org.apache.drill.exec.planner.logical

Class StoragePlugins

java.lang.Object

org.apache.drill.exec.planner.logical.StoragePlugins

All Implemented Interfaces:

Iterable<Map.Entry<String,StoragePluginConfig>>

public class StoragePlugins
extends Object
implements Iterable<Map.Entry<String,StoragePluginConfig>>

Map of storage plugin *configurations* indexed by name. Does not hold the storage plugin *connector* itself.

This class is serialized to JSON and represents the set of storage plugin configurations visible to Drill.

Constructor Summary

Constructors

Constructor and Description
StoragePlugins()
StoragePlugins(Map<String,StoragePluginConfig> storage)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
StoragePluginConfig	getConfig(String pluginName) Return storage plugin config for certain plugin name
Map<String,StoragePluginConfig>	getStorage()
int	hashCode()
boolean	isEmpty()
Iterator<Map.Entry<String,StoragePluginConfig>>	iterator()
void	put(String name, StoragePluginConfig config) Put one plugin into current storage plugins map
void	putAll(StoragePlugins plugins) Put other storage plugins into current storage plugins map
StoragePluginConfig	putIfAbsent(String name, StoragePluginConfig config) Put one plugin into current storage plugins map, if it was absent
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

StoragePlugins

public StoragePlugins(Map<String,StoragePluginConfig> storage)

StoragePlugins

public StoragePlugins()

Method Detail

getStorage

public Map<String,StoragePluginConfig> getStorage()

toString

public String toString()

Overrides:

toString in class Object

iterator

public Iterator<Map.Entry<String,StoragePluginConfig>> iterator()

Specified by:

iterator in interface Iterable<Map.Entry<String,StoragePluginConfig>>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

put

public void put(String name,
                StoragePluginConfig config)

Put one plugin into current storage plugins map

Parameters:

name - storage plugin name

config - storage plugin config

putAll

public void putAll(StoragePlugins plugins)

Put other storage plugins into current storage plugins map

Parameters:

plugins - storage plugins

putIfAbsent

public StoragePluginConfig putIfAbsent(String name,
                                       StoragePluginConfig config)

Put one plugin into current storage plugins map, if it was absent

Parameters:

name - storage plugin name

config - storage plugin config

Returns:

the previous storage plugin config, null if it was absent or it had null value

getConfig

public StoragePluginConfig getConfig(String pluginName)

Return storage plugin config for certain plugin name

Parameters:

pluginName - storage plugin name

Returns:

storage plugin config

isEmpty

public boolean isEmpty()