edu.stanford.nlp.ling

Class AnnotationLookup

java.lang.Object

edu.stanford.nlp.ling.AnnotationLookup

public class AnnotationLookup
extends java.lang.Object

Provides a mapping between CoreAnnotation keys, which are classes, and a text String that names them, which is needed for things like text serializations and the Semgrex query language.

Author:

Anna Rafferty

Method Summary

Modifier and Type	Method and Description
static java.lang.Class<?>	getValueType(java.lang.Class<? extends CoreAnnotation<?>> key) Returns the runtime value type associated with the given key.
static java.lang.Class<? extends CoreAnnotation<?>>	toCoreKey(java.lang.String stringKey) Returns a CoreAnnotation class key for the given string key if one exists; null otherwise.

Methods inherited from class java.lang.Object

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

Method Detail

toCoreKey

public static java.lang.Class<? extends CoreAnnotation<?>> toCoreKey(java.lang.String stringKey)

Returns a CoreAnnotation class key for the given string key if one exists; null otherwise.

Parameters:

stringKey - String form of the key

Returns:

A CoreLabel/CoreAnnotation key, or null if nothing matches

getValueType

public static java.lang.Class<?> getValueType(java.lang.Class<? extends CoreAnnotation<?>> key)

Returns the runtime value type associated with the given key. Caches results in a private Map.

Parameters:

key - The annotation key (non-null)

Returns:

The type of the value of that key (non-null)