net.sf.basedb.core.query
Enum QuerySection

java.lang.Object
  java.lang.Enum<QuerySection>
      net.sf.basedb.core.query.QuerySection

All Implemented Interfaces:

Serializable, Comparable<QuerySection>

public enum QuerySection
extends Enum<QuerySection>

Indicates which part of a query that is currently beeing built.

Version:

2.0

Author:

nicklas

See Also:

Query.getQuerySection()

Last modified

$Date: 2008-09-11 22:09:17 +0200 (Thu, 11 Sep 2008) $

Enum Constant Summary

FROM

GROUPBY

HAVING

JOIN

ORDERBY

SELECT

WHERE

Method Summary

abstract boolean	supportsColumnAlias(DbEngine engine) If the current database supports column aliases in that part of the query.
static QuerySection	valueOf(String name) Returns the enum constant of this type with the specified name.
static QuerySection[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

SELECT

public static final QuerySection SELECT

FROM

public static final QuerySection FROM

JOIN

public static final QuerySection JOIN

WHERE

public static final QuerySection WHERE

GROUPBY

public static final QuerySection GROUPBY

HAVING

public static final QuerySection HAVING

ORDERBY

public static final QuerySection ORDERBY

Method Detail

values

public static QuerySection[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (QuerySection c : QuerySection.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static QuerySection valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

supportsColumnAlias

public abstract boolean supportsColumnAlias(DbEngine engine)

If the current database supports column aliases in that part of the query.

Parameters:

engine -

Returns:

TRUE if column alias is supported, FALSE otherwise.