org.wandora.query2

Class Variant

java.lang.Object

org.wandora.query2.Directive

org.wandora.query2.Variant

All Implemented Interfaces:

DirectiveUIHints.Provider

public class Variant
extends Directive
implements DirectiveUIHints.Provider

Author:

olli

Field Summary

Fields

Modifier and Type	Field and Description
private TopicOperand	lang
private TopicOperand	type

Fields inherited from class org.wandora.query2.Directive

DEFAULT_COL, DEFAULT_NS

Constructor Summary

Constructors

Constructor and Description
Variant()
Variant(java.lang.Object type)
Variant(java.lang.Object type, java.lang.Object lang)

Method Summary

Modifier and Type	Method and Description
void	endQuery(QueryContext context) Signals end of query and performs any cleanup that may be needed.
DirectiveUIHints	getUIHints()
ResultIterator	queryIterator(QueryContext context, ResultRow input) You must call startQuery before calling this and endQuery after you are done with the result iterator.
boolean	startQuery(QueryContext context) Prepares the query for execution.

Methods inherited from class org.wandora.query2.Directive

as, as, debugString, debugString, debugStringInner, debugStringInner, debugStringInner, debugStringParams, debugStringParams, doQuery, from, from, from, from, from, from, from, from, from, from, getStandardAddonHints, getStandardAddonHints, isStatic, join, main, of, query, to, to, to, to, to, where, where

Methods inherited from class java.lang.Object

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

Field Detail

lang

private TopicOperand lang

type

private TopicOperand type

Constructor Detail

Variant

public Variant()

Variant

public Variant(java.lang.Object type)

Variant

public Variant(java.lang.Object type,
               java.lang.Object lang)

Method Detail

getUIHints

public DirectiveUIHints getUIHints()

Specified by:

getUIHints in interface DirectiveUIHints.Provider

startQuery

public boolean startQuery(QueryContext context)
                   throws QueryException

Description copied from class: Directive

Prepares the query for execution. Extending classes must propagate the call to any contained queries.

Overrides:

startQuery in class Directive

Throws:

QueryException

endQuery

public void endQuery(QueryContext context)
              throws QueryException

Description copied from class: Directive

Signals end of query and performs any cleanup that may be needed. Extending classes must propagate the call to any contained queries.

Overrides:

endQuery in class Directive

Throws:

QueryException

queryIterator

public ResultIterator queryIterator(QueryContext context,
                                    ResultRow input)
                             throws QueryException

Description copied from class: Directive

You must call startQuery before calling this and endQuery after you are done with the result iterator. You should also call dispose of the result iterator when you're done.

Overrides:

queryIterator in class Directive

Throws:

QueryException