org.apache.hadoop.hbase.zookeeper

Class ReadOnlyZKClient

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient

All Implemented Interfaces:

Closeable, AutoCloseable

@InterfaceAudience.Private
public final class ReadOnlyZKClient
extends Object
implements Closeable

A very simple read only zookeeper implementation without watcher support.

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEEPALIVE_MILLIS
static String	RECOVERY_RETRY
static String	RECOVERY_RETRY_INTERVAL_MILLIS

Constructor Summary

Constructors

Constructor and Description
ReadOnlyZKClient(org.apache.hadoop.conf.Configuration conf, org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer retryTimer)

Method Summary

Modifier and Type	Method and Description
void	close()
CompletableFuture<org.apache.zookeeper.data.Stat>	exists(String path)
CompletableFuture<org.apache.zookeeper.data.Stat>	exists(String path, long timeoutMs)
CompletableFuture<byte[]>	get(String path)
CompletableFuture<byte[]>	get(String path, long timeoutMs)
String	getConnectString()
CompletableFuture<List<String>>	list(String path)
CompletableFuture<List<String>>	list(String path, long timeoutMs)

Methods inherited from class java.lang.Object

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

Field Detail

RECOVERY_RETRY

public static final String RECOVERY_RETRY

See Also:

Constant Field Values

RECOVERY_RETRY_INTERVAL_MILLIS

public static final String RECOVERY_RETRY_INTERVAL_MILLIS

See Also:

Constant Field Values

KEEPALIVE_MILLIS

public static final String KEEPALIVE_MILLIS

See Also:

Constant Field Values

Constructor Detail

ReadOnlyZKClient

public ReadOnlyZKClient(org.apache.hadoop.conf.Configuration conf,
                        org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer retryTimer)

Method Detail

get

public CompletableFuture<byte[]> get(String path,
                                     long timeoutMs)

get

public CompletableFuture<byte[]> get(String path)

exists

public CompletableFuture<org.apache.zookeeper.data.Stat> exists(String path,
                                                                long timeoutMs)

exists

public CompletableFuture<org.apache.zookeeper.data.Stat> exists(String path)

list

public CompletableFuture<List<String>> list(String path,
                                            long timeoutMs)

list

public CompletableFuture<List<String>> list(String path)

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

getConnectString

public String getConnectString()