org.apache.solr.search
Class ValueSourceParser

java.lang.Object
  org.apache.solr.search.ValueSourceParser

All Implemented Interfaces:

NamedListInitializedPlugin

Direct Known Subclasses:

GeoDistValueSourceParser

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

static Map<String,ValueSourceParser>

standardValueSourceParsers

Constructor Summary

ValueSourceParser()

Method Summary

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.