com.alibaba.hbase.haclient

类 ClusterSwitchUtil

java.lang.Object

com.alibaba.hbase.haclient.ClusterSwitchUtil

public class ClusterSwitchUtil
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	ClusterSwitchUtil.ZKClusterKey

字段概要

字段

限定符和类型	字段和说明
static Pattern	CLUSTER_KEY_PATTERN
static String	CONF_SEPARATOR
static Pattern	ENDPOINT_PATTERN
static String	ZOOKEEPER_CONNECT_NODE
static String	ZOOKEEPER_CONNECT_NODE_DEFAULT
static String	ZOOKEEPER_CREATE_NODE
static String	ZOOKEEPER_CREATE_NODE_DEFAULT
static String	ZOOKEEPER_DUAL_TABLE_NODE
static String	ZOOKEEPER_DUAL_TABLE_NODE_DEFAULT
static String	ZOOKEEPER_DUAL_TRACE_NODE
static String	ZOOKEEPER_DUAL_TRACE_NODE_DEFAULT
static String	ZOOKEEPER_LINK_NODE
static String	ZOOKEEPER_LINK_NODE_DEFAULT
static String	ZOOKEEPER_MODIFY_NODE
static String	ZOOKEEPER_MODIFY_NODE_DEFAULT
static String	ZOOKEEPER_REDIRECT_NODE
static String	ZOOKEEPER_REDIRECT_NODE_DEFAULT

构造器概要

构造器

构造器和说明
ClusterSwitchUtil()

方法概要

限定符和类型	方法和说明
static void	applyClusterKeyToConf(org.apache.hadoop.conf.Configuration conf, String key) Apply the settings in the given key to the given configuration, this is used to communicate with distant clusters
static String	buildQuorumServerString(String[] serverHosts, String clientPort) Build the ZK quorum server string with "server:clientport" list, separated by ','
static org.apache.hadoop.conf.Configuration	createConfForSalveCluster(int index, org.apache.hadoop.conf.Configuration conf)
static org.apache.hadoop.conf.Configuration	createConfWithConnectKey(String connectKey, org.apache.hadoop.conf.Configuration conf)
static String	getBaseNode(String baseNode, String hacluster) get different base node for different hacluster
static String	getConnectKey(org.apache.hadoop.conf.Configuration conf) Get the connect key
static String	getZooKeeperClusterKey(org.apache.hadoop.conf.Configuration conf) Get the key to the ZK ensemble for this configuration and append a name at the end
static boolean	isValidClusterKey(String clusterKey) Check whether the given cluster key is a valid format: zk1,zk2:port:/znode
static boolean	isValidConnectKey(String key) Check whether the given string is a valid endpoint or cluster key
static boolean	isValidEndpoint(String endpoint) Check whether the given endpoint is a valid format: hostname:port
static Map<Integer,String>	parseSlaveClustersNames(org.apache.hadoop.conf.Configuration conf) Return a map, the key is the index of the slave clusters, value is the actual conf key for this slave clusters
static SwitchCommand	toSwitchCommand(byte[] data)
static byte[]	toSwitchCommandBytes(String clusterKey, long ts)
static ClusterSwitchUtil.ZKClusterKey	transformClusterKey(String key) Separate the given key into the three configurations it should contain: hbase.zookeeper.quorum, hbase.zookeeper.client.port and zookeeper.znode.parent

从类继承的方法 java.lang.Object

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

字段详细资料

ZOOKEEPER_REDIRECT_NODE

public static String ZOOKEEPER_REDIRECT_NODE

ZOOKEEPER_CONNECT_NODE

public static String ZOOKEEPER_CONNECT_NODE

ZOOKEEPER_LINK_NODE

public static String ZOOKEEPER_LINK_NODE

ZOOKEEPER_CREATE_NODE

public static String ZOOKEEPER_CREATE_NODE

ZOOKEEPER_MODIFY_NODE

public static String ZOOKEEPER_MODIFY_NODE

ZOOKEEPER_DUAL_TABLE_NODE

public static String ZOOKEEPER_DUAL_TABLE_NODE

ZOOKEEPER_DUAL_TRACE_NODE

public static String ZOOKEEPER_DUAL_TRACE_NODE

CLUSTER_KEY_PATTERN

public static final Pattern CLUSTER_KEY_PATTERN

ENDPOINT_PATTERN

public static final Pattern ENDPOINT_PATTERN

ZOOKEEPER_REDIRECT_NODE_DEFAULT

public static String ZOOKEEPER_REDIRECT_NODE_DEFAULT

ZOOKEEPER_CONNECT_NODE_DEFAULT

public static String ZOOKEEPER_CONNECT_NODE_DEFAULT

ZOOKEEPER_LINK_NODE_DEFAULT

public static String ZOOKEEPER_LINK_NODE_DEFAULT

ZOOKEEPER_CREATE_NODE_DEFAULT

public static String ZOOKEEPER_CREATE_NODE_DEFAULT

ZOOKEEPER_MODIFY_NODE_DEFAULT

public static String ZOOKEEPER_MODIFY_NODE_DEFAULT

ZOOKEEPER_DUAL_TABLE_NODE_DEFAULT

public static String ZOOKEEPER_DUAL_TABLE_NODE_DEFAULT

ZOOKEEPER_DUAL_TRACE_NODE_DEFAULT

public static String ZOOKEEPER_DUAL_TRACE_NODE_DEFAULT

CONF_SEPARATOR

public static String CONF_SEPARATOR

构造器详细资料

ClusterSwitchUtil

public ClusterSwitchUtil()

方法详细资料

buildQuorumServerString

public static String buildQuorumServerString(String[] serverHosts,
                                             String clientPort)

Build the ZK quorum server string with "server:clientport" list, separated by ','

参数:

serverHosts - a list of servers for ZK quorum

clientPort - the default client port

返回:

the string for a list of "server:port" separated by ","

transformClusterKey

public static ClusterSwitchUtil.ZKClusterKey transformClusterKey(String key)
                                                          throws IOException

Separate the given key into the three configurations it should contain: hbase.zookeeper.quorum, hbase.zookeeper.client.port and zookeeper.znode.parent

参数:

key -

返回:

the three configuration in the described order

抛出:

IOException

applyClusterKeyToConf

public static void applyClusterKeyToConf(org.apache.hadoop.conf.Configuration conf,
                                         String key)
                                  throws IOException

Apply the settings in the given key to the given configuration, this is used to communicate with distant clusters

参数:

conf - configuration object to configure

key - string that contains the 3 required configuratins

抛出:

IOException

getZooKeeperClusterKey

public static String getZooKeeperClusterKey(org.apache.hadoop.conf.Configuration conf)

Get the key to the ZK ensemble for this configuration and append a name at the end

参数:

conf - Configuration to use to build the key

返回:

ensemble key with a name (if any)

getConnectKey

public static String getConnectKey(org.apache.hadoop.conf.Configuration conf)

Get the connect key

参数:

conf - Configuration to use to build the key

返回:

ensemble key with a name (if any)

parseSlaveClustersNames

public static Map<Integer,String> parseSlaveClustersNames(org.apache.hadoop.conf.Configuration conf)
                                                   throws IOException

Return a map, the key is the index of the slave clusters, value is the actual conf key for this slave clusters

参数:

conf -

返回:

抛出:

IOException

createConfForSalveCluster

public static org.apache.hadoop.conf.Configuration createConfForSalveCluster(int index,
                                                                             org.apache.hadoop.conf.Configuration conf)
                                                                      throws IOException

抛出:

IOException

createConfWithConnectKey

public static org.apache.hadoop.conf.Configuration createConfWithConnectKey(String connectKey,
                                                                            org.apache.hadoop.conf.Configuration conf)
                                                                     throws IOException

抛出:

IOException

toSwitchCommandBytes

public static byte[] toSwitchCommandBytes(String clusterKey,
                                          long ts)

toSwitchCommand

public static SwitchCommand toSwitchCommand(byte[] data)
                                     throws IOException

抛出:

IOException

isValidClusterKey

public static boolean isValidClusterKey(String clusterKey)

Check whether the given cluster key is a valid format: zk1,zk2:port:/znode

参数:

clusterKey -

返回:

true if is a valid format of cluster key

isValidEndpoint

public static boolean isValidEndpoint(String endpoint)

Check whether the given endpoint is a valid format: hostname:port

参数:

endpoint -

返回:

true if is a valid format of cluster key

isValidConnectKey

public static boolean isValidConnectKey(String key)

Check whether the given string is a valid endpoint or cluster key

参数:

key -

返回:

true if is a valid format of key

getBaseNode

public static String getBaseNode(String baseNode,
                                 String hacluster)

get different base node for different hacluster

参数:

baseNode -

返回:

String