Package org.apache.solr.core

Class PluginBag<T>

java.lang.Object

org.apache.solr.core.PluginBag<T>

All Implemented Interfaces:

AutoCloseable

public class PluginBag<T>
extends Object
implements AutoCloseable

This manages the lifecycle of a set of plugin of the same type .

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PluginBag.JaxrsResourceToHandlerMappings	Allows JAX-RS 'filters' to find the requestHandler (if any) associated particular JAX-RS resource classes
class	PluginBag.LazyPluginHolder<T>	A class that loads plugins Lazily.
static class	PluginBag.PluginHolder<T>	An indirect reference to a plugin.

Constructor Summary

Constructors

Constructor	Description
PluginBag(Class<T> klass, SolrCore core)	Constructs a non-threadsafe plugin registry
PluginBag(Class<T> klass, SolrCore core, boolean needThreadSafety)	Pass needThreadSafety=true if plugins can be added and removed concurrently with lookups.

Method Summary

Modifier and Type	Method	Description
Set<String>	checkContains(Collection<String> names)	Check if any of the mentioned names are missing.
void	close()	Close this registry.
static void	closeQuietly(Object inst)
boolean	contains(String name)
PluginBag.PluginHolder<T>	createPlugin(PluginInfo info)
T	get(String name)	Get a plugin by name.
T	get(String name, boolean useDefault)	Fetches a plugin by name , or the default
ApiBag	getApiBag()
PluginBag.JaxrsResourceToHandlerMappings	getJaxrsRegistry()
org.glassfish.jersey.server.ResourceConfig	getJerseyEndpoints()
Map<String,PluginBag.PluginHolder<T>>	getRegistry()
static void	initInstance(Object inst, PluginInfo info)
boolean	isLoaded(String name)	To check if a plugin by a specified name is already loaded
Set<String>	keySet()
PluginBag.PluginHolder<T>	put(String name, PluginBag.PluginHolder<T> plugin)
T	put(String name, T plugin)	register a plugin by a name
Api	v2lookup(String path, String method, Map<String,String> parts)

Methods inherited from class java.lang.Object

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

Constructor Details

PluginBag

public PluginBag(Class<T> klass,
 SolrCore core,
 boolean needThreadSafety)

Pass needThreadSafety=true if plugins can be added and removed concurrently with lookups.

PluginBag

public PluginBag(Class<T> klass,
 SolrCore core)

Constructs a non-threadsafe plugin registry

Method Details

getJaxrsRegistry

public PluginBag.JaxrsResourceToHandlerMappings getJaxrsRegistry()

initInstance

public static void initInstance(Object inst,
 PluginInfo info)

checkContains

public Set<String> checkContains(Collection<String> names)

Check if any of the mentioned names are missing. If yes, return the Set of missing names

createPlugin

public PluginBag.PluginHolder<T> createPlugin(PluginInfo info)

get

public T get(String name)

Get a plugin by name. If the plugin is not already instantiated, it is done here

get

public T get(String name,
 boolean useDefault)

Fetches a plugin by name , or the default

Parameters:

name - name using which it is registered

useDefault - Return the default , if a plugin by that name does not exist

keySet

public Set<String> keySet()

put

public T put(String name,
 T plugin)

register a plugin by a name

put

public PluginBag.PluginHolder<T> put(String name,
 PluginBag.PluginHolder<T> plugin)

getRegistry

public Map<String,PluginBag.PluginHolder<T>> getRegistry()

contains

public boolean contains(String name)

isLoaded

public boolean isLoaded(String name)

To check if a plugin by a specified name is already loaded

close

public void close()

Close this registry. This will in turn call a close on all the contained plugins

Specified by:

close in interface AutoCloseable

closeQuietly

public static void closeQuietly(Object inst)

v2lookup

public Api v2lookup(String path,
 String method,
 Map<String,String> parts)

getApiBag

public ApiBag getApiBag()

getJerseyEndpoints

public org.glassfish.jersey.server.ResourceConfig getJerseyEndpoints()