public abstract class ReconfigurableBase extends Configured implements Reconfigurable
Constructor and Description |
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ReconfigurableBase()
Construct a ReconfigurableBase.
|
ReconfigurableBase(Configuration conf)
Construct a ReconfigurableBase with the
Configuration
conf. |
Modifier and Type | Method and Description |
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abstract Collection<String> |
getReconfigurableProperties()
Return all the properties that can be changed at run time.
|
boolean |
isPropertyReconfigurable(String property)
Return whether a given property is changeable at run time.
|
String |
reconfigureProperty(String property,
String newVal)
Change a configuration property on this object to the value specified.
|
protected abstract void |
reconfigurePropertyImpl(String property,
String newVal)
Change a configuration property.
|
getConf, setConf
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getConf, setConf
public ReconfigurableBase()
public ReconfigurableBase(Configuration conf)
Configuration
conf.public final String reconfigureProperty(String property, String newVal) throws ReconfigurationException
ReconfigurationException
.
This method makes the change to this objects Configuration
and calls reconfigurePropertyImpl to update internal data structures.
This method cannot be overridden, subclasses should instead override
reconfigureProperty.reconfigureProperty
in interface Reconfigurable
ReconfigurationException
public abstract Collection<String> getReconfigurableProperties()
getReconfigurableProperties
in interface Reconfigurable
public boolean isPropertyReconfigurable(String property)
isPropertyReconfigurable
in interface Reconfigurable
protected abstract void reconfigurePropertyImpl(String property, String newVal) throws ReconfigurationException
ReconfigurationException
Copyright © 2013 Apache Software Foundation. All Rights Reserved.