of ZooKeepers.

See Also:

Constant Field Values

KEY_MAX_MEM

public static final String KEY_MAX_MEM

The configuration property key for the maximum memory for the multi-table batch writer.

See Also:

Constant Field Values

KEY_MAX_LATENCY

public static final String KEY_MAX_LATENCY

The configuration property key for the maximum latency, in milliseconds, for the multi-table batch writer.

See Also:

Constant Field Values

KEY_NUM_THREADS

public static final String KEY_NUM_THREADS

The configuration property key for the number of write threads for the multi-table batch writer.

See Also:

Constant Field Values

Constructor Detail

Environment

public Environment(Properties p)

Creates a new test environment.

Parameters:

p - configuration properties

Throws:

NullPointerException - if p is null

Method Detail

getConfigProperty

public String getConfigProperty(String key)

Gets a configuration property.

Parameters:

key - key

Returns:

property value

getUserName

public String getUserName()

Gets the configured username.

Returns:

username

getPassword

public String getPassword()

Gets the configured password.

Returns:

password

getKeytab

public String getKeytab()

Gets the configured keytab.

Returns:

path to keytab

getPid

public String getPid()

Gets this process's ID.

Returns:

pid

getToken

public AuthenticationToken getToken()

Gets an authentication token based on the configured password.

Returns:

authentication token

getInstance

public Instance getInstance()

Gets an Accumulo instance object. The same instance is reused after the first call.

Returns:

instance

getConnector

public Connector getConnector()
                       throws AccumuloException,
                              AccumuloSecurityException

Gets an Accumulo connector. The same connector is reused after the first call.

Returns:

connector

Throws:

AccumuloException

AccumuloSecurityException

getMultiTableBatchWriter

public MultiTableBatchWriter getMultiTableBatchWriter()
                                               throws AccumuloException,
                                                      AccumuloSecurityException,
                                                      NumberFormatException

Gets a multitable batch writer. The same object is reused after the first call unless it is reset.

Returns:

multitable batch writer

Throws:

NumberFormatException - if any of the numeric batch writer configuration properties cannot be parsed

AccumuloException

AccumuloSecurityException

isMultiTableBatchWriterInitialized

public boolean isMultiTableBatchWriterInitialized()

Checks if a multitable batch writer has been created by this wrapper.

Returns:

true if multitable batch writer is already created

resetMultiTableBatchWriter

public void resetMultiTableBatchWriter()

Clears the multitable batch writer previously created and remembered by this wrapper.