org.apache.hadoop.hbase.master
Class DeadServer
java.lang.Object
org.apache.hadoop.hbase.master.DeadServer
- All Implemented Interfaces:
- Iterable<String>, Collection<String>, Set<String>
public class DeadServer
- extends Object
- implements Set<String>
Class to hold dead servers list and utility querying dead server list.
Constructor Summary |
DeadServer(int maxDeadServers)
|
DeadServer
public DeadServer(int maxDeadServers)
isDeadServer
public boolean isDeadServer(String serverName)
- Parameters:
serverName
-
- Returns:
- true if server is dead
cleanPreviousInstance
public boolean cleanPreviousInstance(String 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<String> clone()
- Overrides:
clone
in class Object
add
public boolean add(String e)
- Specified by:
add
in interface Collection<String>
- Specified by:
add
in interface Set<String>
finish
public void finish(String e)
size
public int size()
- Specified by:
size
in interface Collection<String>
- Specified by:
size
in interface Set<String>
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface Collection<String>
- Specified by:
isEmpty
in interface Set<String>
contains
public boolean contains(Object o)
- Specified by:
contains
in interface Collection<String>
- Specified by:
contains
in interface Set<String>
iterator
public Iterator<String> iterator()
- Specified by:
iterator
in interface Iterable<String>
- Specified by:
iterator
in interface Collection<String>
- Specified by:
iterator
in interface Set<String>
toArray
public Object[] toArray()
- Specified by:
toArray
in interface Collection<String>
- Specified by:
toArray
in interface Set<String>
toArray
public <T> T[] toArray(T[] a)
- Specified by:
toArray
in interface Collection<String>
- Specified by:
toArray
in interface Set<String>
remove
public boolean remove(Object o)
- Specified by:
remove
in interface Collection<String>
- Specified by:
remove
in interface Set<String>
containsAll
public boolean containsAll(Collection<?> c)
- Specified by:
containsAll
in interface Collection<String>
- Specified by:
containsAll
in interface Set<String>
addAll
public boolean addAll(Collection<? extends String> c)
- Specified by:
addAll
in interface Collection<String>
- Specified by:
addAll
in interface Set<String>
retainAll
public boolean retainAll(Collection<?> c)
- Specified by:
retainAll
in interface Collection<String>
- Specified by:
retainAll
in interface Set<String>
removeAll
public boolean removeAll(Collection<?> c)
- Specified by:
removeAll
in interface Collection<String>
- Specified by:
removeAll
in interface Set<String>
clear
public void clear()
- Specified by:
clear
in interface Collection<String>
- Specified by:
clear
in interface Set<String>
equals
public boolean equals(Object o)
- Specified by:
equals
in interface Collection<String>
- Specified by:
equals
in interface Set<String>
- Overrides:
equals
in class Object
hashCode
public int hashCode()
- Specified by:
hashCode
in interface Collection<String>
- Specified by:
hashCode
in interface Set<String>
- Overrides:
hashCode
in class Object
toString
public String toString()
- Overrides:
toString
in class Object
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.