org.apache.solr.search

Class ValueSourceParser

java.lang.Object

org.apache.solr.search.ValueSourceParser

All Implemented Interfaces:

NamedListInitializedPlugin

public abstract class ValueSourceParser
extends Object
implements NamedListInitializedPlugin

A factory that parses user queries to generate ValueSource instances. Intended usage is to create pluggable, named functions for use in function queries.

Field Summary

Fields

Modifier and Type	Field and Description
static Map<String,ValueSourceParser>	standardValueSourceParsers

Constructor Summary

Constructors

Constructor and Description
ValueSourceParser()

Method Summary

Methods

Modifier and Type	Method and Description
static ValueSourceParser	addParser(org.apache.solr.search.NamedParser p) Adds a new parser for the name and returns any existing one that was overriden.
static ValueSourceParser	addParser(String name, ValueSourceParser p) Adds a new parser for the name and returns any existing one that was overriden.
void	init(NamedList args) Initialize the plugin.
abstract ValueSource	parse(FunctionQParser fp) Parse the user input into a ValueSource.

Methods inherited from class java.lang.Object

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

Field Detail

standardValueSourceParsers

public static Map<String,ValueSourceParser> standardValueSourceParsers

Constructor Detail

ValueSourceParser

public ValueSourceParser()

Method Detail

init

public void init(NamedList args)

Initialize the plugin.

Specified by:

init in interface NamedListInitializedPlugin

parse

public abstract ValueSource parse(FunctionQParser fp)
                           throws SyntaxError

Parse the user input into a ValueSource.

Throws:

SyntaxError

addParser

public static ValueSourceParser addParser(String name,
                          ValueSourceParser p)

Adds a new parser for the name and returns any existing one that was overriden. This is not thread safe.

addParser

public static ValueSourceParser addParser(org.apache.solr.search.NamedParser p)

Adds a new parser for the name and returns any existing one that was overriden. This is not thread safe.