Package org.apache.accumulo.core.conf

Class ConfigurationCopy

java.lang.Object

org.apache.accumulo.core.conf.AccumuloConfiguration

org.apache.accumulo.core.conf.ConfigurationCopy

All Implemented Interfaces:

Iterable<Map.Entry<String,String>>

public class ConfigurationCopy
extends AccumuloConfiguration

An AccumuloConfiguration which holds a flat copy of properties defined in another configuration

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.accumulo.core.conf.AccumuloConfiguration

AccumuloConfiguration.MatchFilter, AccumuloConfiguration.PrefixFilter, AccumuloConfiguration.PropertyFilter

Constructor Summary

Constructors

Constructor	Description
ConfigurationCopy()	Creates a new empty configuration.
ConfigurationCopy(Iterable<Map.Entry<String,String>> config)	Creates a new configuration.
ConfigurationCopy(Map<String,String> config)	Creates a new configuration.

Method Summary

Modifier and Type	Method	Description
String	get(Property property)	Gets a property value from this configuration.
void	getProperties(Map<String,String> props, com.google.common.base.Predicate<String> filter)	Returns property key/value pairs in this configuration.
long	getUpdateCount()	Each time configuration changes, this counter should increase.
void	set(String key, String value)	Sets a property in this configuration.
void	set(Property prop, String value)	Sets a property in this configuration.

Methods inherited from class org.apache.accumulo.core.conf.AccumuloConfiguration

get, getAllPropertiesWithPrefix, getBoolean, getCount, getDefaultConfiguration, getFraction, getFraction, getMaxFilesPerTablet, getMemoryInBytes, getMemoryInBytes, getPath, getPort, getTableConfiguration, getTimeInMillis, getTimeInMillis, instantiateClassProperty, invalidateCache, iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

ConfigurationCopy

public ConfigurationCopy(Map<String,String> config)

Creates a new configuration.

Parameters:

config - configuration property key/value pairs to copy

ConfigurationCopy

public ConfigurationCopy(Iterable<Map.Entry<String,String>> config)

Creates a new configuration.

Parameters:

config - configuration property iterable to use for copying

ConfigurationCopy

public ConfigurationCopy()

Creates a new empty configuration.

Method Detail

get

public String get(Property property)

Description copied from class: AccumuloConfiguration

Gets a property value from this configuration.

Specified by:

get in class AccumuloConfiguration

Parameters:

property - property to get

Returns:

property value

getProperties

public void getProperties(Map<String,String> props,
                          com.google.common.base.Predicate<String> filter)

Description copied from class: AccumuloConfiguration

Returns property key/value pairs in this configuration. The pairs include those defined in this configuration which pass the given filter, and those supplied from the parent configuration which are not included from here.

Specified by:

getProperties in class AccumuloConfiguration

Parameters:

props - properties object to populate

filter - filter for accepting properties from this configuration

set

public void set(Property prop,
                String value)

Sets a property in this configuration.

Parameters:

prop - property to set

value - property value

set

public void set(String key,
                String value)

Sets a property in this configuration.

Parameters:

key - key of property to set

value - property value

getUpdateCount

public long getUpdateCount()

Description copied from class: AccumuloConfiguration

Each time configuration changes, this counter should increase. Anything that caches information that is derived from configuration can use this method to know when to update.

Overrides:

getUpdateCount in class AccumuloConfiguration