Package org.apache.zookeeper.client

Class ZKClientConfig

java.lang.Object

org.apache.zookeeper.common.ZKConfig

org.apache.zookeeper.client.ZKClientConfig

@Public
public class ZKClientConfig
extends ZKConfig

Handles client specific properties

Since:

3.5.2

Field Summary

Fields

Modifier and Type	Field	Description
static int	CLIENT_MAX_PACKET_LENGTH_DEFAULT
static String	DISABLE_AUTO_WATCH_RESET	This controls whether automatic watch resetting is enabled.
static String	ENABLE_CLIENT_SASL_DEFAULT
static String	ENABLE_CLIENT_SASL_KEY
static String	LOGIN_CONTEXT_NAME_KEY
static String	LOGIN_CONTEXT_NAME_KEY_DEFAULT
static String	SECURE_CLIENT	Setting this to "true" will enable encrypted client-server communication.
static String	ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME
static String	ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME_DEFAULT
static String	ZK_SASL_CLIENT_USERNAME
static String	ZK_SASL_CLIENT_USERNAME_DEFAULT
static String	ZOOKEEPER_CLIENT_CNXN_SOCKET
static String	ZOOKEEPER_REQUEST_TIMEOUT
static long	ZOOKEEPER_REQUEST_TIMEOUT_DEFAULT	Feature is disabled by default.
static String	ZOOKEEPER_SERVER_PRINCIPAL
static String	ZOOKEEPER_SERVER_REALM

Fields inherited from class org.apache.zookeeper.common.ZKConfig

JGSS_NATIVE, JUTE_MAXBUFFER, KINIT_COMMAND

Constructor Summary

Constructors

Constructor	Description
ZKClientConfig()
ZKClientConfig(File configFile)
ZKClientConfig(String configPath)

Method Summary

Modifier and Type	Method	Description
long	getLong(String key, long defaultValue)	Get the value of the key property as an long.
protected void	handleBackwardCompatibility()	Now onwards client code will use properties from this class but older clients still be setting properties through system properties.
boolean	isSaslClientEnabled()	Returns true if the SASL client is enabled.

Methods inherited from class org.apache.zookeeper.common.ZKConfig

addConfiguration, addConfiguration, getBoolean, getBoolean, getInt, getJaasConfKey, getProperty, getProperty, setProperty

Methods inherited from class java.lang.Object

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

Field Detail

ZK_SASL_CLIENT_USERNAME

public static final String ZK_SASL_CLIENT_USERNAME

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Constant Field Values

ZK_SASL_CLIENT_USERNAME_DEFAULT

public static final String ZK_SASL_CLIENT_USERNAME_DEFAULT

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Constant Field Values

ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME

public static final String ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME

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Constant Field Values

ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME_DEFAULT

public static final String ZK_SASL_CLIENT_CANONICALIZE_HOSTNAME_DEFAULT

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Constant Field Values

LOGIN_CONTEXT_NAME_KEY

public static final String LOGIN_CONTEXT_NAME_KEY

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Constant Field Values

LOGIN_CONTEXT_NAME_KEY_DEFAULT

public static final String LOGIN_CONTEXT_NAME_KEY_DEFAULT

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Constant Field Values

ENABLE_CLIENT_SASL_KEY

public static final String ENABLE_CLIENT_SASL_KEY

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Constant Field Values

ENABLE_CLIENT_SASL_DEFAULT

public static final String ENABLE_CLIENT_SASL_DEFAULT

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Constant Field Values

ZOOKEEPER_SERVER_REALM

public static final String ZOOKEEPER_SERVER_REALM

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Constant Field Values

DISABLE_AUTO_WATCH_RESET

public static final String DISABLE_AUTO_WATCH_RESET

This controls whether automatic watch resetting is enabled. Clients automatically reset watches during session reconnect, this option allows the client to turn off this behavior by setting the property "zookeeper.disableAutoWatchReset" to "true"

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Constant Field Values

ZOOKEEPER_CLIENT_CNXN_SOCKET

public static final String ZOOKEEPER_CLIENT_CNXN_SOCKET

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Constant Field Values

SECURE_CLIENT

public static final String SECURE_CLIENT

Setting this to "true" will enable encrypted client-server communication.

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Constant Field Values

CLIENT_MAX_PACKET_LENGTH_DEFAULT

public static final int CLIENT_MAX_PACKET_LENGTH_DEFAULT

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Constant Field Values

ZOOKEEPER_REQUEST_TIMEOUT

public static final String ZOOKEEPER_REQUEST_TIMEOUT

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Constant Field Values

ZOOKEEPER_SERVER_PRINCIPAL

public static final String ZOOKEEPER_SERVER_PRINCIPAL

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Constant Field Values

ZOOKEEPER_REQUEST_TIMEOUT_DEFAULT

public static final long ZOOKEEPER_REQUEST_TIMEOUT_DEFAULT

Feature is disabled by default.

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Constant Field Values

Constructor Detail

ZKClientConfig

public ZKClientConfig()

ZKClientConfig

public ZKClientConfig(File configFile)
               throws QuorumPeerConfig.ConfigException

Throws:

QuorumPeerConfig.ConfigException

ZKClientConfig

public ZKClientConfig(String configPath)
               throws QuorumPeerConfig.ConfigException

Throws:

QuorumPeerConfig.ConfigException

Method Detail

handleBackwardCompatibility

protected void handleBackwardCompatibility()

Description copied from class: ZKConfig

Now onwards client code will use properties from this class but older clients still be setting properties through system properties. So to make this change backward compatible we should set old system properties in this configuration.

Overrides:

handleBackwardCompatibility in class ZKConfig

isSaslClientEnabled

public boolean isSaslClientEnabled()

Returns true if the SASL client is enabled. By default, the client is enabled but can be disabled by setting the system property zookeeper.sasl.client to false. See ZOOKEEPER-1657 for more information.

Returns:

true if the SASL client is enabled.

getLong

public long getLong(String key,
                    long defaultValue)

Get the value of the key property as an long. If property is not set, the provided defaultValue is returned

Parameters:

key - property key.

defaultValue - default value.

Returns:

return property value as an long, or defaultValue

Throws:

NumberFormatException - when the value is invalid