org.datanucleus.query
Class JDOQLQueryHelper

java.lang.Object
  org.datanucleus.query.JDOQLQueryHelper

public class JDOQLQueryHelper
extends java.lang.Object

JDOQL query helper class providing key information about the language etc.

Field Summary

static java.lang.String[]	SINGLE_STRING_KEYWORDS Keywords used in single-string JDOQL.
static java.lang.String[]	SINGLE_STRING_KEYWORDS_LOWERCASE Keywords in lowercase (we avoid calling toLowerCase() multiple times, which is expensive operation)

Constructor Summary

JDOQLQueryHelper()

Method Summary

static boolean

isKeyword(java.lang.String name) Convenience method returning if the supplied name is a keyword for this query language.

Methods inherited from class java.lang.Object

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

Field Detail

SINGLE_STRING_KEYWORDS

public static final java.lang.String[] SINGLE_STRING_KEYWORDS

Keywords used in single-string JDOQL. Uppercase variants specified here, but we allow the lowercase form.

SINGLE_STRING_KEYWORDS_LOWERCASE

public static final java.lang.String[] SINGLE_STRING_KEYWORDS_LOWERCASE

Keywords in lowercase (we avoid calling toLowerCase() multiple times, which is expensive operation)

Constructor Detail

JDOQLQueryHelper

public JDOQLQueryHelper()

Method Detail

isKeyword

public static boolean isKeyword(java.lang.String name)

Convenience method returning if the supplied name is a keyword for this query language.

Parameters:

name - Name to check

Returns:

Whether it is a keyword