org.apache.hadoop.hbase.master
Class DeadServer
java.lang.Object
org.apache.hadoop.hbase.master.DeadServer
- All Implemented Interfaces:
- Iterable<ServerName>, Collection<ServerName>, Set<ServerName>
public class DeadServer
- extends Object
- implements Set<ServerName>
Class to hold dead servers list and utility querying dead server list.
DeadServer
public DeadServer()
isDeadServer
public boolean isDeadServer(String serverName)
- Parameters:
serverName - Server name
- Returns:
- true if server is dead
cleanPreviousInstance
public boolean cleanPreviousInstance(ServerName newServerName)
- A dead server that comes back alive has a different start code.
- Parameters:
newServerName - Servername as either host:port or
host,port,startcode.
- Returns:
- true if this server was dead before and coming back alive again
areDeadServersInProgress
public boolean areDeadServersInProgress()
- Checks if there are currently any dead servers being processed by the
master. Returns true if at least one region server is currently being
processed as dead.
- Returns:
- true if any RS are being processed as dead
clone
public Set<ServerName> clone()
- Overrides:
clone in class Object
add
public boolean add(ServerName e)
- Specified by:
add in interface Collection<ServerName>- Specified by:
add in interface Set<ServerName>
finish
public void finish(ServerName e)
size
public int size()
- Specified by:
size in interface Collection<ServerName>- Specified by:
size in interface Set<ServerName>
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty in interface Collection<ServerName>- Specified by:
isEmpty in interface Set<ServerName>
contains
public boolean contains(Object o)
- Specified by:
contains in interface Collection<ServerName>- Specified by:
contains in interface Set<ServerName>
iterator
public Iterator<ServerName> iterator()
- Specified by:
iterator in interface Iterable<ServerName>- Specified by:
iterator in interface Collection<ServerName>- Specified by:
iterator in interface Set<ServerName>
toArray
public Object[] toArray()
- Specified by:
toArray in interface Collection<ServerName>- Specified by:
toArray in interface Set<ServerName>
toArray
public <T> T[] toArray(T[] a)
- Specified by:
toArray in interface Collection<ServerName>- Specified by:
toArray in interface Set<ServerName>
remove
public boolean remove(Object o)
- Specified by:
remove in interface Collection<ServerName>- Specified by:
remove in interface Set<ServerName>
containsAll
public boolean containsAll(Collection<?> c)
- Specified by:
containsAll in interface Collection<ServerName>- Specified by:
containsAll in interface Set<ServerName>
addAll
public boolean addAll(Collection<? extends ServerName> c)
- Specified by:
addAll in interface Collection<ServerName>- Specified by:
addAll in interface Set<ServerName>
retainAll
public boolean retainAll(Collection<?> c)
- Specified by:
retainAll in interface Collection<ServerName>- Specified by:
retainAll in interface Set<ServerName>
removeAll
public boolean removeAll(Collection<?> c)
- Specified by:
removeAll in interface Collection<ServerName>- Specified by:
removeAll in interface Set<ServerName>
clear
public void clear()
- Specified by:
clear in interface Collection<ServerName>- Specified by:
clear in interface Set<ServerName>
equals
public boolean equals(Object o)
- Specified by:
equals in interface Collection<ServerName>- Specified by:
equals in interface Set<ServerName>- Overrides:
equals in class Object
hashCode
public int hashCode()
- Specified by:
hashCode in interface Collection<ServerName>- Specified by:
hashCode in interface Set<ServerName>- Overrides:
hashCode in class Object
toString
public String toString()
- Overrides:
toString in class Object
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.